■MlY Td^^H- VimiSITV OF C/tUT' LIBRARY 0»T« COPY t THE RESOURCES AGENCY OF CALIFORNIA Department of Wa ter Resources BULLETIN No. Ill SACRAMENTO RIVER WATER POLLUTION SURVEY APPENDIX B WATER QUALITY AUGUST 1962 UNIVERSITY OF CALIFORNIA DAVIS FEB 2 5 1-- ^. LIBRARY_ EDMUND G. BROWN Governor State of California WILLIAM E. WARNE Adm/niitrofor The Resources Agency of California and Director Department of Water Resources state of California THE RESOURCES AGENCY OF CALIFORNIA Department of Water Resources BULLETIN No. Ill SACRAMENTO RIVER WATER POLLUTION SURVEY APPENDIX B WATER OUALITY AUGUST 1962 EDMUND G. BROWN Governor State of California LITERARY ce,i»ab!»4T.Y OK CALiFORNDT DAVa WILLIAM E. WARNE Ac/m/n/'sfrafor The Resources Agency of California and Director Department of Water Resources TABLE OF CONTETJTS Page ORGANIZATION, DEPAETMELIT OF WATER RESOURCES X ORGANIZATION, CALIFORNIA WATER COMMISSION xi CHAPTER I. INTRODUCTION 1 Objectives and Scope of Investigation 1 Data Collection Programs 1 Monthly Monitoring Program 2 Daily Sampling Program k Continuous Recorders 6 Intensive Fo\ir-Day Sampling Surveys 8 Agricultural Drainage Sampling Program 9 Miscellaneous Sampling Programs 10 Related Investigations and Reports 11 CHAPTER II. FIELD MTD LABORATORY PROCEDURES 1? Field Procedures , 17 Sampling for Physical and Chemical AneuLyses 19 Storage and Transportation of Samples 19 Laboratory Procedures . o 20 Physical Analyses 22 Chemical Analyses 22 CHAPTER III. WATER QUALITY CRITERIA 27 General Criteria 27 Domestic and M\inicipal Water Supply 27 Criteria for Irrigation Water 31 -1- Page Industrial Water Supply 32 Preservation and Protection of Fish and Wildlife 32 Specific Criteria 33 Policy of the Central Valley Regional Water Pollution Control Board (No. 5) 33 Recommendations by Bosird of Consiiltants 35 Contract Between the State of California and the Metropolitan Water District 3^ CHAPTER IV. PHYSICAL AND CHEMICAL CHARACTERISTICS ... 39 Temperature 39 pH ^6 Suspended Solids ^7 Turbidity and Water Transparency ^9 Color 53 Odor 55 Specific Conductance and Dissolved Solids 5^ Relationship of Specific Conductance to Flow 6l Relationship of Specific Conductance to Dissolved Constituents • 6l Hardness 7^ Major Cations 76 Major Anions 79 Minor Constituents 8l Fluoride 8l Silica 84 Boron 84 Phosphate 84 Nitrogen ......... 84 -11- Page Heavy Metals 86 Detergents 88 MisceHaneous Orgajiic Materials 89 CHAPTER V. OXYGEN RELATIONSHIPS 91 Sources of Pollution 91 Miinicipal Wastes 91 Industrial Wastes 93 Irrigation Drainage 95 Tributaries 96 Dissolved Oxygen 97 Longitudinal Variations 97 Diurnal Variations 100 Nighttime Increases HI Significance of Random Diurnal Variations Ill BiochemiceQ. Oxygen Demand 112 Rate of BOD Exertion 115 Chemical Oxygen Demand 121 Characterization of Oxygen Relationships 121 Streeter-Phelps Method 121 Multiple Linear Correlation Method 125 Photosynthesis-Respiration Relationships I30 Rates 135 Future Work 1^*3 CHAPTER VI. ASPECTS OF WATER QUALITY MAIIAGEMENT . . . . IU5 Conservative Constituents in the Sacramento River li+5 Basic Data l^^ -111- Page Flow-Mineral Concentration Relationships 1^4-6 Quantitative Results ikS Adequacy of Basic Data 152 Monitoring for Conservative Constituents I56 Nonconservative Constituents in the Sacramento River 158 CHAPTER VII. SUMMARY I6I CHAPTER VIII. RECOMMEiroATIONS I65 LIST OF TABLES Table Title 1 Locations and Periods of Records of Daily Sampling Stations . 5 2 Locations of Conductivity Recorders 7 3 Intensive Sampling Surveys ... 9 k Locations of Major Agric\iltiiral Drains 10 5 Limiting Concentrations of Chemical Constituents for DrinJ^ing Water « 28 6 Upper Limits of Total Solids and Selected Minerals in Drinking Water as Delivered to the Consumer 29 7 Hardness Classification of Waters 30 8 Qualitative Classification of Irrigation Waters 31 9 Water Quality Limits for Export at Points of Diversion at Southern Boundary of Sacramento-San Joaquin Delta ... 36 10 Water Quality Objectives for the Metropolitan Water District of Southern California 37 11 Average Monthly Temperatures of Sacramento River, i960 ... kO 12 Diurnal Temperature Variations in Sacramento River k3 13 pH in Sacramento River and Tributaries h6 Ik Suspended Solids in Sacramento River, I96O-61 if7 15 Turbidity in Tributaries to Sacramento River, I96O-61 .... 5I -iv- Page Table Title 16 Color in Sacramento River and Tributaries, I96O-61 55 17 Hardness in Sacramento River and Tributaries, I96O-61 .... j6 18 Major Cations in Sacramento River and Tributaries, 1960-61 78 19 Major Anions in Sacramento River and Tributaries, 1960-61 ..... 80 20 Heavy Metals in the Upper Sacramento River and in Spring Creek 87 21 Concentrations of ABS in Waste Discharges to Sacramento River, I960-61 88 22 BOD Loadings from Municipal Sewage Treatment Plants Discharging to Sacramento River, I96O-61 92 23 BOD in Irrigation Retirms to Sacramento River, I96O-61 ... 96 2k Dissolved Oxygen, BOD, and Temperature in Feather and American Rivers, I96O-61 97 25 Observed Tides in Sacramento River During Intensive Surveys, I96O 102 26 Characterization of Shapes of Diurnal Oxygen Curves 110 27 5-Day Biochemical Oxygen Demand in Sacramento River and V/aste Discharges Below Sacramento II6 28 Long-Term Biochemical Oxygen Demand Analyses 117 29 Ratios of Ultimate Carbonaceous Demand to 5-Day BOD 11.8 30 Rates of BOD Exertion in the Sacramento River Below Sacramento 120 31 Summary of Computations by Streeter-Phelps Method I23 32 Multiple Linear Correlation of Oxygen Relationships, Temperature, and Discharge 127 33 Comparison of Computed and Observed Dissolved Oxygen Drop . . 128 3^ Comparison of Computed and Observed BOD Loading 129 35 Physical Parameters, Coefficients of Atmospheric Diffusion, and Rates of Diffusion, Photosynthesis, and Respiration I36 -V- Page Table Title 36 Effects of Rice Irrigation Upon Oxygen Relationships .... I38 37 Total Diffusion, Photosynthesis, and Respiration 1^+2 38 Flow and Mineral Accretions to Sacramento River, i960 .... 150 39 Mean Dissolved Mineral Concentrations in Sacramento River, I960 153 kO Short TeiTii Variations in Mineral Quality in Sacramento River 155 Ul Recommended Water Quality Monitoring Program for the Sacramento River 160 Liar or figures Figure Title 1 Comparison of Field and Laboratory Determinations of Dissolved Oxygen Concentrations ... I8 2 Effect of Storage on Nitrate Concentrations 21 3 Temperatures in Sacramento River, I96O-61 l+l k Suspended Solids in Sacramento River, I96O-61 k8 5 Turbidity in Sacramento River, I95I-6I 50 6 Turbidity in Sacramento River, I96O-6I .... 52 7 Relationship of Turbidity and Transparency in Sacramento River 5^ 8 Specific Conductance in Sacramento River, I95I-6I 57 9 Specific Conductance in Sacramento River, I96O-6I 58 10 Total Dissolved Solids in Sacramento River, 196O-61 .... 59 11 Correlation of Flow and Specific Conductance 62 12 Correlation of Specific Conductance and Total Dissolved Solids by Residue ... 63 13 Correlation of Specific Conductance and Total Dissolved Solids lay S\;im of Major Ions 6k lU Correlation of Specific Conductance axid Hardness 66 -VI- Page Figure Title 15 Correlation of Specific Conductance and Bicarbonate .... 67 16 Correlation of Specific Conductance and Sulfate 68 17 Correlation of Specific Conductance and Chloride 69 18 Correlation of Specific Conductance and Calciiim 70 19 Correlation of Specific Conductance and Magnesium 71 20 Correlation of Specific Conductance and Sodium , 72 21 Changes in Character of Sacramento River Water 73 22 Total Hardness in Sacramento River, I96O-61 75 23 Percent Sodium in Sacramento River, 196O-61 77 2k Bicarbonate in Sacramento River, I96O-61 82 25 Chloride in Sacramento River, I96O-6I ..... 83 26 Diurnal Variations in BOD Loadings Discharged by Sevage Treatment Plants 9^ 27 Average Temperature and Dissolved Oxygen in the Sacramento River, Late Spring to Fall 99 28 Slack Water Profiles of Dissolved Oxygen Below Sacramento 101 29 Diurnal Variations of Dissolved Oxygen in Sacramento River 103 30 Biochemical Oxygen Demand in Sacramento River, I96O-6I . . . 113 31 Average Biochemical Oxygen Demand in Sacramento River, Late Spring to Fall 11^+ 32 Self-Purification Capacity of Sacramento River Below Sacramento Based on Multiple Linear Correlation Method 131 33 Determination of Atmospheric Diffusion, Photosynthesis, and Respiration 133 3^ Dissolved Oxygen, Photosynthesis and Respiration in the Sacramento River above Sacramento 137 35 Dissolved Oxygen, Photosynthesis, Respiration and Net Diffusion in the Sacramento River Below Sacramento . . . IMD -Vll- Page Figure Title 36 Average Flows eind Tons of Salt Tributary to Sacramento River," i960 IU9 BASIC DATA TABLES AND FIGURES Table Title T- 1 Resiilts of Analyses, Monthly Sampling Program T- 3 T- 2 Resiilts of Analyses, Daily Sampling Program Sacramento River at Bend, Mile 256.3 T- 53 T- 3 Results of Analyses, Daily Sampling Prograjn Sacramento River at Butte City, Mile l68.2 T- 57 T- k Results of Analyses, Daily Sampling Program Sacramento River at Boyers Pumphouse, Mile 111,6 T- 62 T- 5 Res\£Lts of Analyses, Daily Sampling Program Sacramento River at Bryte, Mile 62.6 , T- 66 T- 6 Results of Analyses, Daily Sampling Program Sacramento River at Freeport, Mile ^4-6.^ T- 7I T- 7 Results of Analyses, Daily Sampling Program Wilkins Slough at Point of Diversion, Mile II8.IR .... T- 75 T- 8 Results of Analyses, Daily Sampling Program Reclamation District IO8, Mile 100. IR Drainage to Sacramento River ........ T- 77 T- 9 Results of Analyses, Upper Reach Intensive Sampling Program, June 6 - 10, i960 T- 82 T-10 Res\ilts of Analyses, Upper Reach Intensive Sampling Program, October 3-7, i960 T- 88 T-11 Results of Analyses, Middle Reach Intensive Sampling Program, September 12 - 16, i960 T- 95 T-12 Results of Analyses, Middle Reach Intensive Sampling Program, May 8-12, 1961 1-lOh T-I3 Res\ilts of Analyses, Lower Reach Intensive Sampling Program, June 20 - 2k, i960 T-111 T-li+ Results of Analyses, Lower Reach Intensive Sampling Program, August 29 - September 2, i960 T-12U -Vlll- Page Table Title T-I5 Results of Analyses, Lower Reach Intensive Sampling Program, October 2l+ - 28, i960 T-139 T-I6 Results of Analyses - Sacramento River, I96O-I961 T-153 T-I7 Quality Cross-Sections, Sacramento River, I96O-I961 T-159 T-I8 Results of Analyses - Tributaries of Sacramento River, I96O-I961 T-I65 T-I9 Results of Analyses - Wastes Discharged to Sacramento River, I96O-I96I .... T-I67 T-20 Results of Analyses - Agricultural Drains, I96O-I961 .... T-I70 Figure T- 1 Specific Conductajice in Sacramento River l-ljk LIST OF PLATES (Plates are bound at end of Appendix.) Plate 1. Sampling Program and Area of Investigation -IX- STATE OF CALIFORNIA THE RESOURCES AGENCY OF CALIFORNIA DEPARTMENT OF WATER RESOURCES EDMUND G. BROWN, Governor WILLIAM E. WARNE, Administrator, The Reso\Jxces Agency of California and Director, Department of Water Resources ALFRED R. GOLZE, Chief Engineer DIVISION OF RESOURCES FLAMING William L. Berry Division Engineer Wesley E. Steiner Chief, Planning Management Branch DET/TA BRANCH Carl A. Werner Branch Chief Willard. R. Slater Chief, Special Investigations Section This appendix was written by Charles G. Gunnerson Senior Engineer assisted by Thomas E. Bailey Assistant Civil Engineer Richard M. Daum Engineering Associate Richard W. Kretsinger Associate Engineer William J. McCune Assistant Civil Engineer William B. Mitchell, Jr Associate Engineer John M. Richardson Assistant Civil Engineer Harley R. Woodworth Associate Engineer Robert G. Wright Assistant Civil Engineer -X- CALIFORNIA WATER COMMISSICW RALPH M. BRODY, Chairman, Fresno WILLIAM H. JENNINGS, Vice Chairman, La Mesa JOHN W. BRYANT, Riverside JOHN P. BUNKER, Gustine IRA J. CHRISMAN, Visalia GEORGE FLEHARTY, Fresno JOHN J. KING, Petaluma NORRIS POULSOJ, Los Angeles MARION R. WALKER, Ventura WILLIAM M. CARAH Executive Secretary GEORGE B. GLEASON Principal Engineer -XL- CHAPTER I. INTRODUCTION Objectives and Scope of Investigation The principal objective of the Sacramento River Water Pollution Sxirvey is to satisfy the req.ulrements of the various agencies responsi- ble for or interested in the field of water queility by establishing a comprehensive knowledge of the many interrelated variables which influ- ence water quality in the Sacramento River. The survey was planned to provide the information necessary to establish suitable guides for use in maintaining adequate levels of water quality in the Sacramento River. To implement the general objective stated above, the investi- gation provided for determination of: 1. Present base-line water quaJ.ity conditions in the Sacramento River from Shasta Dam to Mayberry Slough. 2. Detailed information on present sources of degradation and their influence on water qusJ-ity. 3. A contintiing water quality monitoring program. h. Recommendations for future studies ajid for quality management practices which would maintain optimum water quality in the Sacramento River. Data Collection Programs Field programs were conducted during the period April I960 through June I96I to provide data on physiceG. conditions, chemical quality, oxygen relationships, ajid the effect of tributaries and waste discharges on these characteristics . A number of preliminary water quality studies were made through- out the length of the river in order to establish the type and frequency -1- of sampling programs. Cross sections were made to insure that sanrpling stations adeqimtely represented the flow in the river. This appendix describes the various physical and chemiceLL charac- teristics of water in the Sacramento River and how this queuLity is changed by tributaory flows and waste discharges. Oxygen relationships are devel- oped in detail. Basic data are listed in tables at the end of the appendix, T-1 throi;igh T-17, inclusive. Plate 1 shows the locations of sampling stations occupied dxiring the various sampling programs. Descriptions of daily euid monthly stations from the department's surface water quality monitoring program are included in the Bulletin No. 65 series, "Quality of Surface Waters in California". Stations established for the Sacramento River Water Pollution Survey are identified by mileages from the confluence of the Sacramento and San Joaquin Rivers. Stations on tributary streams are identified by river mile at the confluence ajad by mileage on the tributary. For example, the designa- tion 302.3RI.O for the Spring Creek station meauis that the creek was sam- pled 1.0 miles upstream from its right bank confluence with the river at mile 302. 3. All stations were sampled in the main thread of the stream from either a boat or a bridge; detailed station descriptions are in Appendix D. Monthly Monitoring Program . Since 1951, the department's state- wide Surface Water Qviality Monitoring Program has included eight stations on the Sacramento River and 12 stations on tributaries near their conflu- ence with the river. Twenty-two temporeiry monthly sampling stations were established between Shasta Dam and Mayberry Slough. These included seven of the Sur- face Water Quality Monitoring Program's monthly stations so that biweekly -2- data were obtained. Additional sainpling stations were also located on three tributary streams, tbree major agricultural drains and six waste discharges. Monthly sampling stations on the Sacramento River were located upstream from significant tributaries and waste discharges with enough intermediate stations to provide a maximum distance between stations of 27.6 river miles. Above the City of Sacramento, stations were located at bridge crossings wherever possible; otherwise, samples were collected from a boat. The lower reach below Sacramento was sampled exclusively by boat. In addition to the normal sampling from the main thread of the stream, additional samples were taJcen at quajrter points at Rio Vista (mile 12.8) and above Mayberry Slough (mile 4.0) where the river widens. Physical sind chemical cheuracteristics were determined as out- lined in Chapter II of this appendix. Laboratory analyses were made at the department's facility at Bryte, near the City of Sacramento. Concen- trations of heavy metals were determined monthly at all stations from the uppermost stations above Spring Creek (mile 305 •?) to the station at Bend Bridge (mile 256.3). Downstream from Bend Bridge, samples for heavy metals analysis were collected from alternate stations on alternate months . Tributary sampling stations were established near the mouths of Spring Creek, Butte Slough, Colusa Basin Drain, Sacramento Slough, Feather River, and American River. To evalxiate the effects of acid mine wastes draining into Spring Creek, monthly samples from this stream (mile 302.R1.0) were analyzed for heavy metals. Samples were collected for chemical analysis for 10 of the 15 months of the field survey. -3- The monthly waste discharge sanipling program included the Redding, Red Bluff, West Sacramento, and Sacramento sewage treatment plants, American Crystal Sugar Conipany at Clarksbvirg, and Redbank Creek which receives waste waters from Diamond National Corporation. Waste water discharges were sampled on the day preceding river sampling in the affected reaches. The sanitary features of waste discharges are discussed in Part 3, Appendix A, "Water Utilization", and in Appendix C, "Public Health Aspects". Samples from the four sewage treatment plants and the American Crystal Sxjgar Company were collected hourly by plant personnel. On the day following collection, the samples were composited by flow and delivered to the department's laboratory. Generally, samples from the Redding and Red Bliiff plants were collected on Mondays and samples from West Sacramento and Sacramento sewage treatment plants were collected on Wednesdays. Samples from American Crystal Sugar Company were composited on an equal- volume basis . At the Sacramento sewage treatment plant and the American Crystal Sugar Company, samples were collected over a 24-hour period. Samples were collected from 8 a.m. to 7 p.m. at Redding, 8 a.m. to h p.m. at Red Bliiff, a^id 6 a.m. to 10 p.m. at West Sacramento. Daily Sampling Program . Under a cooperative agreement between the Department of Water Resources and the United States Geological Survey, four daily sampling stations on the Sacramento River and one each on the Feather and American Rivers had previously been established. Three suidi- tional stations were established for the present survey. Table 1 lists the locations and the periods of record of the daily stations: -1+- Table 1 LOCATIONS AND PERIODS OF RECORD OF DAILY SAMPLING STATIONS Location River Mile Period of Record . Agency Sacramento River at Bend Bridge 256.3 Sacramento River at Butte City Bridge l68.2 Diversion from Sacramento River to Reclamation District No. I08 II8.IR Sacramento River at Boyer's Pump 111.6 Irrigation Drain, Reclamation District No. IO8 100. IR Sacramento River at Knights Lajiding 90.I Feather River at Nicolaus 79.9L/9.8 Sacramento River at Bryte 62.6 American River at Fair Oaits 6o.4l/20.3 Sacramento River at Sacramento 59*2 Sacramento River at Freeport h6.k 5/55 - present USGS-EWR 5/55 - present USGS-EWR 4/15/60 - 9/16/60 EWR* 6/1/60 - present USGS-EWR V15/60 - 12/31/60 DWR* USGS-EWR USGS 3/51 - 6/1/60 3/51 - present V19/60 - present EWR" 3/51 - present USGS 5/51 - 6/1/60 USGS-DTO 6/1/60 - present USGS-EWR * Established for Sacramento River Water Pollution S\irvey. Visual inspection and cross sections of qiiality in the Sacramento River at Knights Landing and Sacramento indicated that grab samples col- lected at these stations were probably not representative because of in- cosoplete mixing of upstream tributaries. Therefore, these stations were discontinued and replaced by stations Boyer's Purap and at Freeport. Under this program, samples were collected by private contrac- tors for the United States Geological Svirvey. Samples were collected from bridges at each of the stations except at Boyer's Pump and Biyte which were obtained on the right bank from a pump platform and a floating boat dock, respectively. -5- Samples collected under the USGS-DWR cooperative daily station programs were analyzed at the USGS Sacramento laboratory. Daily samples collected specifically for the Sacramento River Survey were analyzed at the department's laboratory. Conductivity was determined for each daily sample and mineral analyses were made on composites of daily samples. In general, samples collected at the cooperative stations and at Bryte were composited with equal volumes of no more than ten daily samples, and of fewer samples where specific conductance of individual samples varied by more than 15 percent. Samples from the supply to and the irrigation drainage from Reclamation District No. 108 were composited on the basis of the specific conductance of the daily samples. Mineral aiialyses were made on single daily sanrples and on composites containing as mamy as 15 daily samples. Continuous Recorders . Table 2 lists the locations and periods of record of continuous conductivity recorders on the river and on the Colusa Basin Drain and the Feather River. -6- Table 2 LOCATIONS OF CONDUCTIVITY RECORDERS Location River Mile . Period of Record Sacramento River at Red Blxiff Sacramento River at Colusa Sacramento River above Colusa Basin Drain Colusa Basin Drain near Mauth Feather River near Mouth Sacramento River at Sacramento Weir Sacramento River at Freeport Sacramento River at Walnut Grove 2U4.1 1+/1V60 ■ ■ 6/30/61 lUl^.l 8/26/60 . - 6/30/61 90.5 h/ T/60 . - 6/30/61 90.2R/0.3 k/ 5/60 . ■ 6/30/61 79.9L/5.8 3/22/61 . - 6/30/61 63.6 h/12/60 . . 6/30/61 k6.k 3/22/60 . ■ 6/30/61 26.9 12/ 2/60 ■ - 6/30/61 The recorders at Red Bluff, Colusa, Freeport, and Walnut Grove were located in the main flow of the river while the recorders above Colusa Basin Drain and at Sacramento Weir are located near the right bank. The probe of the recorder at Colusa Basin Drain was located near the left bank upstream from control gates near the mouth of the drain. Arrangements were made with the gate operator to release water throxjgh the gate nearest the probe to allow movement of water past the probe. The recorders at Red Bluff and Colusa are inspected once every two weeks. The remainder of the recorders were inspected weekly. Con- ductivity data from the recorders was checked against laboratory analysis of samples collected twice each month through Janviary I961, and once each month thereafter. -7- Intensive Four-Day Sampling Surveys . The monthly and daily sampling programs described above permitted an evaluation of seasonal variations in water quality. Detailed information on short-term vauria- tions in conductivity was provided by the continuous recorders. Additional data obtained from closely spaced stations at frequent intervals were required to determine the effects of waste discharges emd intensive svir- veys were accordingly planned. Distances, laboratory facilities, and available personnel re- qiiired that the river be divided into three reaches. Intensive siirveys were conducted within each reach, with some overlapping. Samtpling sta- tions were sepeurated by from one to fifteen miles, depending upon the hydrography and the locations of waste discharges. Locations of these stations are shown on Plate 1. Three periods were selected to correspond to adverse conditions of flow and waste loeidings. These axe summarized in Table 3* -8- Table 3 INTENSIVE SAMPLING SURVEYS Reach River Mile Period :Average! : Keswick: : Release; : cfs Remarks Upper 293.9 to 2Bk.3 6/6-IO/60 10/3-7/60 8,000 Snowmelt essentially complete. Nominal irrigation diversions. 6,000 Minimum reservoir release. Maximum irrigation return flows. Middle I8U.5 to 62.6 9/l2-l6/60 7,000 Maximxam effects of rice field drainage . 5/8-I2/6I 7,500 Minimal irrigation diversions and returns. Lower 62.6 to U.O 6/20-2k/60 10,000 Nominal irrigation diversions. 8/29-9/2/60 9>000 Nominal irrigations diversions and returns. Peak seasonal industrial discharges. IO/2U-28/60 5^500 Minimum reservoir releases and irrigation diversions. Highly- mineralized irrigation returns. The intensive siirveys provided detailed data on bacteriologi- cal quality and oxygen relationships. These are discussed in Chapter V of Appendix C and Chapter V of this appendix, respectively. Limited data on short-term variations in chemical constituents were obtained; these are discussed in Chapter IV, below. Agricultiiral Drainage Sampling Program . Samples were collected twice monthly when the drains were operating during the period May I96O to Msurch 1961 at the locations listed in Table k: -9- Table h LOCATIONS OF MAJOR AGRICULTURAL DRAINS Agricultural Drain : River Mile Butte Slough 138. 9L Reclamation District No.. 70 12h.2L Reclamation District No. I08 100. IR (Rough sind Ready Pumping Plant) Reclamation District No. 787 93 .^R Colusa Basin Drain 90 -SR Sycamore Slough 90 -SR Sacramento Slo\:igh 8O.8L Natomas Cross Canal 79 -IL Reclamation District No. 1000 66. 3L (Pumping Plant No. 3) Reclamation District No. 1000 6I.5L (Natomas Main Canal) Natomas East Main Drain 60.6L Special daily sampling programs were conducted on the supply and drainage waters of Reclamation District No. I08 and the Sopwith rice field during the i960 irrigation season. The results of these investi- gations are reported in Appendix A, Part 3« Miscellaneous Sampling Programs . A number of limited sampling programs provided data which hats been used in the appendix. These included a pH recorder on Spring Creek, temperature recorders at Red Bluff and Freeport, and depth sampling of Shasta Lake and Keswick Reservoir. Data from Keswick Reservoir is presented in data tables at the end of this appen- dix. Results of the other san^jling programs axe in the department's files. -10- Related Investigations and Reports The following reports, containing information and data perti- nent to evaluation of water quality of the Sacramento River, were reviewed in connection with the current investigation. Reference is made to these reports in the text by means of numbers in parenthesis; e.g., (l) (1) Aceuiemy of Natural Sciences of Philadelphia, Department of Limnology. "Sacramento River, Keswick Reservoir and Vicinity." July 1956. (2) Babbitt, H. E. and Doland, J. J. "Water Supply Engineering." Fifth Edition. McGraw-Hill, Inc. New York. 1955- (3) California State Department of Fish and Game. "A Preliminary Report on the Upper Sacramento River Copper Pollution, Shasta County." 1953- (4) California State Department of Public Health. "A Study of the Sacra- mento River as Influenced by Waste Discharges from the American Crystal Sugar Corporation, Clarksburg, California." 1950. (5) California State Depeirtment of Public Works, Division of Engineering and Irrigation. "The Develxjpment of the Upper Sacramento River." Bulletin No. 13 . I928. (6) California State Department of Public Works, Division of Water Resources, Twenty-Six Reports of Sacramento -San Joaquin Water Supervision Covering the Period 1924 to 1954. (7) "Sacramento River Basin." Biilletin No. 26. 1931. (8) . "Variation and Control of Salinity in Sacramento-San Joaquin Delta and Upper San Francisco Bay." Bulletin No. 27. I93I. (9) "San Joaquin River Basin." Bulletin No. 29. I93I. (10) . "Water Survey of the American River Watershed." February 26, 1931. (11) . "Quality of Substitute Waters - San Joaquin Valley." Volume h of h. (Unpublished). 1937 and I938. (12) . Report to Central Valley Regional Water Pollution Control Board on "Waste Discharge Survey and Pollution Study of Sacramento River, Sacramento Sewer Outfall to Cache Slough." (Project Code No. 52-5-4). June I952. (13) Ceilifomia State Depajrtment of Water Resoiirces, Division of Resources Planning. "Quality of Surface Waters in California, I95I-54." Water Quality Investigation Report No. 15 . November I956. -11- (llj.) "Report of Sacramento-San Joaquin Water Supervision for 1955'" Bulletin No. 23-55. June 1957. (15) "Quality of Surface Waters in California, 1955-1956." Bulletin No. 65. December 1^57 • (16) "Svirface Water Flow for I956." Biilletin No. 23-56. January 1959. (17) . "Water Quality Investigation - Upper Sacramento Development." (Unpublished). February i960. (18) . "Surface Water Flow for 1957-" BiiLLetin No. 23-57. February i960. (19) . "Inventory of Water Quality, Sacramento -San Joaquin Delta 1906-1957." (Office Report). Jiily I96O. First Supplement dated July i960. (20) "Quality of Surface Waters in California - 1957 •" Bulletin No. 65-57. December I96O. (21) "Quality of Siirface Waters in California - I958." Bulletin No. 65-58. December I96O. (22) "Quality of Surface Waters in California - 1959'" Bulletin No. 65-59. July 1961. (23) California State Water Pollution Control Board. "Water Quality Criteria." State Water Pollution Control Board Publication No. 3- 1952. (2k) California State Water Resources Board. "Water Resources in California." B\illetin No. 1- 1951- (25) Central Valley Regional Water Pollution Control Board. "Water Pollu- tion Study - Sacramento River Watershed." 1955. (26) Churchill, M. A. and Buckingham, R. A. "Statistical Method for Analysis of Stream Purification Capacity." Sewage and Industrial Wastes, 28, k, 517. April 1956. (27) Churchill, M. A., Elmore, H. L., and Buckingham, R. A. "The Predic- tion of Stream Reaeration Rates . " Division of Health and Safety, Tennessee Valley Authority, Presented at National Convention of ASCE. October I6 - 20, I961. New York. (28) Elmore, H. L. and West, W. F. "Effect of Water Temperature on Stream Reaeration." Joumsil of Sanitary Engineering Division. Proceed- ings of ASCE. Vol\ame 87, No. SA 6. November I96I. (29) Hoskin, C. H. "Studies of Oxygen Metabolism of Streams of North Carolina." Institute of Marine Science. Volume I6, pp. I86-I92. 1959. -12- (30) Imhoff, Karl and Fair, G. M. "Sewage Treatment." Second Edition. John Wiley and Sons, Inc. New York. 338 p. 195^. (31) Kofoid, C. A. "The Plankton of the Illinois River, I89U-I899, Part II, Constituent Organisms and Their Seasonal Distribution." Bulletin, Illinois State Laboratory of Natural History. Volume 8, Article 1. pp. I-360. I908. (32) Leeds, Hill and Jewett. "Report to State Water Pollution Control Board on Control of Pollution of Keswick Reservoir." June Ik, 1957. (33) Moore, E. W., Thomas, E. A., and Snow, W. B. "Simplified Method for Analysis of BOD Data." Sewage and Industrial Wastes. Volume 22, 10. 1950. (3^) Odum, H. T. "Primary Production in Flowing Waters." Limnology and Oceajiography. Volume 1, No. 2. pp. 102-117. April I956. (35) Odiom, H. T. "Primary Production Measurements in Eleven Florida Springs and a Marine Turtle-Grass Community." Limnology and Oceanography. Volume 2, No. 2. pp. 85-97. April 1957. (36) Odum, H. T. and Hoskin, CM. "Comparative Studies in the Metabolism of Marine Waters." Publications, Institute of Marine Science. Volume 5« December 1958. (37) Ohio River Valley Water Sanitation Commission. "Water Quality and Flow Variations, Ohio River and Tributaries - I956-57." April 1959. (38) O'Connor, D. J. and Dobbins, W. E. "Mechanism of Reaeration of National Streams." Transactions, ASCE. Volume 123 . p. 6kl. 1958. (39) Park, K., Hood, D. W. and Odum, H. T. "Diurnal pH Variation in Texas Bays, and Its Application to Primary Production Estimation." Publications, Institute of Marine Science. Volume 5. December 1958. (ifO) Sawyer, C. N. "Chemistry for Sanitary Engineers." McGraw-Hill Book Company, Inc. New York. p. 367, i960. (i+1) Sheehy, J. P. "Rapids Methods for Solving Monomolecular Equations." Jour. Water Poll. Cont. Fed., Vol. 32, pp. 6U6-6^2. i960. (i+2) Streeter, H. W. and Phelps, E. B. "A Study of the Pollution and Natural Purification of the Ohio River. III. Factors Concerned in the Phenomena of Oxidation and Reaeration." Public Health BvOletin No. IU6. U. S. Public Health Service. I925. (if3) Streeter, H. W. "Measures of Natural Oxidation in Polluted Streams. II. The Reaeration Factor and Oxygen Balance." Stream Pollution. Sewage Works Journal. Volume 7, No. 3. page 53I+. May 1935. -13- {kh) Streeter, H. W., Wright, C. T. and Kehr, R. W. "Measures of Natural Oxidation in Polluted Streams III." Sewage Works Journal. Volume 8, No. 2. pa^e 282. March 1936. (45) Tarzwell, C. M. "Dissolved Oxygen Requirements for Fishes." Tech- nical Report W-58-2. U. S. Public Health Service, Robert A. Taft Sanitary Engineering Center, Cincinnati. 1958. (J+6) Theria\iLt, R. J. "The Oxygen Demand of Polluted Waters." Public Health Bulletin No. 173- U. S. Public Health Service. 1927- (h'j) Thomas, H. A. "Graphical Determination of BOD Curve Constants." Water and Sewage Works, p. 123- March 1950- (48) Tsivoglou, E. C "Discussion of Stream Data Applied to Waste Treat- ment Plant Design." Technical Report W-58-2. U. S. Public Health Service, Robert A. Taft Sanitary Engineering Center, Cincinnati. 1958. (4-9) United States Department of the Interior, Bureau of Reclamation. "Factual Report - Salinity and Stream Flow Measurements . " Yearly, 1952 to 1955. (50) . "Report of Operations." Monthly since 195^. (51) United States Department of the Interior, Geological Sirrvey. "Quality of the Surface Waters of California." Water Supply Paper 237. 1910. (52) . "Some Stream Waters of the Western United States." Water Supply Paper 27I+. I9II. (53) • "The Composition of the River and LaJce Waters of the United States." Professional Paper 135. (F. W. Clarke). 1924. (54) . "Chemical Characteristics of Delaware River Water, Trenton, New Jersey to Marcus Hook, Pennsylvania." Geological Survey Water Supply Paper 1262. 1954. (55) "Quality of Waters of the United States, 1951." Geological Survey Water Supply Paper 1200. 1955- (56) . "Quality of Surface Waters of the United States, 1952." Geo- logical Survey Water Supply Paper 1253 . 1957- (57) "Quality of Surface Waters of the United States, 1953." Geo- logical Survey Water Supply Paper I293. I958. (58) "Quality of Siirface Waters of the United States, 1954." Geo- logical Survey Water Supply Paper 1353. 1959- (59) "Quality of Svirface Waters of the United States, 1955 •" Geo- logical Survey Water Supply Paper l403. I959 -14- (60) . "study and Interpretation of the Chemical Characteristics of Natural Water." Geological Survey Water Supply Paper l^fTS- 1959. (61) . "Quality of the Surface Waters for Irrigation, Western United States, 1956." Geological Survey Water Supply Paper IU85. i960. (62) United States Department of the Interior, Fish and Wildlife Service. "Water Temperature Records from California's Central Valley 1939 - 19^." Special Scientific Report: Fisheries No. 2. September 19^9' (63) "Water Ten^peratures of California's Central Valley I9I+9-5I." Special Scientific Report: Fisheries No. 75. May 1952. {6k) Unsinger, R. L., Editor. "Aquatic Insects of California." Univer- sity of California Press, Berkeley, California. 1956. (65) Verduin, J. "Daytime Variations in Phytoplankton Photosynthesis." Limnology and Oceanography. Volxane 2, No. U. pp. 333 - 336. October 1957- (66) Welch, p. S. "Limnology." McGraw-Hill Book Company Inc., New York. 1952. -15- CHAPTER II. FIELD AND LABORATORY PROCEDURES Field Procediires Water samples for dissolved oxygen (DO) determinations were taken with a two-liter Kemmerer sampler at a depth of foiir feet. If the stream was less than four feet deep the 300 ml DO bottle was immersed by hand to mid-depth and allowed to fill. Water from the Kemmerer sam- plers was drained into a DO bottle through a rubber tube, allowing an overflow of from one to three times the sample volume. Dissolved oxygen concentrations were determined in the field, within a few minutes of the sampling time, with the Alsterberg (Azide) modification of the Winkler method. Thiosulfate solutions were standard- ized at the beginning of each survey period. Chloride concentrations in the lower reach were low enough that correction factors were not needed. The desirability of field titration was indicated by a limited stiidy during the first intensive survey where field DO's were compared with those obtained from duplicate samples which were carried through the acidification stage in the field and titrated after three to six hours delay. Figtire 1 shows that time delays between acidification and comple- tion of the analysis generally resxilt in an increase in the indicated DO. Of the 93 paired values shown on the figure, 1^+ points from one sam- pling reach are indicated by crosses. These points suggest that the particular bxirette calibration resulted in consistently high values; if they are neglected, the effect of time delays is even more apparent. Those values in the shaded portion of the figure are of doubtful veQ.ue because of the inexperience of some of the field crews. The positive bias shown by samples titrated in the laboratory was confirmed by two swLditional though smaller series of tests. The -17- 12 E CL Q. CO ^' o X ^, ro cr UJ d >- q: o H 28 O m < W • • 0° L' • • • •/ • /^ * i ' • • V • • . 1' • V V / / X X • / x« / X / X XXK / / / 8 9 10 INITIAL (field) D.O., ppm II 12 Figure I. COMPARISON OF FIELD AND LABORATORY DETERMINATIONS OF DISSOLVED OXYGEN -18- numerical value of the bias is uncertain, but is significantly more than the estimated analytical error of 0.1 ppm. The importance of adequate training of field crews in analyti- cal procedures is implicit in the foregoing paragraphs. In Chapter V of this appendix, it is shown that erratic resxilts which could be traced to particular crews occasionally had to be neglected in characterizing oxygen relationships. Sampling for Physical and Chemiceil Analyses Water samples for physical and chemical analyses were either taken from the Kemmerer sampler after the dissolved oxygen sample had been withdrawn or obtained by immersing the collection bottle in the stream. All sampling equipment was flxished with the stream water at the site be- fore sampling. Temperatures were read, from 5-l/2-inch armored pocket thermo- meters to the nearest l/2°F. Field pH was determined by a Hellige pocket comparator general 1 y using Bromthymol Blue D with a range of 6.0 to 7.6. Storage and Transportation of Samples Half-geQJLon BOD samples were iced and taken to the laboratory as soon as possible. Standard commercial picnic ice chests large enough to hold eight samples were used. During intensive sampling programs, the time lag between sample collection and delivery of the samples to the laboratory was generally 6 to 12 hours. During monthly sampling runs, BOD and nitrogen series samples collected in the Redding area were shipped to Sacramento via bus where they were picked up and delivered immediately to the laboratory. The san^jle bottles were placed inside plastic bags which were filled with cracked ice and placed in plywood shipping cases. River samples generally -19- arrived at the laboratory 1 to 12 hours after collection. Composited sewELge samples were generally delivered within 2 hours after collection of the last portion. Nitrogen series samples were collected in half -gallon bottles and acidified with 3 ml of 36n N2S0l^ to minimize changes during transportation . The importemce of transportation and storage times for nitrate analyses of river water is indicated by Figure 2. Nitrate concentrations from nitrogen series analyses were obtained within 1 to 12 hours after sanrpling. Concentrations determined in the course of complete mineral analyses in order to check ion balances were obtained sifter delays of days or weeks . The 132 paired values shown in Figure 2 show that neither the sign nor the magnitude of the changes can be predicted. At the 90 percent confidence level, the ratio of delayed nitrate to immediate nitrate concentrations varied from 0.22 to 2.6. Samples collected for ether-soluble determinations were also fixed by the addition of 3 ml of 36N H2SOI4.. Phenol samples were collected in half -gallon bottles and fixed with approximately two grams of copper sill fate . Laboratory Procedures Methods are those appearing in the 11th edition of Standard Methods for the Examination of Water and Waste Water unless otherwise indicated. Analytical resxilts are reported in parts per million unless otherwise specified. The Beckman Model B spectrophotometer was used for colorimetric procedures. -20- 2.0 1.8 E a. a. uj" 1.6 o ■ < o > UJ 1.4 1.2 < 0.8 z o a: z 0.6 UJ o z o u UJ »- 4 0.4 0.2 •»») - -•») — •»»- •» — .•« — • • 1/ /I •) •) •) — «)) — •»»; — •» — •> • •J •*! •)» — mmi — •» ■*»)) — M •1 •»- ■•m — •■ -* 2,9 -► 1.8 0.0 0.2 0.4 0.6 0.8 1.0 1.2 NITRATE CONCENTRATION I TO 12 HOURS AFTER SAMPLING, ppm Figure 2. EFFECTS OF STORAGE ON NITRATE CONCENTRATIONS -21- PhysicaJL Analyses Color. The method is one of comparison using standard color discs and the Hellige Aq.ua Tester, with results reported in arbitrary- units . Threshold Odor . Dilution method based on diluting a sample vith odor-free water at 6o*C tintil any odor present is barely percepti- ble. The threshold odor nvmiber is reported in dilution units. Turbidity . A Hellige Tiirbidimeter was used. This method is based on comparing light from a calibrated so\irce scattered by a stand- ard silica solution with that scattered by the sample. Results reported as ppm silica. Suspended Solids . Residue method. Sample filtered through a glass fiber mat placed in a Gooch crucible, and dried at lOS^C for one hour. Dissolved Solids . Sample evaporated on steam bath and dried in oven for one ho\ir at iSO^C. Chemical Analyses Calcixim (Ca) . EDTA titrimetric method. Magnesium (Mg) . CsuLculated from difference between equivalent parts per million EDTA hardness and equivalent parts per loillion calcitm. Sodi\jm (Na) . Flame photometer, Beckman Model DU. Potass i\jm (k) . Flame photometer, Beckman Model DU. -22- ALkal Inity (CO3 end HCO3) . Potent iometric method using Beckman Zeromatic pH meter titrating water saniple to equivalence points. Sulfate (SOij.) . Gravimetric method. Chloride (Cl) . Mohr method. Fluoride (f) . SPADNS method Nitrate (NO3) . Phenoldisulfonic acid method. Silica (Si02) • Heteropoly blue method. Boron (b) . Carminic acid method. Hardness (Ca + Mg) . EDTA method. Reported as ppm CaCOo. Noncarbonate-Hardness . Calculated by subtracting alkalinity (as CaCO^) from total hardness (EOTA) . Nitrogen Series . Animnnium (NHl^.) . Distillation and Nesslerization. Nitrite (NO2) • Diazotization method. Nitrate (NO3) . Phenoldisulfonic acid method. Organic Nitrogen (Org. N.). Kjeldahl method. Phosphate Ortho (POl).) . Phosphomolybdate method. Total (POi^.) . Acid hydrolysis-phosphomolybdate method. Oil and Grease (ether- soluble) . Wet extraction method using diethyl ether. Standard Methods for the Examination of Water and Sewage, 9th Edition (19^6), page k2. Detergents (ABS) . Methylene blue method. -23- Phenolic Material . U-aminoantipyrene method. Tannin and Lignin . Molybdophosphoric acid method. Oxygen Analyses Dissolved Oxygen (PO) and Biochemical Oxygen Demand (BOD) . Alsterberg (Azide) modification of the Winkler method. Chemical Oxygen Demand (COP) . Dichromate reflijx method. Iron (Fe) . o-phenanthroline method. Aluminum (A1) . Ferron-phenanthroline method used for screening. Aluminon method used for the determination. Arsenic (As). Heteropoly blue method. Chromium Hexavalent (Cr"^°) . Dephenylcarbazide method. Total (Cr) . Permaiiganate-azide method. Copper (Cu) . 'Cuprethol' method. Lead (Pb) . Dithizone extraction method. Mangsmese (Mn) . Tetrabase method used for screening. Potas- slvaa method used for determination. Zinc (Zn) . Dithizone extraction method. Cadmium (Cd) . Dithizone extraction method. Specific Conductance (EC) . Wheatstone bridge method. -24- pH. Glass electrode method using Beckman Zeromatic pH meter. pH vsuLues are recorded as units to nearest one-tenth. Percent Sodiiom (^Na) . Calculated according to the U. S. Depart- ment of Agriculture Handbook No. 6o. -25- CHAPTER III. WATER QUALITY CRITERIA Criteria utilized in eveLLuation of the quality of water of the Sacramento River are presented in two categories: (l) general criteria which are applicable to broad classifications of uses and not associated with any particular source of water supply, and (2) specific criteria related directly to the water quality of Sacramento River. General Criteria These criteria were used as guides in determination of the suit- ability of a water supply with respect to the following broad categories of uses: domestic and municipal water supply, industrial water supply, irrigation water supply, and preservation and protection of fish and wildlife. Domestic and Municipal Water Supply Chapter 7 of the California Health and Safety Code contains laws and standards relating to domestic water supply. Section i*010.5 of this code refers to the drinking water standards promulgated by the United States Public Health Service for water used on interstate carriers. These criteria have been euiopted by the State of California. They are set forth in detail in United States Public Health Report, Volume 6l, No. 11, March 15, 19k6, reissued in March 1956. According to Section k.2 of the above-named report, chemical substances in drinking water supplies, either natural or treated, should conform with the limitations presented in Table 5« -27- Table 5 LIMITING CONCENTRATIONS OF CHEMICAL CONSTITUENTS FOR DRINKING WATER United States Public Health Service Drinking Water StandeircLs, 19^ : Parts Per Constituents ] : Million Mandatory- Fluoride (f) 1.5 Lead (Pb) 0.1 Selenium (Se) Hexavalent chromium (Cr'''°) 0.05 0.05 Arsenic (As) 0.05 Nonmandatory but Recommended Values Iron (Fe) and Manganese (Mn) together 0.3 Magnesium (Mg) 125 Chloride (Cl) 250 Sulfate (SOl^) 250 Copper (Cu) 3.0 Zinc (Zn) 15 Phenolic compounds in terms of phenol 0.001 Total solids - desirable 500 - permitted 1,000 In addition to the limits listed in Table 5^ the 19^6 standards state that turbidity shall not exceed 10 ppm (silica scale) , that color shall not exceed 20 (platinum-cobalt scale) , and that the water shall have no objectionable taste or odor. In 1962, the Public Health Service adopted a revised set of drinking water standards . These have not yet been adopted by the State of CaJLifornia. They are presented in Chapter IV, Appendix C. Interim standards for certain minersil constituents have recently been adopted by the California State Board of Public Health. Based on these standards, temporary .permits may be issued for drinking water sup- plies failing to meet the United States Public Health Service Drinking -28- Water Standards, provided the mineral constituents in Table 6 are not exceeded. Table 6 UPPER LIMITS OF TOTAL SOLIDS AND SELECTED MINERALS IN DRINKING WATER AS DELIVERED TO THE CONSUMER CsJ-ifomia State Board of Public Health ! Permit* \ Temporary Permit Total solids 500 (lOOO) 1,500 ppm Sulfates (SOI4.) 250 (500) 600 ppm Chlorides (Cl) 250 (500) 6OO ppm Magnesium (Mg) 125 (125) I50 ppm * Numbers in parentheses are maximum permissible, to be used only where no other more suitable waters are avail- able in sufficient quantity for use in the systems. The California State Board of Hesilth has defined the maximum safe amounts of fluoride ion in drinking water in relation to mean annual temperature. Mean annual Mean monthly maximum temperature fluoride ion concentration in "F in ppm 50 1.5 60 1.0 70 - above O.7 The relationship of infant methemoglobinemia (a reduction of oxygen content in the blood, constituting a form of asphyxia) to nitrates in the water supply has led to limitation of nitrates in drinking water. The California State Department of Public Health has recommended a ten- tative limit of 10 ppm nitrogen (44 ppm nitrates) for domestic waters. Water containing higher concentrations of nitrates may be considered to be of questionable q\aality for domestic and municipal use. -29- Limits may be established for other organic or mineral substances if their presence in water renders it hazardous, in the judgment of state or local health authorities. An additional factor with which water users are concerned is the factor of hardness. Hardness is due principally to calciim and mag- nesivm salts and is generally evidenced by inability to develop suds when using soap. The United States Geological. Survey considers the four classes of degrees of haxdness listed in Table 7« Table 7 HARDNESS CLASSIFICATION OF WATERS U. S. Geological Survey Range of : Relative hardness in ppm ; classification 0-60 Soft 61 - 120 Moderately hard 121 - 200 Hard Above 200 Usually requires softening Criteria for maxinium permissible concentrations (MPC) for dis- charge of radionuclides into sanitary sewerage systems have been adopted by the Atomic Energy Commission. The waste discharge limits have been published in the Code of Federal Regulations, Title 10, Chapter 1, Part 20, Paragraph 20.303(c), which states: "The quantity of any licensed or other radioactive material released in any one month, if diluted by the average monthly quantity of water released by the licensee, will not result in an average concentration exceeding the limits specified in Appendix B, Table 1, Column 2, of this part." The table lists permissible concentrations of radionuclides. For mixtures, where the identity or concentration of any specific radionuclide is xinknown, the table gives a limiting value of 3 x 10"''' uc/ml (3OO uuc/l) . -30- Criteria for Irrigation Water Criteria for minered. quality of water have been developed by the Regional Salinity Laboratories of the United States Department of Agricultiire in cooperation with the University of California. Because of the diverse climatological conditions, crops, soils, and irrigation practices in California, criteria which may be set up to evaluate the suitability of water for irrigation use must necessarily be of a general nature, and judgment must be used in their application to individual cases. Suggested limiting values for total dissolved solids, chloride concentration, percent sodium and boron concentration for three general classes of irrigation water are shown in Table 8. Table 8 QUALITATIVE CLASSIFICATION OF IRRIGATION WATERS Chemical properties Class 1 Class 2 Class 3 Excellent to good (Suitable for most plants xinder any con- ditions of soil and climate) ; Good to ; injurious ; (Possibly harm- ; ful for some crops under ; certain soil : conditions) : Injurious to ; unsatisfactory : (Harmful to :most crops and : unsatisfactory :for all but the ; most tolerant) Total dissolved solids: In ppm In conductance micromhos at 25*0 Chloride in concentration: In milliequivalents per liter In ppm Sodium in percent of base constituents Boron in ppm Less than 700 700 - 2,000 More than 2,000 Less than 1,000 1,000 - 3,000 More than 3,000 Less than 5 Less than 175 Less than 60 Less than 0.5 5 - 10 175 - 350 More than 10 More than 350 60 - 75 More than 75 0.5 - 2.0 More than 2.0 -31- Industrial Water Supply Water quality criteria for industrial waters are as varied and diversified as industry itself. Food processing, beverage production, pulp and paper manufacturing, and textile industries have exacting require- ments, while cooling or metalliirgical operations permit are of poor quality waters. In general, where a water supply meets drinking water standards, it is satisfactory for industrial use, either directly or following a limited amount of polishing treatment by the industry. Preservation and Protection of Fish and Wildlife A healthy and diversified aquatic population is indicative of good water quality conditions which in turn permit optimum beneficial uses of the water. For such a popxilation to exist the environment must be suit- able for both the fish and the food-chain organisms. Many mineral aad organic substances in low concentrations are harmful to fish and aquatic life. Insecticides, herbicides, ether-soluble materials, and salts of heavy metals are of particular concern. Tolerances to temperature extremes vary widely between fish species. In genersil, coldwater fish are found in waters of from 32" to 65 °F and warrawater fish require temperatures between h^'* and 85 "F. The maximum temperature for successfiol salmon spawning is 58 °F. Rapid changes in water temperature may result in fish kills. The minimum req\iirements for dissolved oxygen concentrations vary with the location and season. In general, 5 PPm is satisfactory for migrating fish. However, anadromous fish require at least 7 PPm dissolved oxygen in spawning areas and, under some conditions, 9 PPni is needed. It has been found that pH limits of 6.5 to 8.5 provide satis- factory protection for fish. -32- The combined effect of many chemicaJL or physical characteris- tics are not the simple sum of the specific effects. For example, while the hardness of the water does not of itself affect fish, some insecti- cides are more toxic in soft water and others are more toxic in hard water (chapter II, Appendix C) . These problems of synergistic and antagonistic effects extend throiJgh a wide range of materials and conditions. Frequently, determination of the effects of a paxticialar waste discharge is dependent upon biological studies in similar waters receiving similar wastes. In many cases, these requirements for similarity may not be met and labora- tory bioassays are ijecesseiry. Specific Criteria Specific criteria which are related directly to water quality of Sacramento River are included in a policy statement adopted by the Central Valley Regional Water Pollution Control Board, recommendations by a board of consultants on water quality, and a contract between the California State Department of Water Resoxirces and the Metropolitan Water District of California. Policy of the Central Valley Regional Water Pollution Control Board (No. ^) In September 195^, the board adopted Resolution No. 5U-35 to provide guidance in preparing quality requirements for wastes to be dis- charged into Sacramento River. Relevant sections of this resolution are quoted as follows: "RESOLVED, that as an initial policy the waters of the Sacramento River at the Division of Water Resources sampling station (Station No. I5) at M Street Bridge near the City of Sacramento: -33- 1. ShaJJ. not have a sulphate concentration in excess of k ppm over the sxolphate concentration present in the river at the same sampling station. Maximum observed to date 40 ppm. 2. Shall not have a chloride concentration in excess of k ppm over the present chloride concentration at the same sampling station. Maximum observed to date 20 ppm. 3. Shall not have a sodixmi concentration in excess of h ppm over the present sodiimi concentration at the same sampling station. Maximian observed to date 25 ppm. h. Shall not have a hardness concentration in excess of ^4^ ppm over the present. Maximum observed to date 92 ppm. 5. Shall not have a total solids concentration in excess of 25 ppm over present. Maximum observed to date I76 ppmj and be it RESOLVED further. That 6. The Sacramento River at no point shall have a dissolved oxygen concentration of less them 85 percent saturation. 7. The waters of the Sacramento River at all points shall be bacteriologically safe for its present use. 8. The waters of the Sacramento River shall, be free of grease slicks and floating solids of sewage or waste origin. 9. The Sacramento River shall have no substances discharged to it of such character or quantity as to be injurious to humans, plant, animal, fish or aquatic life. 10. The Sacramento River shall have no substances discharged to it of such character or quantity as to be injiorious for irrigation use. 11. The Sacramento River shall not have sludge of sewage or waste origin deposited either on its bottom or banks. 12. The Sacramento River shall receive no waste discharges which will cause objectionable discoloration. 13. Waste discharges to the river shall not raise the temp- erature of the Sacramento River more than 0.5°F at any point. -3^^- Ik. Waste discharges shall not cause the pH of the river to fall below 6.5 nor rise above 8.5 at any point except that no more than 10 percent of the samples shall be less than 7-0 and no more than 10 percent of the sam- ples shall be more than 8.0. 15. The Sacramento River shall have no substances in it of such character or quantity as to be capable of caus- ing detectable tastes or odors in a domestic water supply after conventional and practical treatment." Recommendations by Board of Consultants A board of consultants was retained by the Department of Water Resoxirces to recommend water quality criteria for water for export at points of diversion at the southern boundary of the Sacramento-San Joaquin Delta under the ultimate pattern of water transfer and use proposed in The California Water Plan. The 1955 recommendations by this board were adopted by the Department of Water Resources as the quality objectives to be met at points of diversion from the Delta for water to be exported to the major areas of deficiency. -35- Table 9 VfATER QUALITY LIMITS FOR WATER FOR EXPORT AT POINTS OF DIVERSION AT SOUTHERN BOUNDARY OF SACRAMENTO-SAN JOAQUIN DEHTA Recommended by Board of Consultants on Water Quality June 1955 Item Limit Total Dissolved Solids ^ Electrical Conductance (EC x 10° at 25 "c) Hardness as CaCO^ Sodium Percentage Sulfate Chloride Fluoride Boron PH Color Other constituents as to which the U. S. Public Health Service has or may establish mandatory or recommended standards for drinking water Uoo ppm 600 160 ppm 50 100 ppm 100 ppm 1.0 ppm 0.5 ppm 7.0 - B.5 10 ppm USPHS Limits Contract Between the State of California and the Metropolitan Water District In November I960, the Department of Water Resources entered into a contract with the Metropolitan Water District for transport of surface waters to southern California for use by the district. The con- tract sets forth quality objectives to be met by the State at points of delivery to the district. These objectives are presented hereinafter for consideration as a guide for evaluation of the quality of Sacramento River since this river is a principal conveyance channel of the State water resources development system. -36- "It shall be the objective of the State and the State shall take nil reasonable measures to make available, at all delivery structures for delivery of project water to the Dis- trict, project water of such quality that the following con- stituents do not exceed the concentrations stated as follows (Table 10): Table 10 WATER QUALITY OBJECTIVES FOR THE METROPOLITAN WATER DISTRICT OF SOUTHERN CALIFORNIA • • : Monthly : Average for any • • Constituent . Unit • : Average : 10- -year Period . Maxim\jm Total Dissolved Solids ppm. kko 220 Total Hardness ppm. 180 no - Chlorides ppm. no 55 - Sill fates ppm. no 20 - Sodium Percentage i> 50 ko - Fluoride ppm. - - 1.5 Lead ppm. - - 0.1 Selenium ppm. - - 0.05 Hexavalent Chromium ppm. - - 0.05 Arsenic ppm. - - 0.05 Iron and Manganese together ppm. - - 0.3 Magnesium ppm. - - 125- Copper ppm. - - 3-0 Zinc ppm. - - 15. Phenol ppm. ~ "■ 0.001 Subsequent contracts between the Department of Water Resources and local agencies have included water quality objectives consistent with those in Table 10. -37- CHAPTER IV. PHYSICAL AND CHEMICAL CHARACTERISTICS PhysicaJ. and chemical changes in Sacramento River water are caused by naturaJL phenomena and by activities of man. Changes which occur during beneficial use are discussed in Part 3^ Appendix A. This chapter is concerned with the effects of various natural events, water discharges and beneficial uses upon the river itself. In general, monthly profiles of the river showing concentrations of various constituents are presented in this chapter, together with charts showing historical -variations in water quality at selected stations. Basic data are incliided in a separate section at the end of the appendix. Temperature Water temperatures affect such physical features as density, surface tension, viscosity, and saturation values of solids and gases, and control the rates of chemical and biochemical reactions. Temperature of water is fundamentally important in fish migration and spawning, seed germination and plant growth, and industrial coo3J.ng applications. Data for the calendar year I96O have been reviewed and evalu- ated to determine their credibility ajid to define the present temperatiire regimen of the Sacramento River. Monthly averages of daily siirface sam- ples at four stations from Keswick (mile 300. l) to Freeport (mile kS.k) are listed on Table 11. -39- Table 11 AVERAGE MONTHLY TEMRERATURES OF SACRAMENTO RIVER, I96O • ijan. • !Feb. • JMar. • I Apr. • • • • • JMay ! Jiine '. July j Aug . • !Sep. jOct. • JNov. • JDec. Bend (256.3) Maximum 50 55 59 60 63 64 61 61 62 60 58 54 Average k8 50 54 56 56 59 58 57 60 58 55 52 Minimum hi hi 49 51 53 55 55 54 57 56 52 47 Butte City ( 168.2) Maximum ^h 55 62 65 68 75 70 70 70 67 50 54 Average h3 52 56 62 64 72 65 65 67 61 53 48 Minimum k2 59 50 54 54 68 59 58 64 57 48 43 Knights Landing (90. i+) Maximum h6 50 61 63 65 77 74 73 73 70 59 54 Average h3 hi 54 61 62 72 72 70 70 64 55 48 Mini mum 41 J+0 48 60 60 66 70 69 69 56 49 46 Freeport (kCk) Maximum 51 52 59 63 69 16 72 72 71 66 58 54 Average J+5 49 53 58 65 71 70 69 68 62 56 49 Minimum 41 hi 48 55 61 66 66 68 65 54 48 42 Figiire 3 presents profiles of river temperature based upon single monthly observations made at the 22 stations established for this survey. Comparison of the figure with Table 11 shows that the data are generally comparable. During the winter months, the river generally loses heat throughout its length. During the rest of the year, river tenrperatures rise except for local cooling caused by American River flows. Temperature data are available for about 90 percent of the tribu- tary and irrigation return flows. Temperat\ires of the remaining accretions were estimated on the basis of similar flow amd drainage area character- istics. The values chosen for Keswick were identical with those reported by the Bureau of Reclamation for releases from Shasta Deim except during summer months when Keswick temperatures were one or two degrees higher. -40- I RIVER MILES 300 280 260 240 220 200 ISO 160 140 120 100 80 40 20 o o AP ■ i MA a 4 JU RIL 1960 T 1960 NE I960 ---•- . - * 4 - — -•" . -* ^._ ,_ _-(-■* '^ \z^r^^ --T^^'' ^-'-" - •'!>"' -o •» g-^ 60 t « UI z z UJ a: z 2 eo lA Ui UJ a. UJ 60 o z UJ (C = .0 IT UJ a. . S le 60 60 40 1 a JULY I960 ■ 1 AUGUST I960 „ o E 300 260 240 220 160 160 RIVER MILES 20 100 80 60 40 20 SACRAMENTO RIVER WATER POLLUTION SURVEY Figure 4. SUSPENDED SOLIDS — SACRAMENTO RIVER 1960-1961 -48- 1 populations discussed in Chapter VII, Appendix C. The effects of tribu- tary streams and irrigation drains result in locaJL increases shown on Figiire k. The United States Geologicsil Survey makes daily observations of suspended (mineral) sediment at Red Bluff and Sacramento. Unpublished records for the period October 1957 to September 1959 shov that higher concentrations occur at times of higher flows during the winter and early spring months. Average monthly concentrations varied from about 10 ppm during the late summer to over 200 ppm during the heavy runoff season. Suspended solids values obtained on samples from within the upper four feet during this investigation are thus comparable with the average sus- pended sediment concentrations throioghout the depth of the river during low flow periods. However, during high flows, average concentrations are much higher than surface suspended solids. Turbidity and Water Transparency Txirbidity data have been collected monthly from several stations on the Sacramento River since 1951- During the survey, turbidity was determined monthly at 22 stations. In addition, data on water transparency were obtained two weeks later by use of a Secchi disc dviring the monthly sampling program for the biological phase of the survey. The results of the transparency observations are discussed in Appendix D. Redding, Hamilton City, and Snodgrass Slough were selected as typicEil stations to show the historic and seasonal pattern of turbidities in the upper, middle, and lower reaches of the Sacramento River. Turbidi- ties for these stations are plotted on Figure 5' Turbidities at other stations sampled during the Sacramento River Siirvey are genereQJ^ consist- ent with the plotted vsJiues . -49- 100 50 REDOING (297.7) 1 ' \K J c c o ./ rS^-- ^^^ V v/w >u «> '5 >• 350 300 250 E S:2oo CD Q: 150 3 100 HAMILTON CITY (199.6) 1 \ , A /v 1 /v/ iKJL/l. y L^ yw.' U/ V-A r 50 100 50 SNOOGRASS SLOUGH (37.2) 1 1 » \ , aA . n A c c o u rW L fw /^-\y^ ^v 5 ^ 1 1951 1952 1953 1954 1955 1956 1957 1958 1959 I960 1961 Figure 5. TURBIDITY IN SACRAMENTO RIVER I95I-I96I -50- Txirbidity at Redding was generally less than 25 ppm except for periods of high flow in 1955-56 and 1958. At Hamilton City, turbidities were generally less than 25 ppm from 1955 to I96I. In contrast to the station at Redding, maximum values between 250 and 300 ppm during January and February reflect seasonal peaks due to higher turbidities of unregu- lated tributary discharges. Seasonal variations of turbidity at Snodgrass Slough are less pronounced than those at Hamilton City. Relatively larger summer varia- tions which appear between the two stations and which are probably related to irrigation return flows are reduced by dilution with waters from the Feather and American Rivers. The following tabulation summarizes turbidities in various influents : Table 15 TURBIDITY IN TRIBUTARIES TO SACRAMENTO RIVER, I96O-6I ! Mile ; ft ; Turbidity, ppm Station ; Mediaji : Raiige Butte Slo\;igh 138.9 30 1 - 150 Colusa Basin Drain 90.2 50 10 - 360 Sacramento Slough 80.8 33 13 - 137 Feather River 80.0 k 2-1+5 American River 60. u h 1 - 15 The effects of these influents are shown on Figure 6. The summer profiles indicate variations due to flows from irrigation drains, and the winter profiles show the effects of rains. -51- < < t- V^f < KESWICK DAM COtV CREEK 1 s 1 1 1 Is 4: % o < " S a -J 1 £ ^ 1 1 O Q O § 1 8 1 s S 5 i 1 o ^. n o < O * si a z X 2 z §1 5 *5 3 s O > O fllVEfl MILES 80 90 300 280 260 240 220 200 180 160 140 120 100 iioi ; 60 40 20 1 / ^•^ „. o APRIL I960 f '■ft / ■ ■ MAY I960 / / « * JUNE i960 --'' ^ / 60 30 ,-■ \ , / .f" V / \ / s= =4=^1^ r^rr^ ^s— ^ ^ t,^;_- -4- _-a' — . — ■— = -0 —-■''' J 4 a' / / a: 3 yo 1 JULY I960 « « AUGUST I960 ft ft SEPTEMBER I960 1 ,K !=• r,=— 1=- — 1 .-= =» J -8 — =1=^ ft- ••—5=^ /" -i^^^^.^ • o OCTOBER I960 « » NOVEMBER I960 ft ft DECEMBER I960 _^ ---- ■. "N 4 a-' ,.. ..^ (i^L=^ • a ---' a^ Cr ^^ a -^ 1/ I 1 o JANUARY 1961 < » FEBRUARY 1961 t « MARCH 1961 y\ \ /^'"~ 1 I yf'^ . """■ -^-^__ \ a a /' \-0 2< F 2< SAC 'igure 2C RAMEN 6. T le TO RIV URBID 16 RIVER ER WA' ITY- 1960- -5 14 MILES rER PO -SACF -1961 2- 12 LLUTIOI RAME 10 ») SURV NTO 8( EY RIVEF 3 6( 3 4( D 2C Figxire 7 shows the relationship between turbidity and transpar- ency determined by Secchi disc. The scatter of the points is due to limitations of both types of measurements; nevertheless, the genersJ. inverse relationship is clear. A limited number of observations were made in October and November i960, with a submersible photometer. The depths at which the incident light was reduced by an order of magnitude was determined. It was found that, for each station, the depth for 90 percent reductions in incident light (D-90) was essentially constant. At mile 305*7^ for example, the light was reduced by 90 percent every five feet. The constancy of D-90 was noted in both the upper reach and at Rio Vista, indicating a high degree of vertical mixing of those factors which reduce transparency. D-90's from mile 305.7 to mile 2U9.O varied from 5.0 to 12.5 feet and were directly proportional to the depth. D-90's at Sacramento and Rio Vista were about k and 2.5 feet, respectively. These values are generally consistent with observations of turbidity and transparency discussed previously. The I9U6 Public Health Service drinking water standards set a limit of 10 ppm on turbidity. Figures 5 and 6 both show that, although turbidities are generally within this range, provision for removal of turbidity must be made in domestic water supply systems. Color Color was determined for each of the monthly samples collected from April i960 through March I96I, and for the composites of daily sam- ples collected at Bend Bridge, Butte City, Wilkins Slough, and Freeport. Table I6 surmiarizes color data collected at six typiceJ. river stations and two tributaries. -53- • > /' • • / / • • • •X • • :/ / / -•— • — > / -•- / ••- / A /" A A 'i ^ o in o o K) o o If) cr iij > a: UJ < O < >- o < . CO 4 z < q: H O < I- Q CD 3 ro cvi O in o o o O CD. 03 o o CO o lO o "it s o cvj O CD 00 S3HDNI 'ADNByVdSNVyi UJ UJ UJ CO < _J UJ a: 3 -54- Table l6 COLOR IN SACRAMENTO RIVER AND TRIBOTARIES , I96O-6I Station • • '. River Mile ! • • Maximum • * Minimxim '. • ! Median Sacramento Rive] r Churn Creek 285.9 15 5 10 Hamilton City 199-6 25 5 IX) Colusa Bridge lUU.l 30 5 8 Above Colusa Basin Drain 90 . 5 20 5 5 Bryte 62.6 20 5 6 Snodgrass Slough 37.2 Tributaries ko 5 8 Coltisa Basin Drain 90.2R/0.3 50 5 18 Feather River 79 -9^0.7 25 5 8 In general, variations of color in the Sacramento River corres- pond with changes in turbidity. Higher values occur throughout the river during periods of heavy runoff, and in the lower reach during summer months. The I9U6 U. S. Public Health Service drinking water standards provide for a maximum of 20 color units on the platinum-cobalt scale. Requirements for color removal in domestic water supplies are less than those for turbidity removal and the two can generally be met simiiltemeously. Odor Taste and odor problems in water supplies are typically caused by organic materials in the water. Organic materials concentrations found -55- during this investigation by the carbon adsorption method and their re2-a- tion to tastes and odors are discussed in Chapter VIII, Appendix C. Threshold odors were determined on monthly samples collected from all stations from April I960 through March I96I. Median odor con- centrations increased from about one unit just below Shasta Dam to about four units below Freeport. Maximum odors were found in late spring which were generally two or three times the median concentrations. A lesser peak occurred during the early fall months. Concentrations at the mouths of the Feather and American Rivers were about the same as those in the river at those points. The longitudinal and seasonal variations of odors correspond closely to plankton populations in the river (Chapter VII, Appendix C) . Specific Conductance and Dissolved Solids Figure 8 shows historical variations in specific conductance of Sacramento River waters. At Redding, there is a tendency for higher values in the late fall and early winter and for lower values in the late summer although there are frequent departures from this pattern. Similar conditions occur at Hamilton City except that the maximum values usually occur a month or two later. At Snodgrass Slough, minimum values are found in the winter and early spring and maxima occur dxiring the late summer and early fall months, corresponding with the period when irriga- tion drainage is returned to the river. Figures 9 and 10 show monthl;y profiles of specific conductance and total dissolved solids at 22 river stations in I96O-6I. During the spring months, the river typically improves in quality as it flows down- stream due to snowmelt in tributary streams. During the balance of the year, water quality in the river degrades below mile ikO because 6f -56- REOOINC (2977) aA ,J A . .A r\ I \ t t3 V r \ V V •vv/ ^-.y^iui "1 rd vy \ C o M ^ ^-^\^ ^w I ^ HAMILTON CITY (199.6) « 140 4 120 O X z o IT O z I 100 z < 3 2 280 O O 260 o It 240 o UJ 3) 220 SN0D6RASS SLOUGH (372) 60 1952 1953 1954 1955 1957 1958 I960 Figure 8. SPECIFIC CONDUCTANCE IN SACRAMENTO RIVER I95I-I96I -57- 2 < K < I in \ 3 I I 1 -J 1 1 1 -J i 1 1 1 if S 1 i 1 O O o (E § 1 8 i -1 10 o IE V 1 i 1 1 O >^ i 1 o 4 s ii 8 oS a z 4 « 5 Z si 5 ' 1 o 4 1- > 9 CE RIVER MILES o a AP . . m * > JU RIL I960 Y I960 NE 1960 y' -« ■'^L 1^- rt^^T=g^ ^ . i — " ,,l -^^'=' __^ -■--.-I,--- 77 — 9 r= -' .» — rd -|=«=---TrT^ .__-_..!-- " — o JU — . AU --• SE U I960 GUST I960 PTEMBER I960 ^^.^^ e=^ 'i^= g^ft ■ — — c— (--^ ^- ^^ J^iip=p^i^ .?;— '"''^'^ -'' "^o. 1 o OC , ■ NO « . DE rOBER I960 VEMBER I960 :EMBER I960 > 1 f' =.==,-^11^ _, _- a-- -_ '-' -.- --- --"" Jl •' _^„ =^!!!; ='*?=»i-^ 9<^ _ = 1 ■— ' ■ ■ o o JA . . FE a ft MA SJUARY 1961 BRUARY 1961 RCH 1961 / ^ / ?^ =»==ir;tr: 1 .o / =^'^=JJ- <:l:^-- -^•----^ '^ ,___^ . -_-.^,.-^ •=.^^^i=. J ^■-- r,r,„i-^--^-\ * I « APRIL 1961 • . MAY 1961 ^ a a JUNE 1961 / -'»-. ^- ^» ~^o :z::':>^ )=-• a ^»-.^^^« =' --- -.^.^%^^--- sSi^^----^^ " Figure 9. RIVER MILES SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE- SACRAMENTO RIVER 1960-1961 -58- 30 5| S3 150 HIVER MILES 300 280 260 240 220 200 IBO 160 140 120 100 BO ^^^6*6 40 20 e « AP • ■ MA • • JU RtL I960 Y I960 HI I960 _ . _^— :«■*. _,,- \5X^.. 6-- ^--::rir^ — t-- ■ -^=------ ;^^S:>:n^ / 190 ^y^^z\ 1 ^ -'-y^ . . AU « ■ SE GUST I960 PTeMBeHI9« ^y ..^1:^ ^:P^ -*-- -ft------- 1 — -.- * --»--- - '-^ V) .— ►— TOBER I960 VEMBER I960 -ft----" a a — A"' . • NO -a--""' ' a- /* v> :t— - rs^gg^ 1 - - ^^^ ~ ~|- r ~« ^ ------nrtr; ^-^^^ r^^^:*^? ItO 160 140 RIVER yiLES SACRAMENTO RIVER WATER POLLUTION SURVEY Figure 10. TOTAL DISSOLVED SOLI DS — SACRAMENTO RIVER 1960-1961 -59- irrigation return flows. Below Verona water quality iniproves due to Feather and American River flows . The high degree of correlation between specific irrigation discharges and rapid increases in mineral constitu- ents is apparent from the figures. In the upper reaches, specific con- ductsjice generally varied between 120 and l^K) micromhos. At Bryte (mile 62.6), values ranged from 120 in the spring to about 220 during the summer and 260 in early September. American River flows between July and mid- September reduced these values by about 30 micromhos. Conductivity recorders were located at Red Bluff, Colxisa, above Colusa Basin Drain, Sacramento, Freeport, and Walnut Grove (Plate 1). Data from the recorders are shown on Figure T-1 at the end of this appendix. In addition, a recorder was installed at Isleton for a short period in I96I; data from this station are available in departmental files. The two upstream stations showed little change throughout the year except during periods of extreme flow variations. During the irrigation season, discharges from the pumping plant serving Reclamation District No. IO8 at mile 100. IR resulted in rapid changes at downstream recorders where the conductance typically increased by several tens of micromhos within an hour, remained at the higher level for varying periods of time, and then dropped to the base level. Comparison of the continuous record with daily sampling station data at Sacramento showed that slvigs of high con- ductivity waters due to pumping during off-peak hours at R. D. IO8 were typically missed in the daily sampling. The travel times of slugs can be readily determined from the continuovis records. These are discussed in Part 1, Appendix A. Coefficients of longitudinal mixing may also be determined from the continuous records, and it is recommended that a study of the data in Figure T-1 be undertaJien for such a determination. The persistence of high conductivity slvigs to at least Isleton clearly indicates -60- the possibility of using conductivity recorders to determine travel times, flow distribution, and mixing coefficients within the Delta itself between the point of diversion at the Delta Cross-Channel and the Tracy Pumping Plant. Specific conductance and toteil dissolved solids throughout the river were well within the limits for beneficial uses discussed in Chapter III. Relationship of Specific Conductance to Flow In a natural stream, specific conductance is typically inversely proportional to flow. Impoiondments and waste discharges often modify or eliminate the typical relationship. Figure 11 shows the relationships of specific conductance to flows at Bend, Butte City, Knights Landing, eind Sacramento. The figure indicates that, in the upper reach, conductance is relatively constant over wide ranges of flows. By the time the flow reaches Knights Landing (mile 90.4), the typiceil inverse relationship begins to appear, although there is a large amount of scatter in the data. At Sacramento, the re- lationship is better defined. Relationship of Specific Conductance to Dissolved Constituents The veLLue of specific conductance observations lies in their relationships to concentrations of various dissolved constituents . Where essentially constant relationships are found, continuous conductivity recorders provide the most complete information which is attainable on levels of dissolved minereuLs in a stream. Figures 12 and 13 show the relationships between specific con- ductance and total dissolved solids by residue and by summation of major ions, respectively. The difference between the two cannot be adequately -61- .•-?s>: .. \. ijf I- ■ ■ ■ niiiiliMiilli Rlvar Hat«r BiUutlvo aurvay 256.3 . »iiiiiint« IUt«t at Brad Srldga (U;; U I960 .'■'.': '^ •fjt ..*•■■ SMF^nto River Ueter Pollution 9iirvey 90. k - S«cr««nto River et KnKbta Uollng 1 (1951 to I960 aat>) 1 lO") 200 BICARBOimE (i>ib) Secr««Bnto River Weter Pellutlon Survey 166.2 - Seereaento River et Butte Clt]r (1955 to I960 d«t«) - T I •■ .* >'i ■ . ^■S-.• * <. * . .« ;, 59.fi - 3ftcr«B»nto Rlwr *t S*cramrnU> (1955 to I960 tet«) 1 BICARBORAn (ppi^ Figure 15. CORRELATION OF SPECIFIC CONDUCTANCE AND BICARBONATE -67- f ^ 1 1 .'":■•.'•• .. y - / » • ■ • • • : < > 5 ■■•. ' . . ■.^\. ••■:■■ •■ ■■.■,'•'■ Sacramento Rlv er Hater Pollution Survey S56.3 - Sacramento River at Bend Bridge 1 (1955 to i960 data) 1 1 1 I I 1 - - - 1 Sacramento RiTcr Witer Pollution Survey 168.2 - Stcranento River «t Butte City. (1955 to i960 Data) 1 1 .■r:u'..\':- ■••.!^ii = . Sacranento River Water Pollution Survey 90, li - Sacranento River at Knichts Undine (1951 to i960 Data) J_ 30 SULFATE (ppm) "lo 60 ' ,» • ..• • •• • . ^cramento lUvcr I'ater Pollution Survey 59«2 - Sacranento River at Sacranento (1955 to 1960 Data) 30 liO SULFATE (ppm) 4 50 Figure 16. CORRELATION OF SPECIFIC CONDUCTANCE AND SULFATE -68- 1 I - ! f - • Sacramento River '..'•lor Pollution Survey 256,3 - Jacrancnto liLvcr at Bend Bridge 1 (1955 to 1960 DaU) 1 I ' ■ — T 1 1 - - * ' • •--';•''■:.■•• Sacranento Ktver Water Pollutlcxi Survey 168,2 - bacmento iUvcr at Butte City 1 (1955 to 1960 DaU) 1 1 ■Tj- m •I Sacrotfnto River Hater Pollution Purvey 90.lj - Seervicnto River at Knights Landlnr (1951 to 1960 Data) I rc 31 1 I 1 • 1 ' : 1 • - •* ••* * ; • . : i. - .M- ;" *<* ■ , ' . • I ; i » ! - •* 1 Saeranenio Rlv 59.2 - Saerm (1955 er '-iater PelluUon Survey anto River at Saennanto to 1$60 DaU] 1 ■'IliLOtlDE (pin) ■znUTKXUl (ppp) Figure 17 CORRELATION OF SPECIFIC CONDUCTANCE AND CHLORIDE -69- I 1 1 - - - i 1 I - ■--.» • • Sacrajnento R iver Water Pollution Smvey 256.3 - Sacramento River at Bend Bridge , (1955 to i960 data) ii. Mi!" I!" 1 1 I - - - • i': - 1 SACRAMEMTO RIVEB WATER POLLOTION SURVEY 168.2 - Sacramento River at Butte City {aS55 to i960 data) 1 1 Sacramento River Water Pollution Survey 90.'+ - Sacramento River at Knichts Landing {1951 to i960 data) I 30 CALCIUM (ppm) ItO 50 •ir "II. Sacramento Rlvar Vatsr Bsllutlon Survey 59.2 - Sacramento Rlv«r at Sacramento (1955 to i960 data) 30 CALCIUM Cppm) >>0 50 Figure 18. CORRELATION OF SPECIFIC CONDUCTANCE AND CALCIUM -70- I'f "..' Sftcraaento Rlwr Water Pollution Survey 196.3 - Sacraaento River at Btod Bridge (1955 to i960 data) I 1 I - - - 1 SuraMDto Riwr W*t«r PeUutlon 3urwy 168.2 - Sacraaanto River at Butta City (1955 to 1960 data) 1 .:.f.. ^M- S«cr«»»tito Blvwr Mater Pollution Survey 90. h - Saenuanto River at KnU^t* Landing (1951 to i960 data) I \ i 1 I • I« ■.■■»•• ' - - 1 aaeraMQto Rlvar Ui i9.t - Saeivaata (1955 to 1 : .. 1 tar Pollution 9nrmy Ivar at Saeraaanto I960 data) to ■uoasniM (ppa) wumsiui (n.) Figure 19. CORRELATION OF SPECIFIC CONDUCTANCE AND MAGNESIUM -71- - 1 1 g - - § — * V •if'' - 1 Sacraraento Riv 256.3 - Sacramen (195 1 er Water Pollution Survey to River at Bend Bridge $ to I960 Data) W' V.*". 1 I 1 - - - 1 1 Sacramento EUver Wat-=T PolluUon Survey 168.2 - Sacramento River at Butte City (1955 to I960 DaU) 1 1 Sacramento River Water Pollution Survey 90.U - Sacramento River at Knights Landing (WSl to 1?60 Data) !!;:• liO 50 60 Sacramento River Water Pollution Survey 59.2 - Sacramento River at Sacramento (1955 to 1960 Data) SODIUM (ppm) 30 soon*! (ppn) liO 50 Figure 20. CORRELATION OF SPECIFIC CONDUCTANCE AND SODIUM -72- u. o UJ cc »- < (} < q: a: UJ o < > u> I o q: 0» z o 1- z UJ >- < V) III s z < X < o < o CVJ a> c o m • T3 o 3 C T3 m ^ _) • O u V) • E o o o t c o « > e -J C o (rt >£ ffi m ^ in m c o O o o o o o c c 0) > > o > * 9 E o z UJ o III o c a: o r o c o r a: o c • E M <> < C O c a> E S o o in _l E F €> E c E o o 9 u o o o o w U 3 J3 3 ^ o Tl o o o o \_ k. c 0 260 260 240 RIVER MILES lao 160 140 120 100 80 « • AP i ■ MA 4 ft JU RIL I960 Y I960 NE I960 \ V ■trrffr: ^-— ■-" -.;..- ft- " a-'" - •''"^ •^ ^'^^ -6 1—" ""' 1 »-■ -a 4--" » OCTOBER I960 . N0VEM8ER I960 a DECEMBER I960 '^ "^^ •7^ 1 B JANUARY 1961 • « PEBRUARY 1961 ^^ / •n ^_ -*■— , / v.'^-l -» — 4- .— •■=■--! rr^---_,. *~^»'P ..- -•'"s ^^<.* A'-^' rj^r--r^ "* k — =»-- — '.>^ «l ---■ ^^J^-- (_ I -.— HIL 1961 Y 1961 — NO BECOHO — ■ 1 MA • • JUNE 1961 60 40 160 RIVER MILES SACRAMENTO RIVER WATER POLLUTION SURVEY Figure 22. TOTAL HARDNESS - SACRAMENTO RIVER 1960-1961 -75- Table 1? HAEDNESS IN SACRAMENTO RIVER AND TRIBUTARIES, I96O-6I Station Maximum : Minimum : Median ppm : ppm : ppm Sacramento River Redding (297.7) Hamilton City (199-6) Snodgrass Slough (37-2) Butte Slough Colusa Basin Drain Sacramento Slo\;gh Feather River American River k9 k2 hk 58 kS hQ 67 hk 59 Tributaries 163 86 128 296 100 136 281 132 Ilk 61 31 k9 30 18 2k Major Cations Table I8 summarizes the I96O-6I concentrations of major cations in the Sacramento River and tributaries . Calcium and magnesium increased throughout the year between Keswick and Butte City because of the effects of influent ground water and several small tributaries, particularly Cottonwood Creek. From August through October I960, calcivim increases below Wilkins Slough were due to irrigation returns. Sodium generally increased throughout the length of the river. Irrigation return flows between Wilkins Slough and Sacramento caused a significant rise in sodi\am concentrations. Waters from the Feather Euid American Rivers reduced the concentrations below Sacramento. Potassium concentrations remained essentially constant. Figure 23 shows that increases in percent sodium occurred through- out the river below Butte Slough during all but the winter months. The -76- IS 3« ■ ■ AUGUST r960 a • SEPTEMBER I96C -/.X -*-.- -S^ f z 40 3 O O V) 1- ^n T UJ o a. u 0. 20 • o OCTOBER I960 • • NOVEMBER I960 a , DECEMBER I960 • . J« ■ • FE •■- • MA HUAHT 1961 BRUARY 1961 RCH 1961 ■ ■ /' X • »i=^;r^ «^^^^^ a a-- err.:: /. V^ -..J »-*- -—'='- v _-^ i aX^-a -. — -" \ 20 flIL 1961 Y 1961 NE 1961 — NO RECORD — t 1 MA a a JU 160 140 RIVER MILES SACRAMENTO RIVER WATER POLLUTION SURVEY Figure 23. PER CENT SODIUM— SACRAMENTO RIVER -77- high values at the lower end of the river are due to incursion of tidal waters . Cation concentrations and percent sodium in river waters down to Rio Vista were within various limiting criteria for beneficial use discussed in Chapter III. Table l8 MAJOR CATIONS IN SACRAMENTO RIVER AND TRIBUTARIES, I96O-61 'River [ April i960 - March I961 : Aug., : and Oc : Number Sept. t. i960 Station [Number :Weif 'tedtMaxi- :Mini- :Weighted Mile • of :Aver» e : miun : mum : of :Average .Samples : PPL. : ppm : ppm : Samples : ppm Calcium Keswick 305.7 21^ 10.3 12 9.6 6 10.1+ Butte Sloiogh 168.2 65 11.9 15 7.9 15 n.u Wilkins Slough 118.1 28 12.3 15 10 6 12.0 Above Sacramento Sloiigh 81.5 12 12.7 5 12 3 13.0 Bryte 62.6 52 12.5 x7 5.7 13 ik.i Freeport k6.h 60 12.5 17 8.8 14 lk.2 Rio Vista 12.8 ko 12.4 15 9.9 11 llf.3 Butte Slough 138. 9L 10 20.9 i^8 Ik 3 26.9 Reclamation District 108 100. IR 57 2i+.2 h3 21 2k 26.3 Colusa Basin Drain 90. 2R 12 23.7 k8 20 3 21+.6 Sacramento Slough 80. 8l 23 29.7 50 2k 6 31.1 Feather River 79. 9L 12 9-5 Ik 1.1 3 13.5 American River 60. kL 12 9.8 12 5.5 3 6.1 Magnesium Keswick 305.7 2U k.e ^^k 2.9 9 k.k Butte City 168.2 65 5.8 8.5 U.l 15 5.4 Wilkins Slough 118.1 28 5.3 8.5 k.6 6 5.5 Above Sacramento Slough 81.5 12 .6.6 9.k 5.i^ 3 6.8 Bryte 62.6 52 l.h 12 3.2 13 9.3 Freeport kS.k 60 6.9 11 k.2 Ik 8.1 Rio Vista 12.8 ko 7.2 10 k.l n 8.2 Butte Slough 138. 9L 10 13.3 20 6.6 3 16.9 Reclamation District 108 100. IR 57 22.2 k8 17 2k 23-9 Colusa Basin Drain 90. 2R 12 17.2 k3 12 3 18.0 Sacramento Slough 80. 8L 23 20.8 38 15 6 23.7 Feather River 79. 9L 12 i+.O 6.9 2.8 3 6.0 American River 60. kL 12 9.7 5.J+ 0.8 3 1.0 .78- Table l8 MAJOR CATIONS IN SACRAMENTO RIVER AND TRIBUTARIES, I96O-6I (continued) 'River April i960 - 1 March I961 : Aug., : and Oc :N\jmber Sept. t. i960 Station Number :Weighted:Maxi- :Mini- : Weighted Mile of : Ave rage : mum : mum : of :Average Samples : ppm : ppm : ppm : Samples : ppm Sodiim Kesvick 305.7 21+ 6.5 7.7 5.1^ 6 6.0 Butte City 168.2 65 l.h 9.8 6.0 15 7.3 Wilkins Slough 118.1 28 8.1 10 6.3 10 8.7 Above Sacramento Sloiogh 81.5 12 10.9 18 7.0 3 11.1 Bryte 62.6 52 10.1+ 21+ 3.h 13 16.2 Freeport 1+6.1+ 60 10.8 20 5.7 16 lh.3 Rio Vista 12.8 1+0 11.6 19 5.9 11 11+.1+ Butte Slough 138. 9L 10 16.5 26 9.0 3 21.0 Reclamation District IO8 100. IR 57 177 196 1+0 21+ 70.3 Colusa Basin Drain 90. 2R 12 53.5 172 1+1+ 3 1+6.5 Sacramento Sloiagh 80. 8l 23 2I+.8 82 8.6 6 i+1.5 Feather River 79. 9L 12 3.6 l.h 2.7 3 6.0 American River 60.1+L 12 U.o I'h 1.6 3 2.6 Potass i\am Keswick 305.7 21+ 1.3 1.6 0.8 9 1.1 Butte City 168.2 65 1.1+ 2.1 0.9 15 1.3 Wilkins Slough 118.1 28 1.1+ 1.7 1.1 6 1.1+ Above Sacramento Slough 81.5 12 1.3 1.8 1.0 3 1.3 Bryte 62.6 52 1.1+ 1.8 0.9 13 1.5 Freeport 1+6.1+ 60 1.2 1.6 0.5 11+ 1.3 Rio Vista 12.8 1+0 1.1+ 1.8 1.0 11 1.1+ Butte Slough 138. 9L 10 2.1 3.2 1.1 3 2.2 Reclamation District IO8 100, IR 57 1.5 2.5 1.0 21+ 1.7 Colusa Basin Drain 90. 2R 12 2.1 6.0 1.3 3 1.7 Sacramento Slough 80. 8l 23 1.6 2.8 0.9 6 1.5 Feather River 79 •9L 12 0.8 1.6 0.6 3 1.5 American River 60.1+L 12 0.9 1.1 0.6 3 0.9 Major Anions Average concentrations of bicarbonate, sixlfate, and chloride in the Sacramento River and its tributaries in I96O-6I are listed in -79- Table 19 . Figures 2k and 25 show variations in bicarbonate and chloride concentrations, respectively, in the river during the same period. The effects of natursQ. tributary streams, seasonal discharges of irrigation return flows, and tidal waters upon the major anion concen- trations are consistent with the effects upon the cations discussed above. Similarly, anion concentrations of river waters meet the criteria for various beneficial uses. Table 19 MAJOR ANIONS IN SACRAME3frO KEVER AND TRIBITPARIES , I96O-6I River : April i960 - March I96I I • Aug., and Oc Number Sept. t. i960 Station : Number :Maxi- :Mini-: Mile > of iAverage : mum : miflu : of JAverage [Samples . ppm : ppm : ppm : Samples ; ppm Bicarbonate Keswick 305. 7 23 6k.b 106 59 6 61.5 Butte City 168.2 6k 69.6 102 57 15 69.1+ Below Wilkins Sloiogh 118.1 16 70.8 90 60 1+ 7I+.I Above Sacramento Sloijgh 81.5 n 78.7 100 67 3 86.1 Bryte 62.6 57 76.0 m k2 15 89.6 Freeport 1+6. U 57 Ik.l 115 h3 16 90.1+ Rio Vista 12.8 28 Ik.l 107 ^k 9 92.7 Cottonwood Creek 272. Ur 12 110.0 1^5 9h 3 98.7 Mill Creek 229. OL 12 k-J.k 9k 3k 3 69.7 Stony Creek 135. IR 6 135.1 170 126- - no flow - Butte Slough 138. 9L 9 li+8.9 243 126 3 199.5 R. D. 108 Drain 100. IR 9 203.6 1+03 160 3 238.0 Colusa Basin Drain 90. 7R 10 173.5 308 129 3 188,0 Sacramento Slough 80. 8l 21 172.8 272 77 6 233-5 Feather River 79 •9L 12 50.9 81 1+0 3 78.5 American River 60.i+L 12 33.3 37 21+ 3 25. Sulfate Keswick 305.7 12 3.6 5.1 1.8 3 3.0 Butte City 168.2 52 5.9 15 3.1 12 5.1 Below Wilkins Slo\;igh 118.1 •16 5.9 8.U 3.1 1+ 1+.8 Above Sacramento Slough 81.5 n 9.9 20 k.9 3 9.0 Bryte 62.6 .53 9.2 23 1+.6 15 10.8 Freeport k6.h k6 9.0 16 3.0 10 10.1 Rio Vista 12.8 28 n .0 Ik ^.k 9 9.8 -80- Table 19 MAJOR ANIONS IN SACRAMENTO RIVER AND TRIBUTARIES, I96O-6I (continued) [River ! April i960 - • March I96I '. • Aug., and Oc ^vmiber Sept. t. i960 Station [Number :Maxi-: Mini-: ; Mile : of ! Ave rage : mum : mum : of [Average Samples ; ppm : ppm : ppm : Samples . ppm Sxilfate (continued) Butte Slough 138. 9L 9 7.5 11 k.l 3 6.1 Reclamation District IO8 100. IR 8 8U.7 210 57 3 89.3 Colusa Basin Drain 90. 7R 10 63.1 177 k6 3 47.3 Sacramento Sloiogti 80. 8l 10 11.7 17 6.1 3 11.8 Feather River 79. 9L 12 3.7 6.1 1.6 3 3.7 American River 60.1+L 12 1-7 2.8 0.8 3 1-9 Chloride Keswick 305.7 23 2.8 5.5 1.5 6 2.3 Butte City 168.2 63 3.6 6.8 0.7 11 3.0 Below Wilkins Slo\agh 118.1 28 U.o 10 2.k 9 3.1 Above Sacramento Slough 81.5 11 6.0 10 3-9 3 5.5 Bryte 62.6 6k 7.1 18 2.k 15 9.7 Freeport 1+6. U 56 7.7 13 3.5 16 10.0 Rio Vista 12.8 ^h 8.5 12 k.k 9 10.2 Cottonwood Creek 272. IfR 12 5.9 3.2 3 4.5 Mill Creek 229. OL 12 9.0 5.0 3 24. 5 Stony Creek 135. IR 6 17-9 16 - no flow - Butte Sloiigh 138. 9L 9 11.5 6.U 3 9.0 R. D. 108 Drain 100. IR 56 36.6 19 2k 36.0 Colusa Basin Drain 90. 7R 10 28.1 22 3 24.9 Sacramento Slough 80. 8l 21 24.1 5.0 6 32.8 Feather River 79. 9L 12 1.7 1.2 3 2.0 American River 60. kL 12 3-1 1.1 3 1.6 Minor Constituents Fluoride Fluoride concentrations in the Sacramento River diiring I96O-61 varied from 0.0 to O.3 ppm and were accordingly well within the maximum levels specified by the CeuLifornia Department of Public Health (Chapter III) "81- s s < l/> < X w s I 1 ! "^ 5 i -J -J i 1 1 5 1 Or % o 1 i -J 1 i i o o o 1 5 _J O s o: 5 S 1 i i O s- i 1 < i o ii oS O z •I _J I z p 1 3 O i a JU . . 4U • 1 SE LY I960 GUST I960 PTEMBERI960 y^i ^^ ^. J «*= =«=—♦- -«=-= a- •^"^'''^'''^' \.^- < « z o < 1 a- a m^*- .,^ . . NO t. 1 0£ KEMBER I960 :EMeER I960 — U=-— «-- _fi -a " a i- . ,_ ,^ ~~a-a- ■^a .— — ^' »6 -'^ 1 ■- 20 1 o o JANUARY 1961 « « FEBRUARY 1961 • • MARCH 1961 ^ --^.^ ^v^^ \~ — a>i ^i^-- . ^ — =»— i =^ -=^!: ^^--^\ .-5:= = «:=-- «*-^ r-1>-^ o o AP ■ » MA « « JU RIL 1961 Y 1961 NE 1961 ./• -c ~^-,.»- ■a a . ^-a— a fc: ^=:=:.':i: = ,=-^ S£=7^J= ^.^^f:i=; =■- '- '"" i — - ■~~~~~- ,-0' B— 300 280 240 220 RIVER MILES SACRAMENTO RIVER WATER POLLUTION SURVEY Figure 24. BICARBONATES - SACRAMENTO RIVER 1960-1961 -82- |5 J* 5« Riven MILES 300 290 260 240 220 2t/J (80 160 140 120 100 80 60 40 20 • • AP ■ . MA . , JU RtL 1960 Y I960 NE [960 -.<^\ 1 nn ♦^ :8— -.-■- 1 1^ -tr t •'- — " " • •-•■ — • — '^/ :l^;;^S^ i -'•-" r » » AU • * SE GUST I960 PTEMSER 1960 •..===- — :<^ " "^ .... y -_| •-' • » oc . , NO 4 A DE TOBER I960 VEMSER I960 :EMBER I960 _. _■ =1^^--=^ KTZ-—''- :-— lrr=. ■^^ ._ -^---^ ;^^^r; ^^ -^ :^-- ^^-=!^=- •''— ^jrr; ?^ 1— ^-o I » JANUARY I96l !• 1 • FEBRUARY r96l / » » MA RCH 1961 -• / .o- . / "-^m. ** = --. . -^-^-; <.-._. '.'-'' »5= li t=a «=-»= =8- — -;^-^ ^^^1 i»=— -—^ 1=^*" • • AP • • Ml • • JU AIL 1961 T 1961 NE 1961 '^."'^ » !/ rs^ ,.--i.^tg~ ,^' --- t ,^ i--y ,-- — • ^^^^^= -I ^- :!—-.--• , rl=- -. V*KJ» »— - '-*— _--*T 260 260 240 220 160 140 RIVER MILES SACRAMENTO RIVER WATER POLLUTION SURVEY Figure 25. CHLORIDE - SACRAMENTO RIVER 1960-1961 -83- Silica Median concentrations of silica in the river ranged from 24 ppm above Redding (mile 297-7) to 20 ppm at Snodgrass Sloijgh (mile 37-2) during I96O-61. The decrease reflected the lower concentrations in irri- gation returns and tributary flows, particularly the American River with an average concentration, of about 10 ppm. Boron Boron concentrations throughout the river averaged 0.1 ppm during I96I-62. Irrigation drainage showed somewhat higher content, especially return waters from Reclamation Districts No. 70^ I08, and 787 with con- centrations of a few tenths of a part per million where connate ground water is considered the most likely source of the boron (see Part 3; Appendix A) . Water in the Natomas East Main Drain, which receives irri- gation, domestic, and industrial wastes, averaged 0.i^ ppm. All of the river water and most of the irrigation return waters had boron concentra- tions within the limits for Class 1 irrigation supply water. Phosphate Both orthophosphate and total phosphate concentrations were determined and reported as P0i|. Total phosphate was generally 0.1 ppm above Sacramento and from 0.2 to O.k ppm below Sacramento. Essentially all of the phosphate was in the ortho form, although some polyphosphate occurred below Sacramento. Nitrogen Concentrations of ammonium, nitrite, and nitrate ions and of organic nitrogen were determined throxighout the river during the survey period. -Qk- Median veLLues of ammoniiam were 0.0 ppm above Sacramento, about 0.05 ppm from Sacramento to Walnut Grove, and 0.1 ppm from Walnut Grove to Rio Vista. Maximum concentration of from O.3 to 0.8 ppm occurred in the upper reach in October I96O. Below Butte City, maxima of 0.2 or O.3 ppm were found at various times of the year. Concentrations in irriga- tion drainage from Butte Slough, Colusa Basin Drain, and Sacramento Slough averaged about 0.1 ppm. Ammonium was almost always absent in Feather and American River waters . Nitrite was found rarely, and then in concentrations of 0.01 or 0.02 ppm. Nitrate concentrations were generally between O.5 and 1.0 ppm with a tendency for the higher vEilues in the river below Sacramento and in irrigation drainage. The lowest concentrations, which averaged 0.2 and 0.3 ppm, were found in the Feather and Americsm Rivers, respectively. Organic nitrogen in the river averaged about 0.1 ppm above Sacramento and between 0.1 and 0.2 below Sacramento. Irrigation drain- age typically contained 0.2 and O.5 Ppm organic nitrogen. About 0.1 ppm was found in the Feather and American Rivers. The months of J\me, August, and September i960 and January and February I96I, were arbitrarily selected to compare summer and winter nitrogen relationships . Total nitrogen in the river during both seasons generally varied from 0.1 to 0.14- ppm above Sacramento and from 0.35 to 0*55 ppm below Sacramento. Inorganic nitrogen was relatively constant while organic nitrogen concentrations approximately followed the plankton populations. Inorganic nitrogen to phosphorus ratios showed a wide varia- tion with typical summer values of 6:1 and 2:1 above and below Sacramento, respectively. Comparable winter figures are 14- :1 and 3:1' -85- Heavy Metals Concentrations of heavy metals in the Sacramento River found since 1952 in the department's surface water quality monitoring program have varied rather markedly but within the limiting U. S. Public Health Service standards for drinking water (see Chapter III). However, toxic metals in acid mine wastes from Spring Creek (mile 302. 3R) have long been suspected of contributing to fish mortality in the river during the winter when high flows occur in the creek and minimum flows are being released from Shasta Dam (l) . In order that this threat be removed from the river, a dam has been constructed by the Bureau of Reclamation about one-half mile from the mouth of the creek. When filled, in I962-63, Spring Creek Reservoir will hold 6,500 acre-feet of water which can be released at rates which will provide for adequate dilu- tion by flows in the Sacramento River. During the present investigation, concentrations of heavy metals were determined monthly on Spring Creek and on the upper reach of the river. The results of the determinations are compared with historiceil data in Table 20. -86- Table 20 HEAVY METALS IN THE UPPER SACRAMENTO RIVER AND IN SPRING CREEK : Sac ramento River"^ : Spring Creek Constituent : Maximum : Maximum : Median : Maximum : Median : (1952-60) : (1960-61) : (1960-61) : (1960-61) : (1960-61) Iron (Total) i^38 Iron (Dissolved) 0.31+ 0.80 0.05 308 116 Alinninum 0.31 0.49 0.0 133 33 Arsenic 0.01 O.OI+ 0.00 0.32 0.00 Chromium (Hexavalent) 0.1 0.1 0.00 0.00 — Chromium (Total) 0.04 — Copper 0.07 0.13 0.00 15 3-h Lead 0.09 0.03 0.00 0.66 0.03 Manganese 0.01 0.29 0.00 2.6 0.79 Zinc 0.09 0.10 0.2 136 26 * Redding to Bend Bridge. Table 20 shows the effects of Spring Creek upon heavy metals in the river. Concentrations in the creek begin to increase in late spring or early summer, remain at a high level for about five months, and then decrease rapidly when winter rains begin. Large quantities of heavy metals are typically discharged to the river diiring the first rains of the winter season (l) . Concentrations of heavy metals in the river in part reflect Spring Creek but mostly they show variations caused by operation of Shasta Dam. The effects of Spring Creek, although they are small, extend for at least 46 miles . -87- Detergents Analyses for gdJiylbenzenes\J.fonate (ABS) detergents in waste discharges to the Sacramento River are summarized in Table 21. Table 21 CONCENTRATIONS OF ABS IN WASTE DISCHARGES TO SACRAMENTO RIVER, I96O-6I "" ' : No. of : Median : Range Waste Discharge : Analyses; (ppm) ; (ppm) Redding Sewage Treatment Plant Red Bliiff Sewage Treatment Plant West Sacramento Sewage Treatment Plant Sacramento Sewage Treatment Plant Meadowview Sewage Treatment Plant Isleton Sewage Treatment Plant Rio Vista Sewage Treatment Plant Americam Crystal SiJgar Company ABS concentrations in the river were determined throijghout the year on the monthly program and during the first upper reach and first and second lower reach intensive sampling program. One -tenth ppm ABS was fo\xnd in the river downstream from the Redding Sewage Treatment Plant discharge about six percent of the time. Downstream from the Sacramento Sewage Treatment Plant (mile ^k.lL), 0.1 ppm occurred about half the time at Freeport (mile k6.k) and about one fifth the time at Rio Vista (mile 12.5). Detergent was reported about 65 percent of the time at Mayberry Slough (mile k.O) where concentrations of 0.3 ppm were reported on five occasions, but the lack of significant sources in this area suggest that there was some interference with the test. -88- 33 5 1-7 - 8.9 33 5.h 2.0 - 8.8 36 8.2 k.Q - 15 16 k.O 2.0 - 8.0 1* 14.0 10 2k 19 k.Q 0.2 - 5.9 21 6.1 0.1 - li+.O 16 0.2 0.1 - 0.6 Miscellaneous Organic Materials The occurrence of organic material collected by the carbon adsorption method is discussed in Chapter VIII, Appendix C. Ether solubles generally ranged from zero to five ppm through- out the river with no marked seasonal or geographic trends. The consistently high values found in June i960 throughout the river and in the discharges are anomalous and may be due to contamination of the sampling equipment or to analytical error. Of 292 monthly determinations of phenols in the river, 256 were reported as zero parts per billion (ppb) and 20 were reported as 1 ppb. From 2 to ^ ppb were found in 13 samples with no apparent seasonal or geographical trends . Ten ppb were reported for April I96O at Clarksburg (mile h3.k) and Walnut Grove (mile 27. U) and for May I960 at Snodgrass Slough (mile 37-2). Three samples were analyzed for hydroxylated aromatic compounds by the tannin and lignin method. At Redding (mile 297.7), 0.0 and 0.1 ppm were reported for December 7 and 13, I96O, respectively. Below Red Shift (mile 2i(-1.0), 0.1 ppm was found in December 8, I96O. -89- CHAPTER V. OXYGEN RELATIONSHIPS The level of the dissolved oxygen concentration in a stream is one of the indications of its suitability for use. Dissolved oxygen contributes to the potability of a domestic supply and it assists in stabilization of organic material with the result that the water is pleas- ing to look at, sustains desirable fish and aquatic life, and promotes recreational activities. Discharges of organic wastes and certain chemi- cal pollutants lower the dissolved oxygen levels in streams. The Sacramento River provides for multiple uses and maintenance of adequate concentra- tions of dissolved oxygen is according essential. Sources of Pollution The locations of waste discharges are shown on Plate 1. Part 3, Appendix A contains a discussion of municipal, industrial, and agriciil- tural discharges and presents, for each discharge, the types of waste received, type and size of facility, quantity sind quality of discharge, and, where applicable, population and area served. The following paragraphs deal with the flows and organic loeid- ings discharged by the various facilities to the Sacramento River. Municipal Wastes Table 22 summarizes the flows and 5-day biochemical oxygen de- maxid (bod) loadings from the eight sewage treatment plants that discharged directly into the Sacramento River. The 1-day figures were obtained during the monthly sampling program and ^-day averages are for the periods of the intensive sampling surveys. -91- ^> ^3! ^^ ^^i & *|5( I ft o q □ « H ^ s , a Q ii" q a f r4 H 3 9 9 9 fd 8 a a 3 9 21 § 21 i3 AS o m 5S CM ir»m inosm fOCT^CO n »^ -§ im 0\m -d- o ^,- mo mScj ss S'S^ lAlA dK ^ss 1 ^ H § o o\ ^ s si an s'i 3f vo r- t- 1 1^ 2 so-* m m &^ S ^ S CTNtfN 8 C7\ 8 o (-KX) !^H J- u\ VOCO t- -* t-oo R UMTV 9.S 5^ 3^ 53 rAS rt3> S^ S 5R mo « w m Ho-* R^ voS ■§8 HCTv t-OCO M >-( OJ OJ a H VOVO 5 a \i Q\ mo 3^ IfNvB Ol H m 8 3^ \oS P- -S O < •iR §^ irvOiOJCVI cy cy o ■-< oo O HO t- t- v^ cy m OJ ir\ 5 tri q\ o m iTv m ^ H H H iH H § S 2 9 5 WH o\0 etfcy wo o< S O O O O H P- 5 CO SO vo so S 3 § cr»o OH cy t^ cy vo i^8 !ja ® H m 3 invo CO 3r- aS m cj\ gfJaT -* ma\ w as s 3,^ 9 g § g ^ I S »8 C -92- In genereil, the daily discharges of BOD from each plant varied from 50 to 150 percent of the overal 1 average and the total highest load- ing on the river occurred during the late summer and early fall. Figure 26 presents diurnal variations in hourly BOD loadings from the four largest sewage plants. The ratios of maximum and minimum hourly loadings varied from about 12:1 at Red Bluff to 1.5:1 at Sacramento, indicating the inverse relationship of the variations to the size of the plant. Industrial Wastes Most of the industrial wastes produced along the Sacramento River are discharged to community sewerage systems and cause the large seasonal loadings to the river. There are only two significant industries which discharge directly to the river. The Diamond National Corporation, producer of molded paper pro- ducts, is located two miles south of the City of Red Bluff. Waste water discharged from the plant comes from a 26-acre log pond and a double baf- fled three-chamber settling pond. All of the wastes eventually reach Red Bank Creek which enters the river at mile 2i|1.9R. The monthly sampl- ing of Red Bank Creek showed variations in BOD of from k to 107 ppm and in flow of from 0.6 to 12 M}D. The average organic loading was 925 pounds per day and the maximum was 2,200 povinds per day in April i960. The American Crystal Sugar Company beet sugar processing plant discheurges wastes from a 5-acre pond into the river at mile '4-3'3R' Monthly sampling indicated an average flow of 3.27 MOD, an average BOD of ^38 ppm, and an average of 11,960 pounds per day of BOD discharged into the river during the period of operation from Aiogust 9 to December 1, i960. -93- REDOING SEWAGE TREATMENT PLANT RED BLUFF SEWAGE TREATMENT PLANT ^\ Jlj M£ 6 10,19 ;o — 1 1 1 ^ [ A 1 1 \ h V. V V ^-\ / 1 1 oc TOBER 3-7 1 ,1960 ^ / 1 \ / 1 \ / 1 ' ^ \ / / \^ \ ■ — / \ y 1 / \^ -JUNE 6-10, I960 t \ / \ f ,s /' s, / 1 / / 1 ::^ ~\ 1 / »^ 1 \ ^^ \, 1/ \ 1 ^OCTOBER 3 7, I960 \\ 1 V \ / 1 // n". // \ ^^ y — ■ / 12 HOURS 20 2") 12 HOURS WEST SACRAMENTO SEWAGE TREATMENT PLANT SACRAMENTO SEWAGE TREATMENT PLANT /-• ^^^^ / V / "^x. JUNE 20- >4, 19 60^ / \ \ \ 1 / / / fiZV >BER 23-2 S. 196 I 1 i 1 , J- ^^_ 1 \ 1 1 I 1 I I \ / ^, \ \ \ ll 1 ll V ( \ \ \ 11 i/ / 4 -< ^'~- V' / 1 / / \ •AUG. 28-! EPT. 2,196 ) \\ / 1 1 \ /; \ ^ /' N V J / > / .J AU( . 28- !EPT 2,I9« 0-v, \ /' \ \ \ > y \ V / -— ^-'* S s, / / ^^ ^ '— - -^' / ^ . \ < ■ ■^ 20 ^ ^ _^ y •s ^OCI OBER 23-; 9, I9C . 12 HOURS Figure 26. DUIRNAL VARIATIONS IN B. 0. D. LOADINGS DISCHARGED BY SEWAGE TREATMENT PLANTS -94- Data were collected from American Crystal Sxigar Company on two intensive siirveys. During the period Avigust 29 - September 2, I960, the average flow was 3*39 MGD, the maximiom BOD was 555 ppm, and the maximum BOD loading was 1^^,832 poxmds per day. During October 2l+ - 28, I96O, average flow was 3*80 MaD, maximum BOD was 532 ppm, and the maximum load- ing was 13 >^^ pounds BOD per day. Irrigation Drainage Irrigated agriculture presently comprises the greatest demand upon the total water supply in the Sacramento Valley. Irrigation return flows characteristically have lower dissolved oxygen aiid higher BOD con- centrations than waters in the Sacramento River. This means that, althoiogh there is edways a surplus of oxygen over BOD in the drainage waters, the net effect is to reduce oxygen levels in the river. During the process of irrigating farm lands, a number of factors chemge the oxygen relationships that originally existed in the diverted river water. The important factors are increases in water temperature, increases in suspended and dissolved material, increases in the number of aquatic plants, and changes in the plant metabolic activities. It will be shown later in this chapter that these cheinges in plant metabolism can be quantitatively related to the changes in oxygen levels in the drain- age water and qualitatively related to the effects of drainage waters in the river. The drains that discharge agricultural return water into the Sacramento River are shown in the following tabulation. -95- Table 23 BOD IN IRRIGATION RETURNS TO SACRAMENTO RIVER, 1960-61 Discharge : River : : Mile : Mean Yearly Flow (cfs) : 5 -Day BOD, ppm :Mininium:Maxiiinjm:Average Butte Sloiigh 138. 9L 253 O.U3 2.80 1.80 R. D. No. TO 121+.2L 2k 1.15 3.22 2.35 R. D. No. 108 100. IR 150 1.13 i+.io 2.78 R. D. No. 787 93. 6r 30 1.70 i^.53 2.53 Colusa Basin Drain 90. 2R 565 0.35 3.30 2.1+7 Sacramento Slough 80. 8l 505 0.3h 2.1^1+ 1.69 R. D. No. 1000 66. 3L gravity if.65 7-37 5.78 Natomas Main CanaJ. 61. 5L 18 0.90 7.50 3^h8 Natomas East Main Drain 60. 6l gravity 1.29 16.00 6.62 The largest irrigation return to the Sacramento River is Colxisa Basin Drain which discharged an average of 7^520 pounds BOD per day. The maxinnmi organic load observed was 27,3^0 pounds per day on May 2, i960. Sacramento Sloiigh and Butte Slough discharged average BOD load- ings of k,600 and 1,910 povmds per day, respectively, and maximum load- ings of 10,080 and 8,180 pounds per day. The remaining drains are less significant, with^a combined maxi- mum loading of 6,1+50 pounds of BOD per day. Tributaries Tributary streams, although carrying both natviral BOD and some wastes, are an asset to the oxygen resources of the Sacramento River. -96- The Feather and American Rivers are the major tributaries and both at times have flows in excess of those in the Sacramento. Table 2U DISSOLVED OXYGEN, BOD, AND TEMPERATURE IN -FEATHER AND AMERICAN RIVERS, I96O-6I ; Feather River ( 79.9L/O. 7) ; American River (60.4L/0.2 ) ; Maximum rMinimumtAverage ;Maximum :Minimum:Average Flow, cfs 20,900 U95 1+,110 U,560 510 1,831 Dissolved Oxygen, ppm 12.6 7-7 9.I 13.5 8.U 9.9 ^ Saturation 110 9I 98 132 86 102 BOD, ppm 2.09 0.35 1.13 6.70 O.kk 2.1+6 Temperature, "F 88 U6 68 72 1+8 62 Dissolved Oxygen Concentrations of dissolved oxygen were determined by the pro- cedures described in Chapter II of this appendix. Percent saturation veilues were computed from oxygen solubility tables in the eleventh edi- tion of Standard Methods for the Examination of Water and Wastewater . Longitudinal Variations Dissolved oxygen concentrations were determined monthly at each of the 22 river stations from April I960 to June I96I. Throughout the period, oxygen concentrations typically increased by one or two ppm be- tween Keswick Reservoir (mile 300. 9) and mile 285-9, corresponding to increases from 80 or 90 percent saturation to about 100 percent satura- tion. From mile 285-9 to mile k.O oxygen levels decreased; however, differences in the time of day samples were taken made the monthly data of limited values for detailed analysis. -97- The best data on longitiidinal variations were obtained diiring the intensive surveys. Figiore 27 shows the average temperature and dis- solved oxygen in the Sacramento River observed on the seven intensive surveys. These surveys covered the period May thro\agh October and gross seasonal differences are apparent on the figure. The data are neverthe- less consistent and clearly show the overall pattern of oxygen levels in the river. Temperatures rose at a decreasing rate from about 55° at Redding (mile 297«7) to some 60° or 70* at Sacramento (mile 62.6), depending on the season. After being cooled by Americein River inflows at mile 6o.i»-, temperatures remained essentially constant for 20 or 30 miles, and then increased loceilly during the summer months in the area of maximvan ciirrent reversals due to tides. Dissolved oxygen concentrations were between 10 and 11 ppm near Redding and decreased more or less uniformly throughout the river. The sag below Sacramento is apparent, with averages between 7 and 8 ppm and minima (which are not shown) between 5-2 and 6.5 ppm. The minimum of 5.2 ppm is close to the 5 PPm stated in Chapter III as limiting for fish migration. The recovery below the sag was generally to a level less than the initial concentration. Figure 27 shows that oxygen saturation values started out at 98 or 99 percent, rose somewhat while the effects of heating were domi- nant, and then began a steady decline to the mouth. Again, the sag below Sacramento is apparent. In genersil, the river losses oxygen from Redding to mile k at the confluence with the San Joaqiiin River. Below Sacramento, the oxygen relationships are complicated by tidal action which results in flow retardation throughout the reach and -98- DISSOLVED OXYGEN ( p«r cent Mturotlon) DISSOLVED OXYGEN (In portt p«r milljonl -^ OD 10 ^ TEMPERATURE (in degrw* Fohrmhwt) o o o O O ro m > o m m 3J H m 3) > H C iO m o -< > o > m H O < m V i X I t 2 a ^,> y / /j / i 1 // 1 / , 1 / / ■ / / / ; / I 1 ^ 1 \ < r /% >^ ^^ u I * ; £ -99- flow reversals throughout the lower M+ ± 3 miles. The maximxm extent of flow reversal occiors at about Isleton (Part 1, Appendix A) . The oxygen sag below Sacramento is shown in more detail on Figure 28 which presents slack-water profiles of dissolved oxygen concen- trations at high high water (HHW) and low low water (LLW) for each of the three intensive surveys. The times of slack water were determined from times of HHW aoid LIW listed in Table 25. The tabulated values were smoothed graphically, and corrected for the 30 minutes by which slack water follows the tidal stages (8) . Dissolved oxygen concentrations which occurred within 30 or ^4-5 minutes of slack water are plotted on Figure 28. The figure shows how the sag is shortened during HHW slack and lengthened at LIAf slack, and that lower concentrations are associated with the HHW slack. The scatter of points tends to be greatest just upstream from the sag point. Diurnal Variations Figure 29 shows saturations of dissolved oxygen throughout the river observed on the seven intensive surveys. Data from four days eire combined into a single 2^4— hour period. Field crews were changed at about noon and midnight and some of the data from these 12-hour shifts was re- jected as shown on the figure. On some occasions, the values obtained were considered adeq.uate for purposes of averaging but were \mcertain on an individual basis and are so indicated on the figure. The classical pattern of dissolved oxygen variations in natural waters shows a minimum just before dawn and a maximum in mid-afternoon. Figure 29 shows that freq.uent departures from this pattern occur in the river ajid that these departures axe associated with particular groups of stations during individual intensive survey periods. The usable diumsQ. -100- HIGH HIGH WATER LOW LOW WATER lO.Or 90- 8 ■ 7.0 ■ «0^ o ?t^ 4^^ ^Wj &:^ v^ JUNE 20-24, I960 O® ® I *5^ o o ^^r- ^ 8- o 5 o o ■ lOOr Z uj 90 - SO- TO - > o t.O^ \'-: ^\ <- < • • / / / ~»>.* ( oc RPF^n.'X) O00Oj>- :k AUGUST 29-SEPTEMBER 3,1960 '^^^ S4 O o n.. 31 yi 7.0- "^^ fe ©i v: .♦^v.. /•• ^^. tr•^^~ OCTOBER 24-28,1960 D® d) ® 40 30 20 RIVE R 10 60 ok) "\ >. >?3' o < o o i-;^^ '&V 0^ A^ D® ® ® 40 30 20 10 MILES (T) (604) Americon River (D (58.0) West Sacromenio S.TP. @ (54.1) SocroiTKnto S.T.P (4) (43.3) Am«ricon Cryitol Sugor Co. O ± 30 Min o + 45 Min. • Hourt 0( Oorknttt Figure 28. SLACK WATER PROFILES OF DISSOLVED OXYGEN BELOW SACRAMENTO -101- Table 25 0B3EHVKD TIDEB IN aACBAfffiNTO KEVER DURINO DITENSIVE SURVEYS, I96O (Elevations Based on U30S Datum) Date 1 ; , Tbreemile i I Snodg rase : I : ! Sacramento (Average : flew at I .Oollinsville, SlO i")^ » Rio Vista , Isleton Walnut Orove." 3I0 '".i ' Clarksburg , Freeport , Sacramento , Weir Stage I (Mile -0.2), (Mile 9.2) : (Mile U.8) : (Mile 1.7.5) . (Mile 26.7) ; {Mile 37.1) . (Mile ♦2.9) , (Mile .8.9) : (Mile 59.6) ; (Mile 63.6) Sacrajnento) 1 :P.3.T. :Elev.: P.S.T. lElev.: P.S.T. lElev.: P.S.T. :Elev.: P.S.T. lElev.: P.S.T. :Elev.: P.S.T. lElev.: P.S.T. Elev.: P.S.T. Elev. I P.S.T. Elev. 6/20 HSf 001)0 3.1)0 0120 3.38 0120 1..03 0030 3.50 031*0 3.70 0300 3.58 0250 1*.08 0320 3.90 01.20 i..to 01.30 I..80 (9,1)00) LLW 0820 -1.00 0900 -1-33 0910 -0.90 0920 -0.98 101*0 0.30 1200 0.61 1210 1.32 1220 1.1)8 lUto 2.1.7 11.20 3.1.3 LEW 11)20 2.00 11*20 1.88 11*1*0 l.UJ* 1320 1.91 151*0 2.26 1620 2.11 1630 2.51* 1700 2. to I8to 3.15 1920 3.80 HW 1900 0.00 1915 -0.28 191*0 0.17 1820 0.16 2100 0.80 2150 0.95 2150 1.60 2210 1.68 23to 2.71 23to 3.58 6/21 EBW 0120 3.1*0 0120 3.32 0210 3.88 0010 3.32 0310 3.53 O3I.O 3.1.2 0330 3.90 otoo 3.75 0520 1..35 05to I..80 (lO.llOO) LLV 0900 -1.00 0915 -1.31 1000 -0.85 081)0 -0.98 1130 0.30 1230 0.28 12to 1.50 1300 1.73 11.20 2.92 11*50 3.80 LHW 11*1*0 2.20 1510 2.0I* 1510 2.71* 11*10 2.23 1700 2.61 1720 2.50 1730 3.02 1810 3.1.6 1920 3.68 1930 1).26 HIM 1920 0.50 191*0 0.20 2000 0.69 18.50 0.36 2150 1.18 2220 l.W. 2300 2.12 2310 2.78 0020 3.27 0030 It.OO 6/22 HEtr 0120 3.65 0200 3.68 0200 l».27 0030 3.73 0330 3.95 01*30 3.88 01.20 1*.38 oi*to 1..78 0530 It. 80 0600 5.15 (10,500) UM 0930 -0.85 1015 -1.15 1010 -0.61* 0900 -0.77 1210 0.52 1300 0.97 1330 1.71. itoo 2.1.8 11.20 3.13 I5to 3.90 LBW 1520 2.37 1610 1.36 1600 2. 91* 11*30 2.1*1 1750 2.80 1810 2.71. 1830 3.21 1850 3.63 2020 3. 81. 2030 I..37 EW . 2000 0.72 2030 0.1*9 201)0 1.00 1920 0.70 2230 1.50 2300 1.70 2330 2.35 2too 2.95 ooto 3.1*1 0110 k.lD 6/23 HEW 0200 3.72 0250 3.77 0230 l*.3T 0120 3.86 01*20 1..07 0500 1..00 0500 1..50 0520 1..86 0600 U.90 o6to 5.20 (K),250) LLM 1000 -0.75 101*0 -0.95 1050 -0.1*1* 0920 -0.58 121)0 0.69 1330 1.06 11.20 1.87 11.30 2.51. I5to 3.16 1610 3.90 LHW 1610 2.57 1700 1.60 1700 3.20 151*0 2.73 181.0 3.12 1910 3.03 1930 3.51. 1930 3.90 2oto l*.07 2100 U.50 HLW 2030 1.00 2120 0.83 2130 0.1)0 191*0 1.12 2320 1.90 23l«) 2.06 0010 2.68 0020 3.22 0120 3. 61* oito 1..2U 6/24 HHW 0250 3.90 0320 l*.06 0310 1*.70 0130 1*.22 0500 1*.1*3 0530 l*.38 0530 I..87 0550 5.20 o6to 5.23 0700 5.50 (10,100) LLH 1050 -0.50 mo -0.60 1130 -0.08 0950 -0.16 1330 0.96 11.10 1.1*8 ii.to 2.25 1500 2.90 1600 3.50 i6to 1..20 LBW 1700 2.80 171)0 2.90 171)0 3.1*2 151*0 3.07 3510 3.1.5 1950 3.39 2010 3.91 2020 1..30 2110 U.l*l* 2ito U.87 8/29 (9,700) ELtf 2120 1.32 2200 1.32 2200 0.85 2110 1.50 0030 3.11 0100 3.6U 0150 1*.05 0021 I1.6O HBW 2000 3.50 2100 3.UI* 2100 1*.17 211)0 l*.62 221.0 3.90 221)0 3.85 2330 1..05 2330 I..23 ooto 1..73 0130 5.32 8/30 Lur OUlO -0.37 0500 -0.53 0520 0.02 051)0 0.76 0710 0.85 S720 1.30 0900 1.89 o8to 2.22 09to 3.30 0920 I..33 (10,200) LEW 0930 2.21* 1030 2.26 101)0 2.87 mo 3.35 1230 2.80 1220 2.71. 1310 3.91 I3to 3.18 11.20 3.85 I3to li.ik ELH 11*30 0.67 151)0 0.51 151)0 1.02 1600 1.68 1730 1.1)6 17l«) 1.66 2030 2.03 1900 2.31. 2020 3.20 1950 U.20 HBW 2050 3.63 2200 3.68 2200 1*.32 2220 U.78 2350 1..01* 2lKX) u.oo 0030 1..15 0030 I..37 oito- 1..90 02to 5.iia 8/31 LLW 0520 -0.50 0620 -0.71 0630 -0.16 061*0 0.61* 0830 0.83 0830 1.30 1130 1.92 1000 2.26 1130 3.37 1230 U.lil (10,1«») LHW 1130 2.1*0 121X) 2.1*0 1210 3.00 1210 3.1)8 131)0 2.90 ll«X) 2.81* 11*30 3.03 11.30 3.27 ii*to 3.90 1600 u.« BIN 1600 0.70 1650 0.50 1700 1.30 1700 1.67 1830 1.50 Ifllm 1.70 2100 2.07 2010 2. to 2120 3.19 2210 it.a HEW 2210 3.85 2310 3.83 2300 l*.50 2310 l*.90 0100 U.ll* 0100 1..08 0130 I..27 0130 1..50 0300 1..98 0320 5.S 9/1 IXW 0620 -0.50 0720 -0.66 0710 -0.10 071*0 0.70 0930 0.89 0930 1-32 1100 2.00 1100 2.25 1230 3.31 1310 l*.3l (9,200) LEW 1230 2.71* 131)0 2.76 1300 3.25 1330 3.87 1510 3.26 1510 3.20 1520 3.11* 1550 3.65 1710 1*.27 1800 U.9( HLW 1700 0.87 1820 0.61* 1800 1.03 1820 1.81* 2000 0.75 2020 2.00 2ito 2.20 2ito 2.75 2230 3.62 2330 1..60 HEW 2310 3.93 0010 l*.00 21)00 i).50 21)00 5.10 0150 I..30 0150 l*.27 0250 U.38 02to 1..68 03to 5.11. 01*20 5.TII 9/2 LLW 0710 -0.56 081*0 -0.80 0810 -0.36 081)0 0.60 1030 0.85 IDkO 1.35 1330 2.10 1200 2.31 1310 3.37 itoo i*.n {la.uoo) LHW 1310 1810 2.70 1330 2.70 131)0 3.16 11*10 3.75 1500 3.11* 1500 3.03 l6to 3.21 1630 3.1.8 I7to l*.13 1830 ooto 1..9 ELW 0.35 1900 0.12 1900 0.51 191*0 1.30 2100 1.30 2100 1.60 2310 2.31 2230 2.1.8 2330 3.50 1.-5 9/3 HEW 0000 3.80 0050 3.87 0100 l*.38 0100 1*.93 0200 1..17 0330 1*.10 01.00 1*.10 03to k.UB 0510 5.10 0600 5.7; UM 0800 -0.66 0800 0.70 O8UO -0.20 0930 0.7I* 1000 1.00 lllrf) \:ll 1300 2.16 1230 2.56 lUio 3.60 1520 it.8( LHW 131*0 2.78 11)00 2.93 11*30 3.1)6 1500 U.io 1530 3.1.6 1700 1720 3.71 1730 3.90 1900 l*.58 I9to 3.IM HLW 1930 0.38 1920 0.21 2100 1.60 2110 1.61 2300 1.92 2310 2. to 2350 2.80 10/21* HEW 1600 3.25 1710 3.30 1800 3.78 1830 l*.33 1950 3.1.7 2030 3.U0 2050 3.75 2130 1*.10 2220 UM 10/25 LLW 0000 -1.03 one -1.22 011*0 -0.82 021)0 0.16 01)00 0.36 0500 0.60 0600 1.30 o6to 2.00 07to 3.0: (7,l«X» LHW 0620 2.30 071)0 2.27 071*0 2.69 0830 3.30 1000 2.60 1010 2.50 1130 2.80 1200 3.20 1230 3.71 BUT 1000 0.50 1210 0.28 1210 0.67 1320 1.50 1500 1.30 1530 1.35 1630 1.85 1710 2.1.3 1800 3.31 HEM 161*0 3.20 1810 3.38 181)0 3.80 1910 l*.l*2 201.0 3.61. 2100 3.57 2230 3.92 2220 U.30 2310 "..61 10/26 UM 0100 -0.98 0200 -l.ll* 0230 -0.80 031)0 0.20 0520 0.1.3 0550 0.72 0700 l.UU 07to 2.15 0830 3-i! (7,600) LEW 0710 2.31* 0830 2.39 0900 2.83 0930 3.1.8 IIDO 2.80 1120 2.63 1210 2.89 I2to 3.21* 1330 3.3 BUf ELW 1230 0.23 131)0 0.05 11)00 0.1)0 1500 1.21* 1630 1.10 1700 1.18 1810 1.70 1900 2.33 1920 3.3( HHW 1730 2.75 1920 2.80 1930 3.22 2000 3-85 2120 3.05 2150 2.93 22to 3.20 2320 3.58 21.00 1..1; 10/27 UM 0200 -1.38 0310 -1.56 0320 -1.27 01*30 -0.20 0610 -o.oi* 06k6 0.18 0810 0.98 0900 1.76 09to 2.-« (7,850) LHW 0820 2.10 091)0 2.05 1000 2.1)9 101)0 J.IO 1210 2.36 1220 2.23 i3to 2.55 lUlO 2.97 1500 3.0 BLW 1320 0.03 1500 •0.21 1500 0.16 151*0 0.99 171*0 0.88 1750 0.92 1920 1.50 2010 a.i5 20to 3.JI EEW 1900 2.55 2030 2.55 201)0 2.97 2100 3.60 2250 2.85 2300 2.70 21)00 3.07 ooto 3.1*7 0130 l*.0! 10/28 UM 021*0 -1.1*0 01*10 -1.57 01*30 -I.ID 0530 -0.28 0710 -0.05 0720 0.20 oyoo 1.00 09to 1.76 loto 2.9 (7,850) LEW 09ID 2.32 1100 2.30 mo 2.85 1200 3.37 1310 2.58 1330 2. to ii*to 2.70 1520 3.13 1610 3.T HLW 1500 -0.08 1610 -0.32 I61t0 o.oi* 1720 0.92 1900 0.80 1920 0.90 2100 1.52 2ito 2.22 2220 3. as HEW 2050 2.57 2200 2.57 2200 3.15 2230 3.65 2l«XI 2.82 oito 3.09 0300 1*.0; -102- JUNE 6-10, I960 Mile OCT. 3-7,1960 M N MM N M 1 r < < UJ O K UJ X o o CO 293.9 291.7 285.9 283.0 279.6 80 iioK 100 90 110 100 90 (- 110 100 90 110 I- 100 90 275.0 ^^ 265.5 256.3 244. M M ® ^ ©^ ^®> no 100 90 no 100 90 no 100 90 no 100 90 no 100 90 no 100 90 no 100 90 no 100 90 JUNE 6-10, I960 Mile 0CT3-7,I960 M N MM N M 1 r S^ 1® 238.1 235.2 228 4 ®r 224.4 ®\ 217.6 J207. 199.6 J84.5 M M LEGEND (y) UNCERTAIN VALUES FOR 12-HOUR PERIOD @ REJECTED VALUES FOR 12-HOUR PERIOD Figure 29. DIURNAL VARIATIONS IN DISSOLVED OXYGEN IN SACRAMENTO RIVER -103- (9 > X o o UJ > _i o m V) no 100 90 no 100 90 no 100 90 no 100 90 no - 100 90 h MO 100 90 MO 100 90 no 100 90 80 no 100 90 SEPT 12-16, I960 Mile MAY 8-12,1961 M N M M N M .® ® — I r 184.5 180. 68.2 59.0 44.1 139.0 ^^ 34.6 24.3 18. no 100 90 SEPT. 12-16,1960 Mile MAY 8-12, 1961 M N M M N M hoi 5^^^ M M M 100 90 80 70 100 90 80 100 90 80 100 90 80 100 90 80 100 90 80 100 90 80 too 901- 80 M / 93.7 905 81.5 77.2 yn 71.0 62£ 60B -58.2- M M M LEGEND @ UNCERTAIN VALUES FOR 12-HOUR PERIOD (R) rejected values for 12-HOUH PERIOD Rgure 29.(Cont.) DIURNAL VARIATIONS IN DISSOLVED OXYGEN IN SACRAMENTO RIVERj -104- 1 100 90 80 100 90 JUNE 20-24,1960 AUG.29-SEPT.2,I960 OCT.24-28, I960 M N MM N MM N M 80 h 100 90 80 100 90 80 100 90 ^ 80 liJ o 100 (T UJ Q- 90 (ij >- X o o UJ > 80 100 90 80 O w 100 ^ 80 \ / \ r 100 - A ' 90 ^ ^ A 80 v^ f ^- 100 [^ 1 A: 90 i~^ w 7 ^ 80 s^ A 100 1^ \ A; z \ i^^ o 90 ^ / ^ 1- ?i ^ 80 cr 3 /\ (- no I- AA < /^ Jy vV to 100 h \ /\\ H r \ A >f /"^ Z 90 ^.v T' ^"^ UJ ^ F o / a: UJ 80 - -. - Q. [\ . no - /\\r Z . i /'\ ^^ Ul \ lu \ o 100 b- — ~v sA ll/'\\y >- ^\ 11/ \ ^"^ X X / V^ 90 80 Q UJ 7 > £V^ o no "S /A^ CO \ r\ 1 Ir^ <0 100 >\/ y 'f^K- o 90 H^ o 1 " J 80 - - MO / [\®J) 100 ;V/ : Combined :293.9-i^.O : n : f> I. Classical 6k 62 61 kQ no 28 235 37 II. Early (nighttime) minimxam 19 18 7 5 62 16 88 14 III. Extended (evening) mEOcimun I 15 15 21 IT 33 8 69 11 IV. TAtp (TniflmnrriTng) mim'imnti 5 5 2 2 31 8 38 6 V. Inverted (nighttime maximum daytime minimum) 7 5 22 6 29 5 VI. Semidiurnal 23 6 23 k VII. Indet e rmi nat e TOTAL 103 29 127 23 113 39^^ 28 142 62k 23 Table 26 shows that the classical pattern occvirs 62 percent of the time in the upper reach and that the frequency of departures from the classical pattern increases as the river flows downstream. The semi- diurnal type was found only during the June 20 - 2k, I96O period and is shown on Figure 29 to occur in the area of maximum current reversals due to tides (Part 1, Appendix A) • In an attempt to further explain departures from the classical pattern in the lower reach, records of wind direction and velocity at Travis Air Force Base near Fairfield were compared with oxygen levels in the river foxind dxiring the intensive surveys. No correlation was found. -no- Nighttime Increases . Absolute concentration and saturation values frequently increased during the night. Such increases are implicit in the definitions of Types II, V, and VI, and frequently were found with Type VII. However, nighttime increases were occasionally superimposed upon the classical pattern (Type l) and upon Types III and IV in a manner which could not be correlated with partic\ilar slugs of water and which were not consistent for any station. Since the intensive surveys were deliberately schediiled to take advantage of moonlit nights, the possibility of moonlight photosynthesis which was suggested by Kofoid (31) was investigated. No correlation of nighttime increases and variations in moonlight was found. In addition to affecting the solubility of oxygen, temperature changes eilso alter the rates of biochemical reactions and accordingly metabolic activity. This relationship is usually referred to as the Q-j_q value or the ratio of the reaction rate at a given temperature to the reaction rate of 10 °C lower {kO) . Q2.0 typically varies between 1 emd 3 for most biochemical processes, and unreauListically greater values in the river wo\ild be necessary to account for the nighttime increases in dissolved oxygen where they were associated with temperature changes. Significance of Random Diurnal Veiriations . The observations of frequent departures from the classical diurnal pattern of oxygen levels and of nighttime increases in oxygen csui best be explained on the basis of changes in respiration. Oxygen is consumed by respiration of all life in a stream, including the native plankton, fish, and benthic popiilations. Bacteria ajid other microorganisms which feed on the natural organic detritus as well as any additional organic loading from municipsil, industrial. -111- or a€ricult\ireLl waste waters also respire at a rate which is usually measured as BOD. In general, the oxygen concentrations at night in the Sacramento River are below saturation so that there is a constant movement of atmos- pheric oxygen into the water. The rate of this movement determined by the level of saturation at a given location on the stream. It follows that if the respiration rate of life in the stream decreases, there will be an increase of oxygen in the water. Accordingly, the rates of night- time increases in dissolved oxygen provide an indirect measure of the changes in respiration rates in the stream. Direct measurements of day- time respiration rates by light and dark bottle techniques which have been made in many areas and reported in the literature show comparable variations . Variations in respiration can also account for the frequent departures from the classicsil curve of dissolved oxygen variations in nat\iral waters. It is not possible, with present knowledge, to predict respiration changes, and they are reflected as random variations. The full significance of these random variations will be presented in a sub- sequent discussion of waste assimilative capacity. Biochemicsil Oxygen Demand Figure 30 shows concentrations of 5-=^ '""f^ y ^=-=-*-^ ^ ■^ ~~— - o' 4^ V V- rf?C — t- . — . j» . ■ Ft • • Ml -..-• sC "' .1 A HUtRt I96r BNUARY 1964 ROH 1961 ■""--«' * o APRIL I9ei • ■ HAY 1961 • • JUNE 1961 i: = =i^ ^T^ 1— ^ ISO RIVER MILES Figure 30 SACRAMENTO RIVER WATER POLLUTION SURVEY BIOCHEMICAL OXYGEN DEMAND - SACRAMENTO RIVER 1960-1961 -113- o « \ "^v.^/ ? \.^^~?- * t- — ■^^-^■'^ o o -^ *^^^> U) ^ ^__.i _--^' i^^^<3 ~-l . — ^' Ti. 'S CO /'-I. *=^^— ^ CVJ "J.^"-^' ^.^-^ t — ^=^*--- — ""^nTi — 1 :^N 1 ^ ? ^ 3 V, \ < \ \ / \ \ \ \ / \ <5 / \ CM / ° \ O) / ? 1 1 tf) / ^ 4/' Si / / 3 / / ^ ,y .^ 1 \/_ o 1 <£ 1 O 1 o o • 10 /\ « °- 11 1 __^^ • ■* _ ' "* 1 / c o ^ £ ° \, 3-7/60 o / c s/ If r m Ki \ / ^^---.^ /"\ \ / — a: UJ > o: o I- z UJ < q: u < CO < o tn 5 UJ q: UJ o > S q: UJ o 7 >- rr X a o to _l UJ »- < < o -I z UJ X o o flO UJ o < tc UJ > < • lO • (uoiiiiui J»d spDd U!) QNVWaa N39AX0 nVOIW3HOOI9 -114- The highest BOD's occur at the beginning of the oxygen sag and decrease to a minimum at the beginning of the recovery portion of the sag curve. Table 27 summarizes the 5-day BOD in the river and waste dis- cheurges below Sacramento. The table indicates that the organic loading discharged by the Sacramento Sewage Treatment Plant equaled the natural BOD in the river in June and reached a maximum of about twice the natural BOD in late summer. The loading from the American Crystal Sugar Company plant at Clarksburg was about 13 percent of the BOD already present in the stream. The June and August data showed that, after mixing, the total BOD in the river below the waste discharges was about equal to the initial BOD plus the waste BOD. In October, the increases in river BOD due to waste discharges were less pronounced. It was previously shown (Figure 26) that the BOD loading from the Sacramento Sewage Treatment Plant is lowest in the late forenoon aiid highest at about midnight. This variation is in part reflected in the river 3' 5 miles or 3-^ hours downstream but more detailed work is needed to confirm this observation. Rate of BOD Exertion Table 28 lists the results of long-term BOD ansLlyses made on 29 river samples and four waste discharge samples. From these data, the ultimate first-stage or carbonaceous demand at 25 "C (La) was determined graphically and the ratio of La to the 5-day BOD computed; these derived figures are shown on Table 29. Temperature corrections were made according to Theriaxilt (U6) where Lj = La (0.02T - O.60) and T = observed river temperature. The rate of BOD exertion at river temperatures were then computed by means of the daily difference method (W), rapid- ratio method (^1), moments -115- OJ m ^ XI OJ u 0) o o tH aj O P to CO ft ffl to 0) 0) o o OJ ;h 0) -p ft 0) ON OJ I 0) (0 CO in ft H CO ^ tH > S o OJ o OJ •-3 Q O P I ft § 0) H m CO 0)0)0 K ^ o o o o O o o o o O C\J o -4- o CO •» •\ •\ •\ •> ^ Lf\ OJ J- -4- ^0 ■vO q ON CO H O 5 o o OJ cu LTN O v^ H I LTN I I OJ CV] o o oo no O O en OJ o o t- o O O o Q o o O o O rH H o t- oo •\ •\ •\ •\ •\ H H U\ oo H J- ^ 3 CO C- CO 1 ^ ON ^ CO 1 VO -4- • 1 • • • OJ o o OJ ON o o OJ o o OJ ON ON O o VO oo 00 I ir\ o I H H I I OJ OJ oo o LTN OJ o o VD OJ ON O O O s s s Q o o 8 o o o o o Q o o o s o j9 o CO H o ITN ir\ VO 00 o •s •\ •s *\ •* •\ •v •v •\ H ON J- OI OJ oo oo oo ON ITN ON ^ ^ 3 H^ 3 - 3 VO 1 oo c- o 1 OJ i: OJ ON 1 o OJ o\ 1 On o • 1 • • • 1 • • • o 1 oo OJ H H (M OI o 1 o o o , o o o o o o o 1 o o o o 1 o o o 1 o o o •k 1 •\ •* •v 1 •v •v •» o o o o 1 q q q !=i 1 H H H 1 H H H 1 I 1 1 1 1 1 » 1 1 1 1 1 1 1 1 •d +> n r? o^-^ §1 o ft u S » o < ^ aJ «^ J- • 03 00 OJ ^ • oo • • oo -=t- ON t-^ -d- -=J- v.^ oo oo oo -116- 3 « g 3| J hi ^i ^i ^1 ^i ^1 "a ^5 3° IS- |2 CM 5^ oj ^oi o7 H oi ^ O P <^ *'^ oj H H N M ■i S (M Q O Q irtS ° 3 3 -HO "-I r-I fsf Si a ;& ^333 58 88 SA ^ O 9«9 Q Q f^CS cv o o w H O «-4 r-I r-I ^ t^-H O '-' -H r-l • ••••• ^ o o o o o 1 5c? c> do r^ O rH O H (»> c^ rH r-( H d r-J d d r-i -H d d d d rH -^OnO O Q ?*o CM rH H rH f'\0 i-l rH »* r- r- ^3 dd»- dddood dddodd ooou> 8 3 d d >« o o (-\-H fM N fj cj cJ cj ^ ^ ^- H M ^ ■^ M ^ rH H r-H to t«^oJ «*N r\ CO o o »r\ ^ c- e*- ff^ vo H rH ^^ r-I rA tA >A rA rA rA CM 1 P^O C-rH rH r4 o d d d lAO Ci o o o o ^°^ ^55 odd dddddd rH d o »r\fM flO Q CO d d d d d o o c^ d ^i^lh l|3||l 3l§2ll ||S||I 9|p§| |i3 !|H^5 III CM rS ci <^ cScM CM <-* CM (^ fM Q <-< O O O 'H U\ ^ CM CM »AM CM (^ -H CM CM tn g t^9^ CO ^ >A f^? »AH (^ Ci "H t^ -H r\tM c^ CM 9<.^i4>trvtf\i^ sOfMi^NO^O^O S^5^3^ 3? H a) --I -* r> i*\ i/\ »/\ ;J335TfJfJ WN^^^CO^ -» ^ -» 1 & i u 4 &> 1 5 -117- Table 29 RATIOS OF UI/riMATE CARBONACEOUS DEMAND TO 5-DAy BOD AT 20 "C ; Observed . Observed : Ultimate : Ratio River '. Date i 5 -Day : 30 -Day : Carbonaceous : La/5-Day Mile ; Collected : BOD : BOD : Demand (La) : BOD 293-9 10- 5-60 3.02 4.11 1.36 2Ul^.l 10- 5-60 1.06 -_-- 1.94 1.83 217.6 5-21^-61 O.Tl 1.63 0.92 1.30 I8U.5 10- 5-60 0.86 1.65 1.92 I8I+.5 9-12-60 0.93 2.07 1.22 1.32 l8i^.5 5-2I+-6I 1.03 2.04 1.40 1.36 134.6 9-12-60 1.18 2.55 1.51 1.28 100.2 9- 1-60 O.i+0 1.20 0.87 2.18 90.5 5-2U-6I 0.98 2.64 1.63 1.66 62.6 8-30-60 0.60 2.10 0.77 1.28 62.6 9- 1-60 0.60 1.70 0.95 1.58 62.6 10-25-60 1.40 2.92 1.67 1.19 62.6 10-25-60 1.U2 2.92 1.72 1.21 62.6 5-31-61 1.25 3.26 1.81 1.44 58.2 9-12-60 0.90 1.13 1.36 1.51 5I+.2 5-31-60 1.15 2.79 1.44 1.25 1^3.*^ 5-31-61 1.38 3.87 2.08 1.51 27.5 8-30-60 0.83 2.63 1.14 1.37 27.5 9- 1-60 1.02 3.01 1.80 1.76 27.5 10-25-60 1.05 2.98 1.49 1.42 27.5 10-25-60 1.07 3.09 1.80 1.68 25. U 8-30-60 1.10 2.58 1.28 1.16 25.4 9- 1-60 1.49 3.18 1.98 1.33 25.4 10-25-60 1.26 3.52 1.80 1.43 18.8 5-31-61 1.39 4.23 1.97 1.42 Ik.k 9- 1-60 1.08 2.93 1.90 1.76 13. i^ 8-30-60 1.76 5.32 2.53 1.44 13. i+ 10-25-60 1.10 3.17 1.82 1.65 13. U 10-25-60 1.15 2.25 1.30 1.13 Average 1.47 -118- method (33); and slope method (^7) • The results of these computations axe in the depajrtment 's files. Subsequent attempts to use them in the Streeter-Phelps fonnulation of the oxygen-sag curve discussed in a later portion of this chapter were unsuccessful. Somewhat more consistent re- sults were obtained by using Streeter's (U3) formulation; Ki = i (log L^i/La) where Kj^ is the rate of deoxygenation in the river. La and L^, are the ultimate carbonaceous demands at upstream and downstream stations, respectively, at river temperatures, and t is the time in days. The results of these calculations for the river below Sacramento axe listed in Table 30* It will be noted that the highest values for Ki were obtained for the August 29 - September 2, i960 data when the greatest loading was being discharged by the plant. The slack water BOD profiles were deter- mined in the manner described for the oxygen profiles (Figxire 28) , and the slugs leaving the sewage treatment plant were chosen to represent the diurnal variation in BOD (Figiire 26) . The application of these data is discussed later in this chapter. The rates of BOD exertion for the three major discharges in the lower reach were determined by the four methods listed above with consistent resvilts. The best VEilues for the rate (k2_) for the West Sacramento Sewage Treatment Plant dischetrge varied from about O.U to 0.15 J ki for the Sacramento Sewage Treatment Plant discharge wa^s about 0.22; and k^ for the American Crystal Sugar Company discharge was about 0.34. Although the amount of basic data is limited so that the derived values of k^ are only first approximations, the relative values of BOD exertion for the three wastes axe considered reasonable. -119- Table 30 RATES OF BOD EXERTION IN SACRAMENTO RIVER BELOW SACRAMENTO Travel : Initial : Final Basis Time : BOD : BOD i ki (Days) : La : Lb June 20 - 2U, i960 U-day average 1.35 2.98 2.1+1+ O.06I+ Slvig passing mile 62.6 at 0600 1.1+3 2.98 2.1+7 0.057 Slxig passing mile 62.6 at 1200 1.30 2.98 2.1+1+ 0.067 Slug passing mile 62.6 at 1800 0.98 2.98 2.38 0.100 Slug passing mile 62.6 at 21+00 0.85 2.98 2.69 0.052 Slack water at H.H.W. 1.1+3 2.98 2.1+7 0.057 Slack water at L.H.W. 1.35 2.98 2.1+U 0.061+ Slack water at H.L.W. 1.31 2.98 2.1+1+ 0.066 Slack water at L.L.W. 1.93 2.98 2.01 0.088 August 29 - September 2, i960 ii-day average 1.31^ 1+.2T 2.06 0.236 Slug passing mile 62.6 at 0600 l.i+3 I+.27 1.98 0.233 Slug passing mile 62.6 at 1200 1.38 I+.27 2. 01+ 0.232 Slug passing mile 62.6 at 1800 1.23 I+.27 2.27 0.221+ Slug passing mile 62.6 at 2U00 0.75 I+.27 3.23 0.162 Slack water at H.H.W. 1.02 1+.27 2.1+9 0.230 Slack water at L.H.W. 1.38 I+.27 1.98 0.21+1 Slack water at H.L.W. 1.13 I+.27 2.39 O.22I+ Slack water at L.L.W. 1.30 I+.27 2.16 0.228 October 2k - 28, i960 J+-day average 2.99 3.^h 1.87 0.093 Slug passing mile 62.6 at 0600 3.02 3.5i^ 1.86 0.092 Slug passing mile 62.6 at 1200 2.39 3-5^^ 1.9^ o.no Slug passing mile 62.6 at 1800 3.05 Z.^h 1.7^ 0.101 Slug passing mile 62.6 at 21+00 2.95 3.51^ 1.87 0.09^^ Slack water at H.H.W. 2.16 3.5i^ 2.38 0.080 Slack water at L.H.W. 2.11+ l-'?h 2.38 0.081 Slack water at H.L.W. 3.60 3.5i^ 1.86 0.078 Slack water at L.L.W. 3-03 3.5i^ 1.87 0.092 -120- Chemical Oxygen Demand Chemical oxygen demand (COD) was determined monthly from April i960 to March I96I at 22 river sampling stations. Median concentrations of COD increased from about 3 PPm in the upper reach to about 8 ppm in the lower reach. COD's at Mayberry Sloiigh (mile k.O) were typically about 17 ppm. The COD:BOD ratios generally varied between k and 5 in the upper reach, increased uniformly between Butte Slough and Sacramento to about 8, dropped to k below Sacrsunento, increased to seven at Rio Vista, and rose sharply to about 15 at Mayberry Slough. Characterization of Oxygen Relationships The major effort toward evaluating the observed oxygen concen- trations in the Sacramento River was restricted to the area below Sacramento since it was only in the lower reach that a significant oxygen deficit occurred. Profiles of oxygen concentrations during the four-day intensive surveys have been previously presented (Figures 27 euid 28) . Other pro- files were prepared which followed given slugs of water which contained sewage treatment plant effluent discharged at 6 a.m., noon, 6 p.m., and midnight. For an profiles, the time of travel was estimated from the data presented in Part 1, Appendix A. Streeter-Phelps Method The classical method of characterizing oxygen relationships in streams was developed from studies conducted in 191^-15 on the Ohio River and published in I925 by Streeter and Phelps (42) . The method de- scribes the oxygen sag curve as a function of BOD, oxygen saturation, rates of deoxygenation and reaeration, and time according to the equation: -121- ki La where : Dl^; = dissolved oxygen saturation deficit in ppm, after time (t) Da, = upstream dissolved oxygen saturation deficit in ppm La = upstream ultimate first-stage oxygen demand of the organic matter of the water in ppm k2_ = coefficient defining rate of deoxygenation kg = coefficient defining rate of reaeration t = elapsed time from initieuL point, in days In computing coefficients of reaeration, kg, the oxygen profiles previously discussed were utilized. Development of each oxygen seig con- sisted of designating an upper station (a), a lower station (b) and deter- mining the travel time between each station. The upper station, mile 50.8 in all cases, was chosen as repre- senting typical initial conditions since it is below the major outfall, above tidal influence, completely mixed, and has a DO high enoijgh so that any deoxygenation coiild be measured. The station location of the lower station b, was determined by the location of the critical point on each oxygen curve. The results of computations of stream reaeration coefficients are listed on Table 31 in which it is seen that kg values were character- istically negative for the Jime 20 - 2k, i960 and October 2k - 28, i960 period. Similar computations for the river below Redding also resxilted in freq.uent negative values. A negative kg value has no resil physical meaning, and accordingly the Streeter-Phelps formication is not generally applicable to the Sacramento River. Intuitively, negative kg values -122- Table 31 SUMMARY OF COMPUTATIONS BY STREETER-PHELPS METHOD Mile iType of : ^0 "c At Temperature of River Water River : 5-Day: 5 -Day : Da : I>t : La : Lb : t : T • • • a : b jProfile :BODb :BODb rmg/l :nig/l :mg/l :mg/l :days : "C : ^1 ; k2 June 20 - 21+ , i960 4-(iay 50.8 31.2 average 2.12 1.5U 0.5 1.6 2.98 2.1+1+ 1.35 21.0 O.O6I+ -0.125 50.8 30.0 o6oo 2.12 1.56 0.5 1.8 2.98 2.1+7 1.^3 21.0 0.057 -0.215 50.8 31-8 1200 2.12 1.3h 0.6 2.1 2.98 2.1+1+ 1.30 21.0 0.067 -0.252 50.8 35. i^ l8oo 2.12 1.50 0.7 2.0 2.98 2.38 0.98 21.0 0.100 -0.21+0 50.8 37.0 2U00 2.12 1.70 0.3 1.7 2.98 2.69 0.85 21.0 0.052 -0.668 50.8 30.0 H.H. 2.12 1.56 0.1+ 1.8 2.98 2.1+7 IM 21.0 0.057 -0.269 50.8 31.2 L.H. 2.12 1.51+ 0.1+ 1.5 2.98 2.1+1+ 1.35 21.0 0.061+ -0.200 50.8 31.5 H.L. 2.12 1.5^^ 0.5 1.5 2.98 2.1+1+ 1.31 21.0 0.066 -0.151 50.8 26.2 L.L. 2-. 12 1.27 0.1+ 1.7 2.98 2.01 1.93 21.0 0.088 -0.069 kugust 29 - September 2 , i960 k-day 50.8 28. U average 3.03 1.32 0.7 2.3 I+.27 2.06 1.3^ 20.6 0.236 0.113 50.8 27.k o6oo 3.03 1.26 0.7 2.1 I+.27 1.98 1.1+3 20.6 0.233 0.172 50.8 28.0 1200 3.03 1.30 0.9 2.5 I+.27 2.0I+ 1.38 20.6 0.232 0.110 50.8 30.0 1800 3.03 l.i^5 0.9 2.5 I+.27 2.27 1.23 20.6 0.221+ 0.087 50.8 36.6 21+00 3.03 2.06 0.7 2.3 I+.27 3.23 0.75 20.6 0.162 -0.217 50.8 32.6 H.H. 3.03 1.59 0.9 2.1+ I+.27 2.1+9 1.02 20.6 0.230 0.073 50.8 28.0 L.H. 3.03 1.26 0.6 2.3 I+.27 1.98 1.38 20.6 0.21+1 0.109 50.8 31.0 H.L. 3.03 1.52 0.7 2.1 I+.27 2.39 1.13 20.6 0.221+ 0.120 50.8 29.0 L.L. 3.03 1.38 0.7 2.2 I+.27 2.16 1.30 20.6 0.228 0.121 October 2l+ - 28, i960 l+-(iay 50.8 25.5 average 2.57 1.31 0.6 2.1+ 3.5'+ 1.87 2.99 16.0 0.093 -0.015 50.8 25.3 0600 2.57 1.30 0.6 2.5 3.51^ 1.86 3.02 16.0 0.092 -0.020 50.8 27.5 1200 2.57 1.36 0.8 2.3 3.5i^ 1.9^ 2.39 16.0 0.110 0.015 50.8 25.1 1800 2.57 1.22 0.7 2.5 3.5U 1.7^^ 3.05 16.0 0.101 50.8 25.6 21+00 2.57 1.31 0.5 2.1+ 3.5*^ 1.87 2.95 16.0 0.0914- -0.018 50.8 28.3 H.H. 2.57 1.66 0.7 2.3 3-3h 2.38 2.16 16.0 0.080 -0.065 50.8 28.1+ L.H. 2.57 1.66 0.5 2.3 3.5U 2.38 2.11+ 16.0 0.081 -0.095 50.8 21+.1 H.L. 2.57 1.30 0.8 2.1+ 3-5h 1.86 3.60 16.0 0.078 0.008 50.8 25.2 L.L. 2.57 1.31 0.7 2.5 3.5i+ 1.87 3.03 16.0 0.092 -0.012 -123- might be expected in the Sacramento River because of the consistent and relatively xmiform loss of dissolved oxygen from the water shown in Figure 27. Negative k2 vaJLues have been reported for other streams {kS) . In this connection, the sensitivity of the laboratory test for BOD's in low concentrations has been seriously questioned and it follows that the derived values for k^ are subject to the same errors. Regardless of the sensitivity of the laboratory method, the previously stated conclusion from field observations of dissolved oxygen that respiration varies indi- cates that the rate of BOD satisfaction, ki, is not a first-order reaction in the river. It follows that, in these circxamstaiices, the Streeter- Phelps method csm never describe the oxygen relationships in the stream. It is not surprising, then, that attempts to apply various modi- fications to or refinements of the basic oxygen sag equation, including those of Streeter (U3), O'Connor and Dobbins (38), and Churchill (27), to the Sacramento River were similarly unsuccessful. The k2 values obtained for the slack-water profiles (Figure 28) the A\]gust 29 - September 2, I96O period were substituted into the basic formulation after correcting for river temperatures according to Elmore and ¥est (28) where k2(T) = ^2(20°) x 1.02ii-l(T-20) . qij^g computed 5-day BOD loading was 113,600 pounds per day which is in excellent agreement with the measured quantity of 11^,500 pounds per day. On occasion, then, the Streeter-Phelps method can be marie to work, but other than the empiri- cal observation that these apparently valid figures for k2 were obtained for the period of the greatest waste loading on the river, the reasons for the method's success or failures are imperfectly known. -124- Multiple Lineeir Correlation Method In another attempt undertaken to produce a waste assimilative capacity for the Sacramento River a "Standard Method for Analysis of Stream Purification Capacity" was used. This method was developed by Churchill and Buckingham (26) and is concerned principally with a stream that is polluted from a single source. The basic theory presented in the paper states that "A nvunber of factors operate concurrently to produce a DO defi- ciency in a stream below a source of pollution. The basic procedure discussed here correlates these factors statistically, »n at the same time, with the measured decrease, or drop, in DO concentration from above the point of pollution to the low point of the DO sag. The factors used must be readily measur- able in quantitative units. 'Vhen pollution is discharged into a stream such as this the factors subject to direct quantitative observation which affect the extent of the DO sag are the BOD, stream tempera- ture, emd stream discharge. ActiiaJly, water travel effects are indirectly included, because discharge is included in the correlation, ajid time of travel is obviously correlated with discharge. " Quantitative observations of the independent variables, BOD, discharge, and stresun temperature can be statisticeuLly correlated with the dependent variable, DO" drop, by using the following multiple correla- tion relationship: Y = a + b^Xi + b2X2 + b3X3 (l) where Y = dependent variable, DO drop, ppm X]_ = 5 -day BOD, ppm X2 = water temperature, *^ Xo = stream discharge factor, 100^000 ^ Flow (cfs) a, bi, b2, bo = constants derived from actual data used. Reducing the above equation to simple terms: DO drop = a + bi (BOD) + b2 (temp.) + b3 (100. OOP) The constajits bib2, and b3 are obtained from the three "normal" equations: -125- bi SXi^ + bgZXiXs + b3 Z X1X3 =ZXiY (ill) bi ZX1X2 + b2 ZX2^ + b3 ZX2X3 = ZX2Y (IV) bi Z X1X3 + b2 Z X2X3 + b3 Z X3^ = Z X3Y (V) In order to include a wide range of dissolved oxygen and biochemical oxygen demand concentrations, temperattores, and flows, monthly data throughout the year for stations 62.6 and 27.5 were evaluated. Substituting values from Table 32 into eqtiations (ill) , (IV) , and (v) : bi = +0.Uifl7 b2 = -0.0285 b3 = +0.1055 Solving for "a": a = My - biMi - b2M2 - t'3M3 (Vl) = - 2.1333 By substituting the constants and independent variables in equa- tion (l) it is now possible to solve for the DO drop in ppm. The results of these computations are shown in Table 33- Following Churchill, the coefficient of multiple correlation was calculated from the equation: „ t>i (Zyxi) + b2 (Zyx2) + b3 (Zyx3) ^ = zIF) The high degree of correlation between calculated and observed DO drops is indicated by the coefficient (r) of O.985. -126- CVJ en 0) H EH I OVO |s» OJ OVO PJ Oh o o O po •* (P Q O E-i v^ ^ O 3 3^ S^ 0) -p Oj p o o o o CO oo "tH X o ^« • • •• i^ CJ ^—^ X fc CVi (U « • X H * ,_^ =J CJ a o X ft .- pq Q P^ • ^1 ft « « 0) u o CO u s CO OJ OO H t— ^ ON m • ON ON OJ • • o H VO a ON OO ^ VO CO 00 VO CO 3 § s CO • VO OJ • ON ON (0 •v OS CO 00 d ON l/^ • O ro VO •v -d- 1 VO -d J^ oo 1 ir\ H ON r^ OJ (M II II II -p II II II II II II o II OJ CO CO 0) H OJ CO OJ X X OJ X OJ O o % ^ ^ ^ H X H X H X OJ X OJ X CO X H H VD OJ VO 8 OJ H H t- VO o o CO t- rp W t-- CO ON t— CO co OJ ON l/N ^ H^ H H d H d d H iH H -^ CO o OJ o OO H VO OJ o o o CO t- VO ON CO • o6^ VO VO t- c^ t- VO LTN J- -d- J- ipk VO lr\ -d- ON vo VO CO o CO VO rH s OJ o ON O H ON o OJ lf\ t- H ir\ OJ o o , • • • • • • • • • • H J^ J- ON CO t- J- OJ 0\ CO VO vd VO itnS VO CO l/N VO ITN 00 CO c- CO b- CO CO c^ 00 o 8 o ^ o o o o o o o J- oo H -d- H l/N l/N ITN q o OJ o s CO OJ ^ -4^ CO ON CO On Q vd cd ro ir\ CO t- t^ OO ON ?? ^ l/N CO t- o o O o o o o o H H H vo VO i VO 1 VO VO 1 VO VO VO VO 1 VO 1 VO 1 H ON VO OJ VO o 00 l/\ ON VO CO GJ 1 ITN OJ OJ OJ 1 ON OJ 1 H 1 H H OJ OJ 1 J- 1 1 CO 1 3 d H CO *• U o ft-i ^ OJ ITN • CO VO VO J- OJ t o OJ o VO s (0 ON o • • t- OJ • OJ l/N IfN t— VO H 1 o l/N r-\ 7i -cf • o OJ H t^ 0) OJ A II II II -p II n II II u o II II OJ CO CO 0) H OJ CO X X OJ X OJ 5-1 U O O % ^ ^ ^ x^ H X x^ OJ X ^ CO X MD o t— 00 ON o -* xf l/N J- t- vo • CO o CO o VO CO ON o CO ON ITN VO CO H • ■ • • • • • • • • • • s ?i L/N o o -d- t^ t- t^ OJ OJ t-- VO t- 1 1=1 rR H t- o J- VO o O o CO c— vo ON CO o • t^^ CO vo t^ t- VO LTN -^ J- J- l/N VO ITk ir\ CO O U o CO t^ H o OJ t— VO CO ON J- l/N CO H ON • O CO VO r- o CO o q • CO H=^ a) ■P O H H H H H ol H H r-i H H q H ^ c— l/N VO t^ CO ON CO H CO t- H ON^ 1 o H H H d o d d d d ON O X o O O o 5 o H H H H Q VO VD VO VO VO VO VO VO VO 1 1 1 1 1 1 * o ON OJ ON VO LTN CO ir\ OJ o (0 OJ H OJ H 1 H 1 H rH H I OJ 1 OJ ^3 c § 1 1 CO ON ■ 3 i H OJ CO J- CO ^ -127- Table 33 COMPARISON OF COMPUTED AND OBSERVED DISSOLVED OXYGEN DROP : Observed: * T /'\/'\ /'\r\r^ : Computed Date :D0 Drop :+0 .1+1^17 X BOD:-0.0285 X T »F:+0.1055 X 100^000 .:D0 Drop : (ppm) : : (ppm) 5-20-60 0.7 O.U3 1.88 0.62 0.8 8-19-60 1.5 0.61 2.00 1.06 1.5 9-22-60 1.6 0.1+5 2.00 1.15 1.5 10-19-60 1.7 0.57 1.71 1.1+9 1.6 11-16-60 0.8 0.72 1-51 0.81 0.9 12-15-60 0.9 0.78 1.3^ 0.77 0.8 1-18-61 0.8 0.91 1.31 0.84 0.9 2-15-61 0.1 0.59 l.ilO 0.22 0.1 3-22-61 0.3 o.k& 1.51 0.30 0.2 I+-20-61 0.7 0.k6 1.71 0.81+ 0.9 R = 0.985 To fiirther establish em empirical approach to relate waste load- ings with river conditions, a correlation of BOD load at the downstream station near the low point of the DO sag was formulated as a function of waste load, stream temperature, and stream discharge. The equation BOD load at lower station = a + b^ (waste load) + b2 (temperature at lower station) + b^ (stream discharge) (VIl) is evaluated in the same manner as the DO drop formula. Using data from Table 32, the computed constants are: a = +79.886 bi = +0.1+779 bg = -1.1+387 b3 = +27.30 Substituting these constants into the "BOD load" equation: BOD (1000#/Day) = 79-886 + 0.1+779 (waste BOD 1000#/Day) -1.1+387 (river tempe^at^ire "F) +27. 30 (q/10,000) (VIIl) -128- This equation, along with the DO drop eqioation (l), can now be used to estimate conditions that would cause the oxygen deficiency in the river to fall below minimum requirements. For example, the BOD at the low point on the oxygen sag can be ceilculated by assuming a specific river temperature and flow ajid caus- ing the waste load to vary. This BOD euLong with the temperature and flow conditions caji then be substituted into the DO drop equation to estimate the waste loading that would ca\ise a specific river water DO reduction at a given river temperature emd river discharge condition. Table 3^ shows how observed values of organic loadings conrpared to results obtained by m\iltiple correlation calculations. Table 3^ COMPARISON OF COMPUTED AND OBSERVED BOD LOADING Observed : : Computed Date : BOD Load :+0 .U78 x BODv^: -1.1+387 X T°F:+27 .30 x Q : BOD Load 100C#/Day: 10,000 :1000#/Day U-21-60 20.38 30.61 87.76 31^.^ 57 'Ih 5-19-60 60.10 iK).2lf 9I+.95 1+6.96 72.1I+ 7-26-60 33.80 28.66 103.59 23.1+8 28.l+i+ 8-22-60 52.140 30.1if 100.71 27.30 36.62 9-26-60 31^.80 27.36 100.71 25.12 31.66 10-20-60 'jk.lO U0.39 86.32 19.38 53.3^+ n -18-60 78.50 39. 5i^ 76.25 35.76 78.91^ 12-15-60 89.50 37.81+ 67.62 31'^ 87.50 1-19-61 93.50 1*0.31 66.18 3^.^ 88.1+2 2-16-61 199-00 36.52 70.50 133.77 179.68 3-23-61 120.00 1+1.21 76.25 95-55 ll+O.l+O R = 0.937 Computed allowable organic waste loadings for specific flows and DO drops at temperatures of 60 and 70*r are shown on Figvire 32. The desired DO drop is the reduction in DO between Bryte, mile 62.6, and Delta Cross Channel, mile 27.1+. temperature is the average temperature at the -129- lower station and BOD discharged is the total organic load received by the river between Sacramento and Delta Cross Channel. Figxire 32 should be used only as a first approximation. Although the plotted and the observed values for BOD loading during the conditions of the August 29 - September 2, i960 period are 115,000 and lll4-,500 pound per day, respectively, corresponding figures for the June 20 - 2U, i960 period was <10,000 and U4,200 and for the October 2l| - 28, I960 period were 32,000 and 78,300- It follows that, in order to make this method generally applicable, the correlations must be expanded to incl\ide varia- tions of algae populations, relative amoxmts of wastes discharged from individual sources, and other factors. In addition, the linearity of the interrelationships sho\ild be confirmed. Photosynthesis-Respiration Relationships The methods of characterizing oxygen relationships outlined above have involved both laboratory and field determinations, and the limitations of these methods have been discussed. Some of these limita- tions may be avoided by using only field observations. One approach to the problem of determining waste assimilative capacities in streams is the light and daxk bottle method of determining photosynthesis and respiration in a stream. Where independent measure- ments of the rate of diffusion of atmospheric oxygen are available and where it can be assumed that metabolic activity in a bottle adequately represents the activity in a stream, the method is highly useful. It was, however, not possible to provide for light aind djaxk bottle studies during the present investigation. In 1956, Odum (3^+) published a new method for determining the amount of oxygen supplied by or lost to the atmosphere, added by -130- nr ■■•■]■'': 1 n "■: n -::, 11 ! . . VV 1 — ,.|, \': ^~ ^1 f ! 11 r 'I i ' \ 1 1^- _ 1 f :3 \ 1 \ \ - ■-. ■1 g — .... — — V 1 p \ . V :- \ 1 i 1 1 w 1 \ 1 1 1 \\ I 1 \ ll 1 \ I \ ■:.. \\ 1 1\ 1 \ w \ \ - " u 1 \ 1 1 \ \ \ tfl t^ ■\l 1 1 \ \ \ C9 1 \1 1 1 \ -J 1 V \ 1 L , \ V 1 \ 1 ( \ \ \ V J 1 1 \ 1 1 \ 1 1 I \ \\ I \ 1 \ ; w \\ \ \ \ y w \ \ , \ I \ : u ; V \ i\ ; I \ \ \ \ \ \ ^ 11 \ \ -4-i ll V \ \ \ \ \ \ W A \ \ \ \ \ V \ A \ •\ :-^ \ \ \ \ \ \ \ s 'fi \ \ \ 'll ^\ A ■ \ \ % 1 i c- A \\ dj. ^ ^. .'1 ;'^<; ■ \\ \\ \ s s fe^J h I ' V n ''% \ V -^ {1? i" \ :jj a "v \\ '^> ■■■^ - %' i\ Oy n>. A^ <■ s N ■^ ^~*-- >■ k"^ y\ \ \ \ N V s '% a \ \ V s. '^> V ^%^ \ •\ N^ '■*! ~-, , 7 ^ni?i '^ \ \ x ^^' ^ 1 V. ^^ \ \ \ \ X\ \ K ^^ \ \ \ ^•^ •v - \ i ^\ v^' ::^ rl ■ \ ■^^ N -^ s ^ i 1 1 \ s ^ ^ ■> "-^ . ■ ^ ' ; ''-■ ~- — -- .„ ! ' ] 1 1 1 ■■ ■ — - 1 :: -~\--^ ■ - 1 ■ :i!: 1 1 k^l..^ iiii fi# m^ o 3 O Z liJ < q: o < to 3 UJ m (r. UJ > o iL' UJ < q: o < u. o - >- s o O < o < o q: 3 Q. I U. _l UJ (O CVJ ro «> (0 CM O O UJ z o UJ tr. oc o o oc < UJ UJ _l Q. O o UJ V) < CD OO O p oo o o OO o o Ava U3d saNnod jo soNvsnoHi ni ONiavon aoa -131- photosynthesis, and utilized by respiration. Values for these factors are derived graphically from observed diurnal changes in dissolved oxygen levels in the stream. The basis of the method is presented in detail in Odum's publications euad has been applied to a wide variety of conditions (29, 3h, 35, 36). Figure 33 shows an example from the upper reach where the four- day averages were determined. The values are reported as grams per cubic meter per day which are eq.uivaJ.ent to milligrams per liter per day or parts per million per day. This example was deliberately selected to show the method in an area where there are no significant discharge and where oxygen levels follow the classical pattern. In many of the cases shown on Figure 29 and si:miiiiarized on Table 26, Odum's diurnal curve aneuLysis is not applicable. It is impossible, for exaarple, to use the method where maximvmi oxygen concentrations are foxind at night and minimum concentra- tions occur diiring the day (Type V in Table 26) . Minor depart\xres from the classical c\irve can, however, be accomodated. Nighttime increases in dissolved oxygen are reflected in reduced rates of respiration. Odum's method has certain implicit advantages. The coefficient of atmospheric diffusion is determined for the hydrographic and meteor- ological conditions that existed at the time of observation. The effects of both floating and bottom organisms are inherently combined in the deter- mination of community photosynthesis ajid respiration. However, there are several possible sovirces of error. Inspection of Figure 33 shows that the entire analysis derives from the determination of the atmospheric reaeration coefficient (k) which in turn depends upon the selection of representative pre-dawn and post-sunset values for the saturation deficit (S) and for the time rate of change (Q) . Errors in k are only slightly reflected in qualitative evaluation of the effects of waste discharges -132- MILE 275.0 OCTOBER 3-7, I960 110 100 Q o > °" 90 ( ^^ I • • I • • < ^-r^ 1 ,-^ ^:-^ ♦ Se • f • 16 18 20 22 24 ATMOSPHERIC DIFFUSION COEFFICIENT 'Qm-Qe\_|QQ/-005+O.I3 k=IOo( g"^l3^ ) ^'QQ( 5 8^-f2 )"'°^^ g/m^/hr at 0% Saturation RESPIRATION R=24x Average Night-time Respiration = 24 x 0.104 = 2.49 g/m^/d PHOTOSYNTHESIS P = Constant x Area between (P+R) curve and R = 00033X647 = 2.14 g/mVd ATMOSPHERIC DIFFUSION D= Constant x Area between (P + R + D) curve and (P + R) curve D|N= 00033 X 164 = 0.54 g/m^/d Dour = 0033 X 86 =0.28 g/m^/d P/R = 2.14/2.49 = 086 Figure 33. DETERMINATION OF ATMOSPHERIC DIFFUSION, PHOTOSYNTHESIS, AND RESPIRATION -133- and of the relative importance of photosynthesis and diffusion as sovirces of oxygen. An even greater error may be introduced by the assiinrption that the aversige daytime respiration equals the average nighttime respiration. It has been previously shown that respiration does vary over wide ranges. An indication of the extent of these variations due to floating orgeinisms could be obtained from short-term light and dark bottle observations made concurrently with determinations of diurnal oxygen changes and it is recom- mended that future studies include both methods. Odum's method can be applied to a single station or to upstream and downstream stations where travel times are known. The single-station approach depends upon the assumption that each particle of water passing the station has essentially the same history as the preceding and succeed- ing particles. This assuraption is not strictly fulfilled in the Sacramento River because of intermittent discharges of irrigation return flows and because of diurnal variations in BOD loadings from sewage treatment plants. Nevertheless, use of the single-station analysis provided more consistent results thaji did the upstream-downstream method, and the latter was accord- ingly abandoned. An interesting feature of Odum's method is that photosynthesis, respiration, and diffusion can be determined for a group of stations with similar, though not identical, diurnal oxygen variations. AlthoTjgh the resulting relationships will be internally consistent, they will probably not be the average of the same relationships deterniined for the individual stations within the group. This means that the method inherently includes a self-regulating or feedback mechanism which ultimately derives from the cyclic characteristic of individual or averaged basic diumBil curves. -13i^- Rates . Table 35 summarizes the determinations of atmospheric diffusion coefficients and of rates of diffusion photosynthesis, and respiration at J2 stations on the Sacramento River. It was possible to determine these factors for as many as four intensive sampling periods at some of the stations. Data from the remaining stations and periods were not amenable to analysis by Odum's method because of the significant observed departures from the classiceQ. diurnal oxygen variations (Figure 29) Rates of photosynthesis and respiration in grams/square meter/day were obtained by multiplying the volumetric rates shown in the examples on Figvire 33 hy the depth in meters. Figure 3^+ shows the longitudinal variations of dissolved oxygen emd of photosynthesis and respiration rates in the river above Sacramento. Rates of photosynthesis and respiration are high at Redding (mile 293 •?) and decrease downstream towards Red Bluff (mile 21+4.1). In this reach, the river is relatively shallow and passes through a nxanber of riffle and rapids areas. Between Red Blviff and Sacramento, photosynthesis and respiration generally rise. Respiration rates typically increases below discharges from sewage treatment plants and irrigation drains. Photosyn- thesis generally increases below treatment plants and drains except in the reach just below R. D. 787« The reason for the decrease in photosyn- thesis below R. D. 787 is not known. The changes in oxygen relationships caused by irrigation of a rice field discussed in Chapter IV, Part 3) Appendix A, are summarized in Table 36. -135- iae 4** S'SSU* RSrtrtS RSS33 iSRSS aasss o oo o o o ooo o o o o o o o o o o o O -H O O O SSASP in in Si CO on sssas 3S«S3 SPS33 3 533°' 93»S3, o(»lO^O\ i/\t-OI— u" "da a®3«P sasup* ■artssR s?sasa abasia CM H>0 u>J» H CM »■ '"da^S Stg3°-» l!!'?5lSiS I I KSSrsia £«S5S aSSKR spsse SSRSS H-HI>,[-rj Wi/\«mN CU-«-^ i/\CO (?i«j fncMO) a^aaa SS3>88 saddd ssss^ ^^PPS os3 O O O sax5s ?9~i?s is!irt*a S8:?»rt ooooo ooooo ooooo ooooo ss^sss 3»aR« ssfsss sasRS ■"•^^a" aaaais asiss sa^sp »3af:& Sg'SSS SSRC? SR®3S cicjHwd HHmo^ '"as5S a"''^3!J SSCSS S(rt9SS »!RS«3 £9RSa "■^"d*^ sa^'ssi '^isiis* ""sasjs »S58S SSagR SK^-SP 3e;dS5 ssaas SR353 8«3aa ftasisR« ooooo OOOOO ooooo o o o ooo ssaas as ess saaca P33Rg6 .«^-jjj« S"R»S siaas* !d!^)RSSiai S83KP K»S»& srssas sftsaKS HHHrH ooooo OOOOO OOOOO s?«,3afl ^ssss ^ff^^s ™~3sa a^saa aSRRJ JSSSS H -tcOO CM -(rnr^t-^ - 3 X " _| u. I- £ o Q S; 2 « o g X (E O a. UJ X Q. Q- to o \ae SrtSSS «SSg, 8S !*!^SSS S.S3S3 SSaPS 3,KP ^S??^ ^^^3^ 5?o3SS ss ^^^A^ ^^^ ooooo OfHHH HH OOOOO OOOOO OOOOO OOO OHHOO OOOOO OOOOO OO OOOOO OOO s,P*?,s s?S33, sa ss^as sas-aa sssas ass ^ss'g^ «*R9S ?33ps s* ps?«s^ ss* f~ d "^"^ "^ JiHOH OO Oi0 <*1CUH CWHi-tCUfO ^cno HrOJ-^O 0'>0-»CO[— m^j'^oiri uMA r-lii-ifi-Kn-» gtorri SRSJ&S S8S3E SS ?53g.» S3S,ofl SSSSR &S8 ?«»8S «3K8g artSRS, ^S *S9t:R SSC n^fnCM^tn .^CMOHi-l HO m CTiuma^ rniAcMclo HOi-iHin ^r^CM r^-*-*lrlO OkriCMirim CMOOr^t^ W'^ Hmr^CMH Jtr^CM Jft-HOH d O O O rn OO OOsCM^CJ CModrHiA do S a !».s|.3?s, sssisp R^sdas sss cM^cMoid ddddd ndddd d>4-4 •^ «SP£R 3^3SS S5.3RS P^3 ^-Ov■a^oJ oj CM rH d H ^ (M <-) ^H d O "i rn o o o r4 H o r-i m.a- oi d^ iah mm a S»SR8 .aSP3 rtSSSS rt3 " SSJSSS SP8 odd rncj \d riri Or4C\lr4iA (DCMH ssfae asese ss 3«a«3 ^psm aeaya sigp St3?»s ssdss sss-as ss ss'sssj asjs f^CMr^CMCM tntnmmrl CVCM CMCKT^CM "^HCMCMCU (AcMCM-«CM HCMCM CMF^HCMrH (MCUCUCMH CMr4CMr4H rtiH MHHCMCM tMCUCU l^^atiS «33^S ^3 ^S-f^S?* ^K2?oi^ a^siS^S- fJS'S^ ^SK^Sj. SSflS'3' SS3«^ ^5 S-ffRSK S^S^ OJHiHCUCM (UOIHHOI HH HHHr^i-i Hoioif-tH M A M A ti WHH Hrn DISSOLVED OXYGEN DISSC ^ \.- LVEO OXY ;en (?) (293 8) REDOING S T P. @ (242.81 RED 8LUFF S. T P. (D (93 6) R. D 787 @ (90 21 COLUSA BASIN DRAIN d) (241.9) DIAMOND NATIONAL CORP (io) (80 81 SACRAMENTO SLOUGH (4) (217 4) CORNING S T P (TT) (79 9) FEATHER RIVER d) (1389) BUTTE SLOUGH @ (66.3) R 1000 No 3 (124.2) R. 0. 70 @ (61.5) R 1000 (100.1) R 108 @ (60.4) AMERICAN RIVER Figure 34. PHOTOSYNTHESIS AND RESPIRATION IN THE SACRAMENTO RIVER ABOVE SACRAMENTO -137- Table 36 EFFECTS OF RICE IRRIGATION UPON OXYGEN REIATIONSHIPS August 11-12, i960 . Supply . Drain Average Dissolved Oxygen - mg/l - $ saturation Ranges of Dissolved Oxygen - mg/l - 'jo satiaration Average Biochemical Oxygen Demand - mg/l Range of Biochemical Oxygen Demand - mg/l O.'jk - 3.11 Temperatvire "F Coefficient of Atmospheric Diffusion (k) Diffusion (d) , g/m^/d IN- OUT- NET- Photosynthesis (P), g/m3/d Respiration (r), g/m^/d P/R ratio 7.9 93 5.6 65 6.8 - 9.1 79-110 3.1 - 9.3 J>^ - rL5 1.22 0.60 .7^+ - 3-11 0.U3 - 0.83 75 73 0.89 2.86 1.76 0.17 1.59 11.50 O.lU 11.36 3.28 8.53 4.20 39.60 0.78 0.22 Photosynthesis in the rice field, which incliides the effects of both the algae and the submerged portion of the rice plants, was about twice the maximum foxind in the river while respiration was about four times as high. Accordingly, the net effect of rice irrigation was to increase the orgeuiic loading on the river. It follows that the 5-cLay BOD values obtained for the field do not adequately represent the organic loading. The generally higher photosynthesis and respiration in the upper- most reach correspond with the greater populations of bottom organisms which occur in this area (Appendix D) • Here, sheillow, clear waters flow over a stable bottom and many rapids and riffles are found. These -138- observations are consistent with the classical picture of higher produc- tivity in riffles and lower productivity in deeper pool areas (6U, 66) . Figure 35 shows rates of photosynthesis, respiration and net inward diffusion of atmospheric oxygen between Sacramento (mile 62.6) and Mayberry Slough (mile k.O). In addition to local variations due to individual waste discharges, photosynthesis and respiration rates increased throughout the degradation portion of the oxygen sag curve, decrease in the sag portion, and increase in the recovery portion of the curve. The figiire shows that in the degradation phase, respiration is greater than the sum of diffusion plus photosynthesis, K> (P + D) , and oxygen levels in the stream decrease. Where respiration approximately equals diffusion plus photosynthesis, as in the sag portion, oxygen levels are essentially constant and where R < (P + D), oxygen levels in the stream recover and approach initial concentrations. The general levels of photosynthesis ajid respiration in the river also reflect the algal populations which increase with distance from Shasta (chapter VII, Appendix C). This is pajrbicularly noticeable in the reach below Walnut Grove where concentrations of algae increase sharply and suggest eutrophication due to nutrients and. growth factors, such as vitamin B-)p, in upstream waste discharges. Different portions of the river can be characterized as contain- ing autotrophic or heterotrophic communities in which the metabolism is predominantly plant type or animal type, respectively. In areas of auto- trophic metabolism, photosynthesis is greater than respiration while hetero- trophic communities show an excess of respiration over photosynthesis. These are indicated by the p/r ratios in Table 35 and may be determined by inspection of Figures 3*+ and 35* In general, the river is heterotrophic -139- JUNE 20-24, I960 /^•. AUGUST 29-SEPTEMBER 2,1960 ''^-N / ' \ .-'■ /■ ■ \. 1 ■\ ^ / \ \ / /v^ OISSO.VEO OXYGEN V DISSOLVED OXYGE N \ r r 100.00 so 00 60.00 1000 10.00 B.OO 6 00 <.00 % o.eo o 0.68 >.'\^ 10' — Rivtr 70 Milei -RESPIRATION;; 50 40 -> -r^- CO (2X.3J(.'>jC5; (6; (? OCTOBER 24-28, I960 -PHOTOSYNTHESIS ^NET DIFFUSION 8X9)®^ ®@®® CO@@Kl® Ci)(?) (8X9) (i^ CI2J 03J04TI51 ^At^ DISSOLVED OXYGEN \ /" N \ —/•■ 100.00 eo.oo 6000 40 00 10.00 soo 6.00 4.00 S 80 o 060 NET DIFFUSION' River 70 Milei •RESPIRATIONS PHOTOSYNTHESIS C2X3X'»)(5) (6) (7 © 66.3f R. D. 1000 No. 3 ® 61.5) R. 0. 1000 ® 60.4) AMERICAN RIVER © 58.0) WEST SACRAMENTO ST P. ® 54.1) SACRAMENTO ST R ® 47.7) MEAOOWVIEW S t R © 43.3) AMERICAN CRYSTAL SUGAR CO ® 342) SUTTER SLOUGH ® 32.6) STEAMBOAT SLOUGH ® 27.3) DELTA CROSS CHANNEL ® 26.7) GEORGIANA SLOUGH @ 18.1) ISLETON S. TR ® 14 2) STEAMBOAT SLOUGH @ II .6) RIO VISTA S.TR ® 9.2) THREEMILE SLOUGH Figure 35. PHOTOSYNTHESIS, RESPIRATION. AND NET DIFFUSION IN THE SACRAMENTO RIVER BELOW SACRAMENTO -140- with +he lowest p/r ratios showiiig the effects of waste and irrigation discharges. Photosynthesis in the upper reach rose sharply to a peak between noon euid 1 p.m. and decreased rapidly thereafter, indicating that the floating and attached plants in this clear, shallow water were q.uickly saturated with siinlight. In the deeper, turbid waters of the lower reach photosynthetic rates increased less rapidly to a plateau from about noon to k p.m. and then decreased slowly. In the middle reach, the pattern of photosynthesis was mixed. Diffusion of oxygen to the atmosphere during periods of super- sation in the river occurred at about 90 percent of the stations in the upper reach, ^tO percent in the middle reach, and 2 percent in the lower reach. Table 37 lists the total queuitities of oxygen in the river and oxygen added or subtracted by atmospheric diffusion, photosynthesis, and respiration. The relative importance of the atmosphere and photosynthesis as soxorces of oxygen at various points in the river is shown. The net oxygen is obtained by sxommation of the various sources and losses of oxy- gen at each station. The close agreement between net oxygen and river oxygen is an indication of the completeness of accounting for the several sources and losses. The concentrations of oxygen in the river reflect various waste discharges eind tributary flows. The totad. pounds per day of oxygen re- flects both oxygen level and. flows so that, in the lower reach, the largest reductions in pounds per day between stations are due to diversions. The numericeil values of diffusion, photosynthesis, and respira- tion show a high degree of correlation with physical and biological con- ditions in the river and qualitatively demonstrate the response of the -lUl- < e Si CO > iiJ I- 3 <2 til > O al II ^l/^r^O'^ OmH^fO OrHt-OO* >nC>J*nflOO ff^n^^O H iM rtas^ij ffiii liigs HSH e^ISS ««§SI aSSS§ s^55H flS3S l"3SS rHt-fn^^-^ wir.cji/\^ lrH?'-^S! S?'0^'#9 ^^^^St -I CU (HC J rO-O H CTv to I'^eO t— 00 f^O O 1* n(viH>0 mOvt-OH t-CT«a)J>.0 0-ij* ■« (-^e n gSSfl fg^ii ssg^K sgssg HSSS sS*SS SsiPS sis^^g P5«aS sSIUS ^»S^S §«s^5 ^^13" 2®^S3 aS^s* ass^e H H «\0\0 W<-i« el 01 ^woiinflo coaiJt^ t- t-Ou^ir«sO §I§§S gll§§ 000 IDO 200 000 1*00 Slllg |Sg|§ sftssg snspK ?SS|g §gS^£ S-^ftSf sseas ?S^^^^Sl RSSS3 SS?*S3 saass 0t-^UM- oj>oxoco r- en in^ffl (y. II §11 ISIII liiii mil RSSRa sRsag ssggs SdFiRP SSMiS sdseiR SSSSP casrts o o oo o O OHr4(V r.r.CJCUH HHOifnn KSftas ^^ess s=s-0 VOVO'-OVO IT, cy cJcy oj vo 0^^ H (DO) CO CO 00 CD CO <0 coco ISSS§ SISSS §^3l§ (-eoeoeoco IZ c^CTiON(?\ri MCU^Hm H-^-*if\tr\ \ocotrvrH-l 3SSXR AS3i3 siftsa rtassd mmCViHH oar-r^-i iH-ai-tvOOi Ov-aiAo^H >-lcOr4^r4>/\ sisis ^i'iss s^ssicj saisija"^ S * O "^ ^ >/^^ 01 CO -a >0 i/^vO ■« c t-cniot— n) t-t-omo cvi H H o in or -I t-H 1/MA eo^ o\ t-ir\S5sir. P8CT^S^F- ?^ HHWH^ 3a33j» 3 3 m § m cnovo P\H3o3 p\ O O t-* 3 ^ S r-1 3 hS 3 H\X> ("F- <0 S 3 -a-aj-*-* -*i7i^-*,* (»^^ (rtmo-ir^m tiSt^rAmtf\ toinmcntn mSiro Kic^rtmcS KjrodtySj wffij-j--* -*3 ^^t^-*(o mfo»^ t-ocoJcu (of-Cdco kAffS povo cucyoj i-iddd do r^ r*i-i r^ tA HOOOO OO § iii§s lijssi II """"sfsd ''~" ' '""aR a" a OOOOO OIOOH OO I liiii i°i§° °i sas's'ft s '""a" -•" ssas3 SS!S*,» PSSSA Kff& saartP 83-53^ iSs«aK s«» Ol WHH O W O r.HH t-t w w Hill liiii i^llg ISI SS2S» RE3si,a si,ass-5r SSrt sesrts sa«€3 S3SRS R&S KS-3 «fig§e gg SSS^P S3S H H O i-i CM r40 Sv«3vo \Ous35t- SmrHU>£s uSS KaSc^u^dS 3\3 H n 0\0f«0\3 i-(rOO\^u »SrJc«VOri t-3 OOOxP-^O CTviAI- ■< O rH O H H -H H i-t H OHHOO OHOHO OOOOH OO H H O O O OOC 0\ ty iaS>B t'^3 ^aSc&CUl tr^f-P-O t-t-iA SirvtVONi ivO\D HCO Q\ lOcO H H I SSS 3' m cu\oiAt-cD QeD>^-*' ity-*^>o •'^OnH h w<-,tu dScyqcsi iiH-^Hq OO'V • .'^.'^' '9S « t^AAAA ddddi idddd odd « ddddi idd a -9" a I S8S?; I III H (y » 0\>A I ill 9 •"'o-i-J I III a MmHHo doddo od gSSss ss'S'S'l «s ^^^^1^ <*^cycMcyo ^^ aaaaa aaaaa "^"^ iiill lsH| SS ffi CD CO a) CO -IH HOO>COcO ID F-0\ t— \o cy oj »" cym <^(^c^o^c»^ CT«ovo*a)to CD 00 CO (O CO (oaj ggiis gggll l|S§§ ii lAinso'O'o sO^OkO "MA ^iACTsCT,ON i7\ supplemented by light and dark bottle measurements made at three-hour intervals. In general, intensive field surveys should be conducted over i+8-hour periods and include sampling at three-hour inter- vals at: Mile Location 62.6 Bryte 5i+.2 Above Sacra.mpnto Sewage Treatment Plant 46.3 Freeport U3.I+ Above Clarksburg 3U.6 Courtland 2T.k Above Delta Cross Channel 26.7 Walnut Grove 2iv.3 Ryde 18.8 Isleton li|.2 Above Steamboat S2x)ugh U.2R0.2 Steamboat SloiJgh 12.8 Rio Vista -1U3- The field program sho^lld be supplemented with additional laboratory studies, of river waters, possibly vising manometric techniques, of oxygen uptake and caurbon dioxide production. BOD determinations of wastes should be made at l/2, 1, 2, h, 8, and l6 hours and 1, 2, and 5 days. General monitoring information on oxygen relationships shoiild be obtained by continuo\is recorders for dissolved oxygen, temperature, and pH located at Sacramento between mile 5^*1 and mile 55 and at Walnut Grove (mile 26.7). -llvU- CHAPTER VI. ASPECTS OF WATER QUALITY MANAGEMENT Effects of various tributeury and waste dischaLrges upon water quality in the Sacramento River have been discussed in detail in Chapters IV and V. The requirements for future monitoring of the river emd its influents in order to maintain optimum water quality conditions must be rigorously established. For conservative constituents, such as chlo- rides, a logical data program can best be based upon sauLt-routing or materials balance techniques. For nonconservative constituents, such as organic materials and dissolved oxygen, the data program involves less exact methods based upon continuous evaluation of current conditions. Conservative Constituents in the Sacramento River The conservative (dissolved mineral) content of the water in the Sacramento River is a significant characteristic, important not only in evsiluating the water for various beneficieil uses, but also in develop- ing an understanding of the water quality regimen of the river. The source and magnitude of dissolved mineral content are depend- ent upon many factors, generally dealing with geochemical and hydrologic conditions on tributaj:y watersheds. For the purposes of this discussion it is sufficient to consider only the total amovints of dissolved minerals contributed by the various tributary streams and other accretions. The general water quality regimen of the Sacramento River is best understood by outlining the flow emd mineral concentration relation- ships that exist between the river and its various tributaries from Keswick Dam to Freeport. -145- Basic Data Various water sampling programs have been conducted during the past 50 years which serve to delineate the magnitude of dissolved minerals contained in the Sacramento River and its tributary streams. These pro- grams have differed both in their periods of record and their degree of detail. Since the early igUO's, water sampling programs have been suf- ficiently continuous and detailed to provide an index of annual water quality conditions in the Sacramento River itself. However, only since about 1955 have water qviality data been adequate to calcvilate with reason- able accuracy, the relationships between the various tributary sources and the water quality regimen of the river. Throughout the following discussion, specific electrical con- ductance of water, expressed as micromhos per square centimeter at 25 "C, is used as a measure of concentration of dissolved minerals. The con- ductance is proportional to the concentration of dissolved minerals in Sacramento River water. Flow-Mineral Concentration Relationships The Sacramento River is generally an accreting stream, normally doubling its annual mean flow over the reach between Keswick. Dam and Freeport. During the spring, it is normal for the river to more thaji triple its flow over this reach, while during the rest of the year, the flow remains more nearly constant. These different flow conditions are reflected in chajnges of dissolved mineral content. In many streams, a well-defined relationship exists between flow and mineral concentration. This relationship can be determined enipiricEilly by plotting flow rate versus mineral concentration for the stream at any point. Such well-defined relationships generally exist -li+6- on streams draining watersheds of a homogeneous character and upon which very little chaiige from natural conditions of storage and use hais occurred, and indicate stable watershed characteristics. However, on the Sacramento River, a stable, well defined, characteristic is not in evidence. Water from Keswick Reservoir contains dissolved mineral concen- trations that are not related to the rate of flow from the reservoir; rather, these concentrations are controlled by the degree of mixing of waters of different characteristics flowing into the reservoir. As flows proceed downstream from Keswick Dam, accretions of water 8uid dissolved minerals from the various independent tributaries, tend to develop a rela- tionship between flows and mineral concentrations in the river. By the time flows have reached Sacramento, an indifferent relationship exists. This relationship is neither well defined nor stable, since it is heavily dependent upon which of the maiiy independent tributary sotirces is predomi- nating at the time of a particular flow occxirrence. Meeui concentrations of dissolved minerals at Freeport dtiring months when Feather and American River flows are high, are inversely proportional to Sacramento River flows. When these tributary rivers are at low flow, and the agricultural drain flows are high, an increase in flow in the Sacramento River is usually associated with an increase in mineral concentration. A mathematical model of flow and dissolved minereO. content of the river system was developed to provide a quantitative description of the interrelationships between the dissolved minereO. contents of the Sacramento River and its tributaries. The model was operated under con- ditions prevailing during the I96O calendar year when water quality con- ditions were within 10 percent of the 20-year mean and hydrologic conditions were within 25 percent of the 50-year mean. This indicates that I96O was adequately representative of normal conditions. Further, these -II+7- relationships suggest that water quality varies over a much smaller range than stream flows, conclusion that is supported by independent anatlyses of flow-quality correlations. The mathematical processes eniployed in this evaluation were simple but volimiinous. Commencing with a mean flow rate from Keswick Reservoir containing a measured mineral content, the various accretions to the river were successively added to both the flow rate and mineral content respectively. Just before each point of diversion, the summation of mineral content were divided by the svmnnation of flow rate to compute the mineral concentration of diverted water. Subsequently, the quantity of both water and mineral content contained in the depletion was subtracted from the main flow. This process was repeated for each of the measured accretions and depletions of the river until a point was reached where daily sampling data provided sm adequate measiire of the river's meem mineral content. At these points, the computed mean mineral concentra- tions were compared with the measured values. This verification process indicated possible errors of less than 10 percent and 20 percent when considering annual and monthly means, respectively. The apparent errors in these cetlculations are useful in estab- lishing the significance of quantitative results of this study and for evaluating the adequacy of the existing basic data collection program. Qiiantitative Results The Sacramento River normally is an accreting stream with two typical seasonal accreting patterns. The auinual mean flows and mineral concentrations (as electrical conductemce) and means of two periods repre- sentative of the typical seasons are presented on Figure 36. -IkQ- 20 10 20 200 I960 ANNUAL MEAN 150 20 10 — 100 -L ■ 200 APRIL, I960 120 10 — 100 JUNE 16 -AUGUST 31,1960 115 M 185 50 445 460 500 (/) o > ^ o O O £ c be o JC £ TO c o C ■ E S o o CO ""(75 ■"<75 o o £ ^ 1 o O g 1 o t^ LU nflow West O C C in O o n a a (n o _i CO — O) a > m • — c o o E > < IT 5 o o '♦- a> « E ^ c o 3 < a> > CC = S c 0) 5 J? i5 ^ o <_ (O o c o o Si o > < CO nn /50 LEGEND FLOW SALT AVERAGE SPECIFIC CONDUCTANCE Figure 36. AVERAGE FLOWS AND TONS OF SALT TRIBUTARY TO SACRAMENTO RIVER, I960 -149- Although detailed interpretation of the water quality regimen cannot be made on an annual basis, the data in Table 38 are useful in evaluating contributions from vario\is tributaries to the flow and minered. content of the river. Table 38 i960 ANNUAL MEAN CONTRIBITTION FLOW AND MINERAL ACCRETIONS TO SACRAMENTO RIVER, I96O . Percent of [Total Inflow : :Mean Mineral .Percent of Total. Concentration .Mineral Content .^^ Micromhos INFLOW Sacramento at Keswick 33 Minor East Side Tributaries 10 Minor West Side Tributaries 8 Municipal 8u:id Industrial Waste Discharges Colusa Basin Drain 3 Sacramento Slough 5 Feather River at Mouth 27 American River at Mouth 11 Net Unmeasured Accretion 3 OUTi-'LOW Sacramento River at Freeport 80 Total Diversions 20 27 11 13 2 9 lU 17 k 3 81 19 120 165 730 520 i+30 90 60 150 From these annual statistics it can be seen that there is a mean increase in mineral concentration of the Sacramento River of about 25 percent occurring between Keswick and Freeport. This increase in mineral concentration can be attributed to dissolved minerals contained -150. in less than 20 percent of the accreting flows. In a sense, these flows could be considered as the soiirces of degradation of the river. Sacramento Slough and Colusa Basin Drain constitute the major portion of these de- grading flows, and contribute almost 25 percent of the total mineral content in the river, while providing less than 10 percent of the total flow. The Feather River reduces the effects of these degrading flows on the Sacramento River. Figure 3^ shows that seasonal variations in the quantities of degrading flows are not large, while the extreme fluc- tuation in flows of the Feather River are instrumental in causing the mineral concentration of the Sacramento River at Freeport to vary more than 50 percent. It follows that when flows of the Feather River become regulated by large upstream storage capacity, seasonal mean mineral con- centrations in the Sacramento River will approach the calculated annual mean. Other than for the effect of the Feather River, no generalized statement can be made concerning the relative effect of any specific tributary on seasoned, variations in mineral concentrations of the Sacramento River. Although the American River exerts a significant effect by reduc- ing the minerel concentrations in the Sacramento River, there appears to be no seasonal cycle to. its effect. The same is true of the various agricultural drains. Although there is a tendency for all agricvilturaGL drains to become more concentrated with dissolved minerals during the winter months, there does not appesir to be any distinct seasonal pattern among them, either individually or collectively, which would relate to the magnitude of their effects on the mineral concentrations in the Sacramento River. There axe about 70 sites of accretion or depletion euLong the Sacramento River, any one of which is capable of exerting a significant -151- effect on the river's dissolved mineral content. The relative magnitude of these effects is vsiriable and with present knowledge, not predictable to a high degree of reliability. However, subject to the limits of accuracy with which, water qusQ-ity conditions can be measiired on the tributary soiirces, a mathematical model of the river system is capable of comput- ing the combined effect of these tributaries on the river's dissolved mineral concentration. A conrparison of these computed values with measured values of dissolved mineral concentrations along the Sacramento River indicates some question of the accuracy with which the existing water quality data collection program measures conditions on the tributary sources. Comparison of dissolved mineral concentrations computed and measured on the Sacramento River at various locations are shown in Table 39- Adequacy of Basic Data During i960, about 30 percent of the dissolved mineral inflow to the Sacramento River was sampled on a continuous or daily basis, about 60 percent was sampled monthly, and about 10 percent was not sampled at all. To a large degree, the frequency of sampling establishes the credi- bility of resulting basic data. Therefore, the major portion of dissolved minerals entering the river have been assessed at values that are not beyond question in accuracy. Ground water surface contours indicate that the Sacramento River is usually accreting flow from ground water from Keswick to about Butte City, and that it is losing water to ground water from Butte City to Freeport. This condition causes an actual gain and loss of water that is included, but not always apparent, in the net unmeasured accretions to stream flow that axe determined by difference between the summation of tributary flows and the measured outflow for a reach. Since accretions -152- ON ro 0) H Eh a i M 0) 0) tH O j •rH 0) +^ Q •rH • • •• u 1 t:) a 0) (U O 4^ -p o 3 -p ft ^ • • •• w t:) 0} 0) • • • • •• 1 u (U f8. -^ -eP. h- H ro + + I OD VO B ro H -eft + H oo £• cd 3 s r^ •H s ,Q ^ (A QJ (q B< >-i pt, S < ro ITN CO LfN H H H O "sP. -?^ -eP- vo H oo + + + o 00 H I CO ro -4- H OJ I J- ro ro H J- LPi o H ON I rH ro H -4- -4- H CO I o o ro H I H -«#*- 3 VO VO H ^ ^ ro + VO ro OJ CO H -eft. CO I o H ro OJ I 14 o H ro I VO +> rH 10 c I -4- I OJ OJ ^ J- H I H a> ft CO J- OJ H + I OO CO C^ 00 H rH LfN t^- ro O OJ OJ H O + O oo LTN H (h (U (U +J ft CO ro I S ^ ^ H H H VO O H H -eP- -efi. -eP. S ?i ^ I I I O O ro ?4 y 2i J- C^ On ro CO oo H H rH ■eR. -e^ "^ -4- -4- OJ I I I ITN ITN ON d d d O O Ol ^ ?1 2i •-i I rH U (D O ■P o o + VO H oo I ro J- H 5 H ■eP- ON CO OJ I CO ITN 00 H >H ^ -9 0) a o >fi. >f». OJ t— + + H ro H O + oo H o o VO 1^ H H ■pp. -tfi. Vi) ro + + + On t- H rH rH OJ -4- -4- H H >^ >fs. VO t~- 1 CO I O VO oo VO ro ro H H >p. >^ Ol CO + H + + H J- ON ON o ro I 0) q 1^ iJ oooi iH H H ?1 ?!:::?&;:? dOVO C— CVl ^^ CM H !? R Co" H H H CVI 00 00 Ol o ooo t—t- t— fOOl V +> -160- CHAPTER VII. SUMMARY The Sacramento River Water Pollution Survey has provided base- line vater qual i ty conditions in the river from Shasta Dam to Mayberry Slough; information on present sovirces of degradation and their influence on water quality in the river; and recommendations for future routine water queG-ity monitoring and special investigations necesseury in a water quality management program. The field program was conducted from April i960 through June 1961 at stations shown on Plate 1. Hydrologic conditions during this period were 75 or more percent of the 50-yeaLr mean while water quality conditions were within 10 percent of the 20-year mean. This means that while hydrologic conditions vary over wide ranges, water quality varies over much smaller ranges. Accordingly, although the following discussion is based primarily on the I96O-61 svirvey data, it is considered representa- tive of present conditions. Water temperatures at Keswick generally vaxy between 50 and 55*F« During winter months, temperatures decrease as the water moves downstream. For the rest of the year, tenrperat\ires rise to between about 60 and 75° above Sacramento. After being cooled a few degrees by inflows from the American River, tenperatvires remain essentially constant except for loceil seasonal- increases in the lower reach where tidal current re- versals dominate. Divtmal temperature variations reflect local hydrographic conditions and may be vised to determine mixing lengths. The Sacramento River is slightly alkaline with a median pH of 7.3 from Keswick to Rio Vista. Tributary streams are similar and irri- gation returns are somewhat more alkaline. Spring Creek is strongly acid -161. because of mine wastes; however, this discharge is qxiickly buffered or neutralized so that no effect on the river was observed. Suspended solids, turbidity aiid color are low at Keswick, sub- sequently reflect seasonal runoff from unregulated tributary streams, and show increases due to irrigation retvirns and waste dischajrges £Uid to algae in the middle and lower reaches. Tastes and odors reflect a l g al populations. River water used for domestic piurposes accordingly req\aires treatment for turbidity and taste or odor removeJ. in eiddition to that required for bacteriological purification. Mineral quality of the water, as measured by specific conduct- ajice or total dissolved solids, typically improves d\iring the spring months as the river flows from Keswick to Sacramento due to snowmelt in tributary streams. During the balance of the yeax, water quality is degraded by irrigation return flows below Colusa, which typiceilly have specific con- ductance values between 300 and 600 micromhos during the irrigation season and between 600 and 1200 micromhos during the winter. Qtiality is improved by flows from the Feather aM Americaji Rivers. Specific conductance varied between about 120 and ito micromhos in the upper reach throughout the year. At Sacramento, values ranged from about 120 in the spring to about 260 in September. Relationships between flow and quality in the river are not clearly defined. Relationships between specific conductemce and dissolved contituents are, in general, reasonably defined; locally, dif- ferent source waters cause these relationships to be poorly defined. In general, variations of constituent minerals are consistent with varia- tions in conductance. Seven continuous conductivity recorders between Red Blviff and Isleton showed the effects of intermittent discharges of irrigation returns and provided data on travel times end mixing. -162. Salt-routing studies have shovm that mineral quality in the Sacramento River can best be established and can only be explained on the basis of expanded monitoring ^f tributary flows. The mineral quality of Sacramento River water presently meets criteria for nil beneficial uses. Concentrations of various constituents in the river at Sacramento are from one-third to one-half the objectives stated in depairtmental contracts for the sale of water. ABS concentrations in the river below sewage treatment plant discharges are low. At Freeport, concentrations of 0.1 ppm were found about heilf the time and none was detected during the remainder. Dissolved oxygen concentrations varied between 10 and 11 ppm neeu: Redding and decreased more or less uniformly throughout the remain- ing length of river. Saturation values started out at 98 or 99 percent, rose somewhat within the upper reach while the effects of heating were dominant, and then decreased towards the mouth of the river. The oxygen sag below Sacramento extends from about mile 50 to mile 15" with minimum observed values between 5-2 and 6.5 ppm and between 51 and 69 percent saturation. Diiimal variations of dissolved oxygen followed the classi- cal pattern, with minima at about dawn and maxima in mid-aJTtemoon, for 62, k8, and 28 percent of the time in the upper, middle, and lower reaches, respectively. The departures from the classical pattern which were found during the balance of the time are explained by variations in respiration. These variations, together with the over-all loss of oxygen in the water as it flows from Redding to Mayberry Slough, limit the application of both the oxygen-sag analysis (Streeter-Phelps, et seq ) emd the diurnal curve analysis (Odum) in characterizing the oxygen relationships in the river. -163- Rates of oxygen gains emd losses due to atmospheric diffusion, photosynthesis, and respiration detennined from diurnal curve analyses show qxialitativity the response of the river to veurious waste discharges and provide the best method for vilti mate quemtitative determination of waste assimilation capacity. Multiple linear correlations of physical parameters and oxygen and BOD factors provide an independent method of evaluating assimilative capacity. Additional studies are required to establish absolute waste assimilative capacities by either method. -161*- CHAPTER VIII. RECOMMENDATIONS Ultimate requirements for water quality management of the Sacramento River system can best be met on the basis of the following recommendations : 1. The emphasis in water quality monitoring for conservative constituents should be chajiged from the river to the tributaries. Two permanent and eight temporary conductivity recorder installations; three permanent daily water qxxality sampling stations in cooperation with the U. S. Geological Survey; thirteen permanent ajid eleven temporary monthly (paxtial mineral) surface water qxiality monitoring stations, with semi- annual complete mineral, and trace element analyses; two permanent dissolved oxygen recorder stations; three permanent carbon filter installations; and four permanent monthly stations for algae analyses will provide the min i mum of basic data. The locations of the above stations are listed on Table ^4-1. This monitoring program will require monthly computation, evalixation, and reporting of water quality in the Sacramento River. 2. Further analysis of data obtained during the present inves- tigation should include: a. Evaluation of verticeQ. and. longitudinal mixing from continuous conductivity recorder data. b. Multiple linear correlation of algae concentrations, atmospheric diffusion coefficients, auad hydrographic features together with flows, temperatures, oxygen levels, and BOD's to better estab- lish waste assimilative capacities. 3. Conduct special 1:;wo-day intensive surveys of oxygen rela- tionships with sajapling at three-hour intervals during each month of the year for a two-year period. Determine flow, travel time, temperature, -165- pH, alkalinity, dissolved oxygen, and short-term BOD in river and photo- synthesis ajid respiration in light and dark bottles. Seimpling stations should be located at miles 62.6, ^k.2, h6.3, hS.k, 3^-6, 2J.k, 26.7, 2U.3, 18.8, llf.2, 1U.2R0.2, and 12.8 on the river. Determine flows and short- term bod's of waste discharges during intensive sampling periods. k. A special study of water temperatures and heat balances throughout the Sacramento River system, including the Sacramento -San Joaquin Delta, should be made to provide operational criteria for reservoir opera- tion, to estimate the capacity of the river to assimilate thermal pollu- tion, and to provide data on mixing. 5. At intervals of about three years, conduct intensive sur- veys of oxygen relationships and bacteriological conditions of lower reaches of Sacramento and AmericEui Rivers d\aring August or September when waste discharges reach annual peaks. 6. Investigate travel times, flow distribution, and mixing in waterways of the Sacramento-San Joaquin Delta by means of continuous conductivity recorders which will reflect intermittent discharges of irri- gation return waters. 7. After monitoring program outlined in paragraph 1, above has been in operation for one year, make predictions of future water qtiality conditions in the Sacramento River. These predictions should be made biennially and should include consideration of a Sacramento Valley Master Drainage System. 8. Future investigations which are similar in scope to the Sacramento River Water Pollution Survey should provide for about two man- days on data evaluation for each man-day in the field, concurrently with the data collection phase. Duri,ng the final data evaluation and report writing phase, an additional two man-days in the office are required for each day in the field. These ratios do not include laboratory requirements. -166- BASIC DATA TABLES AND FIGURES T-1 Table T-1 RESULTS OF ANALYSES MONTHLY SAMPLING PROGRAM T-3 O — Q. (- IT 111 llJ -J (D 1 < > IE UJ " CO g -i a. < 0- < is U. a I O 2 O <0 -« 2! 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If • Is 3 5 ili a -I 3 SIS ?5? 1 1'" •a z ^ 3 ^ II ?1 s d 1 ,11 OS <6 3 s II J- 9 d ^ ?^- P^ 38 5 ■-0 d ^ :s« (\ c d j:j as ""3 „"" 5 II ^ S S3 ^?o 00 d oj °r^ s .^^ 8 2 3l5 S s d 33 =51 8 1^ 3 il g 9 8 G 1 s 1= .33 ^ « ^ 8 51 3 8 c S E S ■fe 1 s 1 Si Is isl M 8| a : i hi sals s u ll iiP^ 3 1 U j • Il- llll IIS ^ U' i^ I? «g 888P||as saSaasaa I »|s|»T,s|sla|ai! £ S£2£££i a59a85iaS«»«!:SBR £ £ l¥ 1 ; s a s s s », 1 ! i, 2 1 3 2 a 1^ h H 1 ®|»|s|*l-|» h I 1 1 1 i £ i W ^ 1 1 H !n? i- 1? 8 a s a a 28 as lllll ■ « • « ■ ^g £££££ • a a 9 8 S 8!J «» SKSRR i i i i i i i i 11^ ^MU ||§i§ 21 illlll i" i5 aassa aaaas sa ssai^aa h • i RSI-"" --«'-«> "■a aasasa i i i i i T-81 Table T-9 RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM JUNE 6 - 10, i960 EXPLANATORY COMMENTS 1. Unless otherwise noted, the .stations are on the Sacramento River. The numerical designation of the stations was an artibrary method of identifying the stations during the sampling program. 2. Values shown in parenthesis and marked with an asterisk ( ) appeared unrealistic and were not used in computing maximum, minim\:mi and average values . 3. Values for biochemical oxygen demand (BOD) are reported in the follow- ing manner: Example Method Time BOD a. Values shown in the example at right were OIO5 1-93 obtained from duplicate analyses of a com- 03^4-5 1.03 posite of the two samples collected at the specified times. b. Two BOD values shown for one time indicates I915 1.27, 122 that duplicate analyses were made on a single sample collected at that time. c. A single BOD value reported between two times 1330 indicates that the value was obtained from a 1-25 composite of samples collected at those times. I62O d. A single value shown for a specific time is 1530 l.UO the BOD of the sample collected at that time. h. Values for ABS, O-PO^, and T-POij. were reported in the same manner as described for BOD resiilts under sections c. and d. of item 3. T-82 TABLE T-9 SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM JUNE 6-10,1960 STATION Al MILE 293.9 DATE TIME PST TEMP •F B.g/1 00 %SAT SOoyBOO m«/l ASS m,/l 0-PO, mg/l T-P04 mfl/l 6-6-60 6.7-60 6.«-6o 6-9-60 6.10-60 0720 10» 50 11.0 11.2 97 10k 1.1.5 l.kO 0.0 0.0 0.0 1J15 1600 53 53 11.1 U.5 102 106 2.11. 1.91. 0.0 0.1 0.2 19SO ssoo 52.5 53 10.6 U.l 96 102 1.16 i.a 0.0 0.0 0.2 0105 031.5 51 52 10.9 10.9 97 98 1.93 1.03 0.0 0.1 0.1 0705 1015 52 51.5 10.9 11.0 98 99 1.1.7 1.1.7 0.0 0.1 0.1 IJJO 1605 51' 51-5 11.2 11.0 IDk 99 1.83 1.83 0.0 0.0 0.1 1915 8130 51 51 10.8 10.5 96 91. 1.27,1.22 0.0 0.0 0.0 0050 0330 53 52.5 (9.2)* ID. 6 (81.)* 96 2.26 0.0 0.0 0.0 0720 1010 1^.5 50.5 10.9 U.3 96 100 0.0 0.1 0.1 1j620 52 52 11.1 11.5 100 101. 1.25 0.0 0.1 O.l 1930 2210 53 50 10.6 10.3 97 91 1.05 0.0 0.0 0.0 0055 03to 50 50 10.6 10.7 91. 95 l.kl 0.0 0.0 0.0 0705 1010 50 51 10.6 11.1 96 99 1.51 0.0 0.1 0.1 1330 1630 53 SI. 10.7 10.6 98 98 1.71. 0.0 0.0 0.0 191* 2135 51. 53 10.0 10.0 93 92 2.95 0.0 0.0 0.1 0055 03l>5 1.8.5 U9 u.l U.2 96 97 1.1.5 0.0 0.0 0.2 0710 50 U.l 98 RANGE J MAXIMUM MINIMUM 51. 1.8.5 U.5 10 .0 106 91 2.95 1.03 0.0 0.0 0.1 0.0 0.2 0.0 AVERAGE 51.5 10.9 98 1.59 0.0 0.0 0.1 STATION Reddliv Scvwe TraaTaent PUnt Dtaetiui* HILi 293. B» DATE TIME PST TEMP •f 00 1114/I 00 %SAT SOoyBOO ng/l ASS 0-PO, TPO. 6-6-60 6-7.60 6.8.60 6-9.60 6-10-60 0657 1000 72 76 91 3.6 19 20 1250 I6li0 78 78 IM 6.5 » 2k 1900 2150 7k 7k U!» 5.9 It 16 001.5 0325 T3 92 3.8 16 19 0650 0955 71.5 73 88 6.7 16 16 1£50 1550 7k 7k 9» 6.6 21 22 IB57 2U5 73 73 97 6.6 15 » 0035 0310 7k 7k 66 5-3 12 12 0650 0955 73 73 113 36 16 16 1320 1605 73 7k 176 7.0 2k 2k 1910 2U3 7k 73 u; 5-7 23 23 0035 0325 7k 72 TO k.5 16 16 0655 0955 71 73 78 2.3 16 16 121.5 1610 s 226 k.» 26 26 1930 2110 73 7k 120.3 k.k 7.8 8.0 0035 0330 7k 72.5 78 3.6 16 23 0700 72 58 2.7 7.8 10 o.^rc MAXIMUM "*'•" MINIMUM 78 71 226 58 7.0 2.3 26 7.8 26 8 AVERAGE 73.5 109 5.0 17.0 18.5 STATION A2 MILE 291.7 DATE TIME PST TEMP •F 00 mfl/l DO %SAT 5 Day BOO mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l 6-6-60 6.7-6O 6-8-60 6-9-60 6-10-60 0820 1050 50 52 U.2 U.6 99 105 O.7I 0.61 0.0 O.l 0.1 lk02 1650 51. 51. 10.6 U.l 98 103 0.73,0.63 0.0 O.l 0.1 2020 2355 52 10.5 95 0.6k 0.8k 0.0 0.1 0.2 OlkO Ok25 50 50 10.8 10.7 96 95 0.58 0.57 0.0 0.1 0.1 07kO 1050 50 51.5 U.O U.k 97 103 0.87 0.71 0.0 0.1 0.1 IkkO I6k5 5k 52 U.2 10.5 lOk 95 0.58 0.68 0.0 0.0 0.0 1955 2220 51 50 10. e 10.5 96 93 0.71 1.02 0.0 0.1 0.1 0135 OklO k9 50 10.8 10.8 9k 96 0.81 0.0 0.0 0.0 0750 lOkO k9 50 10.9 U.3 95 100 0.77 0.0 0.1 0.1 lk05 1650 52 52 U.O U.O 99 99 1.09 0.0 0.1 0.1 19k7 21k0 52 51 U.O 10.6 99 95 0.83 0.0 0.0 0.0 0125 0U20 50 k9.5 10.7 10.6 95 93 1.01 0.0 0.0 0.1 07I.O I0k5 50 51 U.O u.2 97 100 1.29 0.0 o.l 0.1 IkOS 1655 5k 52 10.9 10.8 101 97 0.96 0.0 0.1 0.1 2010 2230 50.5 50 10.2 10.1 90 89 1.06 0.0 0.0 0.0 0130 Ok20 k8.5 k8.5 10.9 U.2 9k 9- 1.3k 0.0 0.0 0.0 RANGE MAXIMUM MINIMUM 5k 1.8.5 U.6 10.1 105 69 1.3k 0.57 0.0 0.0 o.l 0.0 0.2 0.0 AVERAGE 51 10.9 97 0.9. 0.0 0.1 0.1 STATION A3 MILE 288.3 DATE TIME PST TEMP •F 00 mg/l DO XSAT SOoyBOO mg/l ABS mg/l 0-PO, mg/l T-P04 mg/l 6-6-60 6.7.60 6.8.60 6.9-60 6-10.^ 0935 U30 52 52 U.k U.6 103 U5 0.61 0.56 0.0 0.1 0.1 Ikks 1720 55 53 U.2 10.8 105 99 0.71 0.59 0.0 0.1 0.1 2100 2320 S3 53 lO.l 93 0.»7 0.66 0.0 0.1 0.1 0220 Ok55 50 50 U>.9 10.8 96 »6 0.0 0.1 0.1 a8ko U35 50 52 U.2 U.8 99 106 0.7k 0.66 0.0 0.1 0.1 1515 1725 5k 53 U.5 10.9 106 100 0.76 0.67 0.0 0.0 0.0 2015 2300 53 51 10.5 10. k 96 93 0.92 0.51 0.0 0.1 0.1 0215 0515 k9 50 10.7 10.5 93 93 o.ai 0.0 0.0 0.0 0620 U25 k9.5 50.5 U.l U.5 97 102 0.78 0.0 o.l 0.1 lk20 1720 53 53 U.l 102 1.07 0.0 o.l 0.1 2020 2320 52 50 10.6 10.3 »5 91 1.39 0.0 0.0 0.0 0220 0515 k9.5 k9.5 10.5 U>.6 92 93 1.93 0.0 0.0 0.0 08 JO 1125 JO 51 U.O U.5 103 0.90 0.0 0.1 0.1 Ik 35 17J0 53 53 U.6 10. J 106 9k 1.23 0.0 o.l 0.1 2035 2325 51 k9 U.O 9.9 n 0.96 0.0 0.0 0.0 58 57 10.1. 10.2 101 98- 1.01 0.0 0.0 0.0 OJIO 0550 56 55 10.0 9.9 95 93 I.IO 0.0 0.0 0.0 0855 n55 55 51.5 10.3 10.7 96 96 1.95 0.0 0.1 O.l 1500 1800 57 58 10.1. 10.8 100 105 1.05 0.0 0.1 0.1 201.5 2JI.0 58 57 10.5 10.0 102 96 1-32 0.0 0.1 0.1 0310 0550 55 5* 10.2 10.0 95 93 I.I17 0.0 0.0 0.0 R4NGE \ MAXIMUM IINIMUM 60 51 U.l 9.9 107 91 2.1.9 0.50 0.0 0.0 0.1 0.0 0.2 0.0 AVERAGE 56.5 10.3 99 1.15 0.0 0.1 0.1 STATION C9 MILE 256.3 DATE TIME PST TEMP DO mg/l 00 *SAT soor BOO mg/l ABS mg/l 0^K>, mg/l T-P04 ing/l 6-6-60 6-7-60 6-8-60 6-9-60 6-10 .& 0926 1225 52 56 9.9 10.3 89 98 1.01 0.96 0.0 0.1 O.l 1535 1825 58 59 10.2 U.k 99 102 0.85 0.90 0.0 0.1 0.1 2130 0020 59 59 10.2 10.0 100 98 1.19 1.19 0.0 0.1 0.1 0355 0620 58 56.5 10.2 U.O 99 95 0.87 0.86 0.0 0.1 0.1 0925 1225 5* 56 10. 1 U>.k 91. 99 2.03 1.22 0.0 0.1 0.1 1830 58 59 10.6 10.5 U3 U3 1.52 1.83 0.0 0.0 0.1 2130 0020 58 58 lO.k 10.1 Ul »8 1.22 1.1.2 0.0 0.1 0.1 0355 0620 57 56 10.2 U.O »8 95 1.12 0.0 0.0 0.1 0925 1225 56 57 U.O U.5 95 110 1.38 0.0 0.1 0.2 1535 1835 58 58 u.l. U.6 Ul U3 1-38 0.0 0.1 0.1 2125 0020 59 58 U.k U.2 U2 99 1.1.8 0.0 0.0 0.0 0355 0550 57 56 10.2 9.9 98 9'. 1.1.1 0.0 0.1 0.1 0920 U25 56 57 U.2 U.5 97 Ul 1.26 0.0 0.1 0.1 1530 1830 58 5« U.6 U.8 U3 U5 l.llO 0.0 0.1 o.l 2130 0020 1? U.5 U.o U2 97 1.93 0.0 0.0 o.l 0355 0620 57 55 u.o 9.8 96 92 1.28 0.0 ... ... RANGE 1 AXtMUH INIMUM 59 52 u.5 9.8 uo 89 2.03 0.85 0.0 0.0 0.1 0.0 0.2 0.0 AVERAGE 57 10.3 99 1.29 0.0 0.1 0.1 STATION DIO MILE 2kk.l DATE TIME PST TEMP •F DO mg/l DO % SAT 5 Doy BOO mg/l ABS mg/l O-PO, mg/l T-PO, mg/l 6.6.60 6.7.60 6.8.60 6.9 -5 60 60 U.2 U.3 U2 U3 2.16 2.28 0.0 0.1 O.k 1650 1915 60 59 U.l. U.l. Uk 102 2.09 2.06 0.0 0.0 O.l 2235 oow 59 59 U.k U.2 U2 UO 1.58 0.0 0.1 O.l 0500 0800 58 58 U.l U.l ^ 1.01 0.0 0.1 0.3 1120 1»05 60 60 U.2 U.3 102 U3 2.25 0.0 0.1 0.1 1650 1925 60 59 U.5 U.k U5 U2 2.26 0.0 0.0 0.0 2225 0155 H U.3 U.2 Ul 99 l.k2 0.0 0.0 0.0 0505 0800 58 58 U.O U.O 97 97 1.06 0.0 o.l o.l 111A IkOO 59 60 U.2 U.k 100 Uk 2.62 0.0 0.0 0.0 1700 M*5 59 58 U.5 U.k U3 Ul 1.72 0.0 0.0 0.0 22k0 0U5 58 59 U.3 U.3 100 Ul l.k8 0.0 0.0 0.0 0505 58 U.2 99 1.20 0.0 0.2 0.2 RANGE 1 MAXIMUM 4INIMUM 60 58 U.5 9.8 U5 95 3.35 0.82 0.0 0.0 0.2 0.0 O.k 0.0 AVERAGE S9 U.2 Ul 1.80 0.0 o.l 0.1 STATION Red muff Sen» Ti r.rt«.irt PIaM MILE 2k2. M DATE TIME PST TEMP •F DO mg/l DO %SAT 5 Doy BOO mg/l ABS mg/l 0^>04 mg/l T-PO, mg/t 6.6.^ 6.7-«0 6-8-60 6-9-60 6-10-60 0730 T3 TO 2.6 7.3 9.5 loks 1330 ^ US 6.8 31 33 1615 1930 78 T7 88 7.0 U.O 19 2155 0120 75 75 96 5.2 16 16 OkJO 07S0 73 kl 2.1 7.7 6.6 UJO 1330 n 78 116 6.6 25 26 1690 1855 78 T7 88 6.9 19 20 22U ooy> 76 75 86 6.] Ik Uk Ok JO 0725 s 66 2. J 6.0 6.0 UkS Tt 7« US 7.1 26 26 at 1855 78 ■n •5 7.2 19 ao 2200 0105 76 7k n 5.5 16 16 Ok JO 0780 7k Tk * 2.0 T.J T.6 UJO U35 s U6 6.1 26 rt 16J0 1990 7« TT 90 52 16 19 22U 0055 76 75 90 k.5 U 15 OkkJ Tk J7 I.k 1.9 J.9 RAN«C 1 AXIUUM INIHUM 7» TJ U6 >k 6.6 2.0 n 1-9 '1.9 AVERASC 76 63.6 5.2 15 .9 IT.O T-85 TABLE T-9 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM JUNE 6-10, I960 STATION DU WILE 238.1 DATE TIME PST TEMP mg/l 00 %SAT 5 Doy eoO mq/l ABS mg/l 0-P04 mg/l T-PO, mg/l '6-6-60 6-7-60 6-8-60 6-9-60 6-10-60 0855 59 10.0 98 0.59 0.61 0.0 0.0 0.1 11U5 11*50 60 63 10.3 10.0 103 103 0.92 0.87 0.0 0.1 0.2 3015 60 59 10.2 10.0 102 98 1.51 0.1.0 0.0 0.1 0.1 2320 0230 58 58 10.1 10.2 98 99 0.91 0.88 0.0 0.1 0.1 0525 0825 58 59 10.0 10.0 97 98 0.70 0.53 0.0 0.1 0.1 niio 1U25 60 61 10.3 10.3 103 101. 0.50 0.1.8 0.0 0.1 0.1. 1725 60 59 10. U 10.3 101. 101 0.3U 0.59 0.0 0.1 0.1 2310 0215 58 58 10.2 10.2 99 99 0.71 0.81 0.0 0.1 0.2 0530 0830 58 58 10.2 10.2 99 99 o.im 0.0 0.1 0.1 iaU5 1I130 60 60 10.1 10.3 101 103 0.51 0.0 0.1 0.1 1715 2020 60 59 10.1. 10.3 lol. 101 0.54 0.0 0.1 0.1 2255 0230 53 58 10.2 10.3 99 100 0.66 0.0 0.1 0.1 0530 0815 58 59 10.1 10.1 96 99 0.56 0.0 0.1 0.1 11140 IU25 60 60 10. U lO.U lOlt lOll 0.55 0.0 0.1 0.1 1725 2010 59 58 10.lt 10.2 102 99 0.66 0.0 0.1 0.1 2305 0215 57 57 10.2 10.2 98 98 0.69 0.0 0.0 0.1 0530 57 10.3 99 0.50 0.0 0.0 0.0 RANGE \ MAXIMUM HINIMUM 63 57 10.1. 10.0 loU 97 1.51 0.3I. 0.0 0.0 0.1 0.0 0.1. 0.0 AVERAGE 59 10.2 100 0.66 0.0 0.1 0.1 STATION D12 MILE 235.2 DATE TIME PST TEMP DO mg/l DO % SAT 5 Doy BOO mg/l ABS mg/l 0-P04 mg/l T-PO, mg/l 6-6-60 6-7-60 6-8-60 6-9-60 6-10-60 091.5 59 9.9 97 0.71. 0.53 0.0 0.1 0.1 1225 1525 61 62 10.2 10.1 103 103 0.30 0.51 0.0 0.1 0.1 171.5 201.5 60 59 10.2 10.0 102 98 0.1.7 0.52 0.0 O.l 0.1 2350 0315 58 53 10.1 10.2 98 99 O.lU o.il* 0.0 0.1 0.1 0600 0905 58 60 10.0 •10.1 97 101 0.68 0.50 0.0 0.1 0.1 1210 11.50 61 62 10.3 10.3 lait 105 O.kl 0.93 0.0 0.1 (1.6)' 1750 2015 61 60 10.3 10.2 104 102 0.52 0.1.7 0.0 0.1 0.1 231.5 0300 '2 58 10.1 10.2 98 99 0.71 0.71 0.0 0.1 0.1 0600 0915 58 59 10.2 10.2 99 100 0.1.7 0.0 0.0 0.1 1225 1500 61 61 10.2 103 0.55 0.0 0.2 0.2 171* 201.5 61 59 10.3 10.2 lOU 100 0.61 0.0 0.1 0.1 2325 0310 58 57 10.2 10.1 99 97 0.66 0.0 0.1 0.1 0610 0930 58 59 10.0 10.1 97 99 0.60 0.0 0.1 0.1 1215 1500 61 61 10.1 10.3 102 lok 0.77 0.0 0.1 0.1 1750 20l« 60 58 10.3 10.2 103 99 0.76 0.0 0.0 0.0 2335 0305 57 57 10.2 10.2 98 98 0.78 0.0 0.0 0.0 0605 57 10.1 97 0.62 0.0 0.0 0.0 o..,^c MAXIMUM ""'"^^ MINIMUM 62 57 10.3 9.9 105 97 0.93 o.lk 0.0 0.0 0.2 0.0 0.2 0.0 AVERAGE 59.5 10.2 100 0.56 0.0 0.1 OJ. STATION E13 MILE 228.1. DATE TIME PST TEMP °F DO mg/l DO %SAT 5 Doy BOD mg/l ASS mg/l 0-PO, mg/l T-PO, mg/l 6-6-60 6-7-60 6-8-60 6-9-60 6-10.60 0730 62 9.9 101 1.26 0.93 0.0 0.1 0.1 101.5 1325 66 69 9.8 8.9 loU 98 0.56 0.51 0.0 0.1 0.1 1625 1910 68 66 9.6 99 102 0.64,0.51. 0.0 0.1 0.1 2215 0115 60 8.9 9.9 92 99 0.82 0.82 0.0 0.1 0.1 0500 O7I.5 58 59 9.9 9.6 It o.iu. 0.37 0.0 0.0 0.0 IOI.5 1335 62 67 10.0 9-3 102 100 0.65 0.76 0.0 0.1 0.1 1630 1915 66 61. 8.8 9.2 tl 0.58 O.W 0.0 0.1 0.1 2215 0U5 61 59 9.2 10.1 93 99 0.66 0.81 0.0 0.1 0.2 0500 O7I.5 57 59 9.8 9.1. 91. 92 0.60 0.0 0.1 0.1 IOI.5 1330 61 68 9.8 9.6 99 101. 0.67 0.0 o.l 0.1 1630 1915 68 65 9.6 9.9 101. 101. 0.83 0.0 0.1 0.1 2215 0120 61 58 9.6 10.1 97 98 l.U 0.0 0.1 0.1 0500 0T50 57 59 9.7 10.0 93 98 0.91. 0.0 0.0 0.1 1050 1330 62 67 9.9 10.0 101 107 0.6S 0.0 0.1 0.1 1625 1915 67 61. 10.0 9.9 107 103 0.91 0.0 o.l 0.1 2215 0120 60 57 9.9 9.6 99 92 0.87 0.0 0.0 0.1 0500 57 9.8 91. 0.66 0.0 0.1 0.1 RANGE I AXIMUM INIMUM 69 57 10.1 8.8 107 92 1.2^ 0.37 0.0 0.0 0.1 0.0 0.2 0.0 AVERAGE 62.5 9.7 99 0.72 0.0 0.1 0.1 STATION Ell* MILE 224.4 DATE TIME PST TEMP D mq/l DO %SAT 5 Doy BOD mg/l ABS mg/l 0-PO, mg/l T-PO. 1 mg/l I 6-6-60 6-7-60 6-8-60 6-9-60 6-10-60 0815 62 9.9 101 1.10 1.07 0.1 0.1 0.1 1130 11.10 62 64 9.9 8.9 101 93 0.35 0.20 0.0 O.l 0.1 1700 1950 65 64 9.2 9.3 97 97 0.56 0.52 0.0 0.1 0.1 2255 0200 64 60 8.6 9.6 90 96 1.32 1.20 0.0 0.1 0.1 0530 0815 59 59 9.8 9-9 96 97 0.43 0.35 0.0 0.0 0.0 1120 1410 62 63 9.9 9.1 101 94 0.51 0.30 0.0 0.1 0.1 1700 1955 63 9.3 9.4 96 97 0.46 0.56 0.0 0.1 0.1 2255 0155 61 60 9.2 9-8 u 0.86 0.71 0.0 0.1 0.2 0540 0315 59 59 9-5 9.7 93 95 0.50 0.0 0.1 0.1 1115 1410 61 62 10.0 9.6 101 98 0.48 0.0 0.1 0.1 1700 1955 63 62 10. 1 9.6 96 98 0.74 0.0 0.1 0.1 2255 0200 60 59 9-5 9.7 95 95 o.ai 0.0 0.1 0.1 0530 0815 57 59 9.7 9.8 93 96 0.77 0.0 0.0 0.1 1120 1410 62 62 9.9 9.3 101 95 0.57 0.0 0.0 0.0 1700 1955 63 62 9.6 9.6 5? 98 0.83 0.0 0.0 0.0 2255 0155 60 59 9.6 9.5 96 93 0.85 0.0 0.0 0.1 0535 57 9.6 92 0.71 0.0 0.0 0.0 RANGE ^ AXIMUM INIMUM 65 57 10.1 8.6 101 90 1-32 0.20 0.1 0.0 0.1 0.0 0.2 0.0 AVERAGE ' 61 9-6 96 0.67 0.0 0.1 0.1 T-86 TABLE T-9(Con(inued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM JUNE 6-10,1960 STATION d.^ MILE 217.6 DATE TIME PST TEMP •F m,/l 00 %SAT 9 Day BOO mg/l ABS mg/l 0-PO, m9/l T-PO. 6-6-60 6-7-6i- 6.8-60 6-9-60 6-10-60 0850 65 9.7 102 0.61. 0.61 0.0 0.1 0.1 1205 11.50 65 TO 9.6 9.0 101 100 0.66 0.61 0.0 0.1 0.1 1750 »50 70 67 8.6 8.9 96 96 0.65 0.7k 0.0 0.1 0.1 8355 0300 6I> 59 8.5 9.5 89 93 0.73 0.86 0.0 0.1 0.2 0620 0905 I 9.6 9.7 98 0.71 0.53 0.0 0.0 0.0 1290 1500 6I> 6S 10.1 9.8 105 100 0.51 0.1.6 0.0 0.1 0.1 1755 a055 65 65 Vi 97 93 0.66 0.55 0.0 0.1 0.1 2355 0850 63 59 9.3 9.6 96 91. 0.8l 0.77 0.0 0.1 0.2 0630 0900 5« 59 9.5 9.8 92 96 0.55 0.0 0.1 O.l 1200 1500 ^ 9.8 9.6 101 102 0.72 0.0 0.1 0.1 1755 2055 68 65 9.5 9.5 103 100 0.76 0.0 0.1 0.1 2355 0310 63 59 9.2 9.5 95 93 0.78 0.0 0.1 0.1 0620 091O 59 60 9.9 9.7 97 97 0.90 0.0 0.1 0.1 1205 1500 62 68 9.7 9.9 99 107 0.77 0.0 0.1 0.1 1755 2055 68 61. 9.6 9.5 104 99 0.77 0.0 0.1 0.1 2355 0300 63 59 9.3 9.5 9« 93 0.90 0.0 0.1 0.1 0625 59 9.6 91. 0.65 0.0 0.0 0.0 R4NGE J AXIMUM INIMUM 70 58 10.1 8.5 107 89 0.90 0.1.6 0.0 0.0 0.1 0.0 0.2 0.0 4VER4GE 63.5 9.5 98 0.69 0.0 0.1 0.1 STATION n 6 MIL! 207. DATE TIME PST TEMP mg/l DO %SAT SDoyBOD mg/l ABS ii.g/1 0-PO. mg/l TPO, mg/l 6-6-60 6-7-60 6-8-60 6.9-60 6-10-60 091.5 12kl 62 61. 9.9 10.0 101 IDk 0.61 1.07 0.0 0.1 0.1 I5W 1820 61. 65 U).0 10.7 10k U3 0.56 0.55 0.0 0.1 0.1 212) 00»5 6k 63 9.9 9.9 103 U>2 0.52 0.V9 0.0 0.1 0.2 0320 0615 63 62 9.8 9.8 101 UO 0.6k 0.55 0.0 0.1 0.1 0925 12U> 61 62 10.0 10.3 101 U)5 0.58 0.7k 0.0 0.1 0.1 151« 1820 62 61. U.l 10.2 103 106 0.k8 0.56 0.0 o.l 0.1 2120 OOJO 61. 63 10.0 9.9 Uk 102 0.66 0.71 0.0 0.1 0.1 0335 0630 62 62 9.9 9.9 101 101 0.52 0.0 0.1 0.1 0930 12t0 60.5 62 10.3 lO.k 103 106 O.kS 0.0 0.1 0.1 151« 1820 61. 61. 10.1 10.2 105 106 0.6k 0.0 0.1 0.1 2120 0030 61. 63 10.0 9.8 Uk 101 0.8k 0.0 0.1 0.1 Ul 62 61 9.8 9.9 100 100 0.71 0.0 0.1 0.1 0930 121(0 61 61 10.0 10.2 101 103 0.67 0.0 0.1 0.1 ISW 1820 62.5 63 10.3 10. 2 105 105 0.77 0.0 0.1 0.1 2120 0030 61. 63 10 .0 9.8 10k 101 0.85 0.0 0.0 0.0 0330 0630 62 60.5 9.9 9.9 101 99 0.6k 0.0 0.1 0.1 HANOE J AXIMUM INIMUM 65 60.5 10.7 9.8 113 99 1.07 0.k2 0.0 0.0 0.1 0.0 0.2 0.0 AVERAGE 62.5 10.0 103 0.6k 0.0 0.1 0.1 STATION FIT MILE 199.6 DATE TIME PST TEMP •F mg/l DO %SAT 5 Do/ BOO mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l 6-6-60 6-7-60 6.8-60 6.9-60 6-10-60 0825 65 9.5 100 1.1k 1.0k 0.0 0.0 0.0 llk3 lk20 6k 65 9.7 9.8 101 103 1.02 1.02 0.0 0.1 0.1 1720 2010 65 65 10.0 9.9 105 10k 0.58 0.58 0.0 0.1 0.1 2320 0215 65 6k 9.8 9.7 103 101 0.65 0.0 0.1 o.l 0500 0815 6k 63 9.7 9.7 101 100 0.6k 0.59 0.0 0.1 0.1 U30 lk20 % 9.9 10.1 102 105 0.81 0.65 0.0 0.1 0.1 1720 2020 6k. 5 6k 10.1 10.1 106 105 0.51 O.kl 0.0 0.1 o.l 2320 0230 6k 63 '•2 9.8 103 101 0.61 0.61 0.0 0.1 o.l 0500 0815 62.5 '•2 9.8 101 100 O.kk 0.0 0.1 o.l 1115 lk20 63 6k 10. 1 9.9 10k 103 0.k3 0.0 0.1 0.1 1720 2010 6k 6k 10.1 10.0 105 10k o.ks 0.0 0.1 0.1 2320 0215 6k 63 '•2 9.8 103 101 0.61 0.0 0.1 0.1 0515 0815 % 9.7 9.7 100 100 0.5k 0.0 0.1 o.l U15 lk20 63 63.5 9.8 10.1 101 10k 0.60 0.0 0.0 0.0 1720 2010 6k 63.5 10.1 u.l 105 lOk i.ei 0.0 0.1 o.l 2320 0215 63.5 63 9.9 9.8 102 101 0.73 0.0 0.0 0.0 0515 0815 62.5 62 9.7 9.7 99 99 0.73 0.0 0.0 0.1 RANGE ] lAXIMUM INIMUM 65 62 10.1 9.5 106 99 1.21 o.kl 0.0 0.0 0.1 0.0 0.1 0.0 AVERAGE 63.5 9.9 102 0.69 0.0 0.1 0.1 STATION T\& MILE 18k 5 DATE TIME PST TEMP •F 00 mg/l 00 *SAT SOoyBOO m,/l ABS mg/l O-PO, mg/l T-PO, mg/l 6-6-40 6-7-60 6.8-60 6.9.60 0750 65 9.3 98 0.k2 O.kl 0.0 0.1 0.2 1052 13kO 66 68 9.k 9.5 100 103 0.76 0.76 0.0 0.1 0.1 I6k0 1925 %. 9.7 9.9 106 109 0.60 0.5k 0.0 0.1 0.1 2235 0132 67 6k 9.6 9.6 103 UJO 0.71 0.53 0.0 0.1 0.1 Ok25 0735 6k 6k 9.k 9.5 98 99 0.67 0.56 0.0 0.1 0.1 10k5 13kO H M U>1 107 0.k£ 0.k9 0.0 0.1 O.l l6ko 1925 68 67.5 9.8 9.6 107 0.59 0.99 0.0 o.l 0.1 2235 0U5 6k. 5 63 9.8 9.9 103 109 1.01 1.12 0.0 0.1 0.1 okso 0735 62.5 63 9.8 9.7 100 UO 0.k9 0.0 0.1 0.1 10 JO l3ko 6k 67 9.8 9.8 us 105 O.kS 0.0 o.l o.l l6ko 1925 l?.5 1:? ua 107 0.59 0.0 0.0 0.0 2235 OIJO 66 63 9.7 9.7 U3 100 0.81 0.0 o.l 0.1 okjo 0730 %■' 9.6 ».7 9« 9) 0.6k 0.0 o.l 0.1 10 JO IJkO 6k 67 9.7 9.7 101 Uk a.« 0.0 0.2 0.2 l£kO 1925 67 67 9.8 9.8 U5 105 0.51 0.0 0.1 0.1 8SJ5 «13» 66 Vl UJ 99 0.85 0.0 — ~ OkJO 0T30 6e.j 63 9.6 9.6 98 99 0.67 0.0 0.1 0.1 RANGE "»'""U" M»m.c MINIMUM 69 6e. 9-9 9.J 109 98 1.12 O.kl 0.0 0.0 0.2 0.0 0.2 0.0 AVERAGE 65.5 9.7 102 0.6k 0.0 0.1 0.1 T-87 Table T-10 RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 3-7, i960 EXPLANATORY COMMENTS 1. Unless otherwise noted, the stations are on the Sacramento River. 2. Values shown in parenthesis and marked with an asterisk ( ) appeared unrealistic and were not used in computing maximum, minimiim and average values . 3. Values for biochemical oxygen demand (BOD) axe reported in the follow- ing manner: Example Method Time BOD a. Values shown in the example at right were OIO5 1.93 obtained from duplicate analyses of a com- 03^5 1-03 posite of the two samples collected at the specified times. b. Two BOD values shown for one time indicates 1915 1-27, 1-22 that duplicate analyses were made on a single sample collected at that time. c. A single BOD value reported between two times 1330 indicates that the values was obtained from a 1'25 composite of samples collected at those times. I620 d. A single value shown for a specific time is 1530 l.U^O the BOD of the sample collected at that time. k. Values for ABS, 0-P0lj.,.and T-POI4. were reported in the same majiner as described for BOD results under sections 3- and d. of item 3- REFERENCE NUMBERS 1. Redding Sewage Treatment Plant (influent), mile 293. 8r. Sample col- lected at either 07i4-5 and I050. 2. Red Bluff Bridge, mile 21+U.l. Samples collected at 2150, October 3, and OOUo, October k were composited. 3. Red Bluff Bridge, mile 2kk.±. Samples collected at 2i<-00, October 3, and 03^5 > October h were composited. k. Ord Ferry, mile I8U.5. Samples collected at O8OO and 1355 were composited. 5. Ord Ferry, mile 18^1.5. Samples collected at 1055 and I655 were composited. 6. Ord Ferry, mile I8I+.5. Questionable value. T-88 TABLE T-IO SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 3-7. I960 srariON cyi tzft trmu lrU» (ttUlLt) MILE 293.9 OAIE TIME PST TEMP 00 DO %S«T 9 0o>B00 mg/l Aes 0-PO. n>Q/l T-PO, mg/l 10-3-60 10-I1-40 lO-S-60 U>-«-60 10-7-40 0805 10li5 56 56 10.2 10.9 97 101 k-SS 0.0 0.0 0.0 1350 161,0 57 56 11.1 10.8 107 103 l.U 1950 2?35 56 56 10.2 10.1 97 96 0.91 0.0 0.0 0.0 0230 0500 51,-5 5I..5 10.2 10.2 95 95 k.90 08?0 1U5 55.5 56 10.5 u.o 99 105 S.T7 0.0 0.0 0.1 131.5 161,0 56. (60)* 11.0 10.8 105 loe l.U 0.9k 191,5 56.5 55.5 10.1, 10.1 99 95 0.83 O.T* 0.0 0.1 0.1 0215 0520 51, 51.5 10.6 10.3 98 96 2.7k S.72 0805 1110 55 10.1, U.0 97 3.3B 3.50 0.0 0.1 0.1 1350 161,0 58 55.5 10.7 10.1, 101, 98 o.rr 191,5 221,5 55 51, .5 10.2 10.2 95 95 1.09 0.0 0.1 0.1 0220 0510 57 57 10.2 10.2 98 98 3-19 0600 1110 55.5 57 10.2 10.6 96 1D2 3.1B 0.0 0.0 0.0 131,5 161,5 56 55 10.6 10.7 103 100 1.19 1.1k 191,5 2250 51, .5 51,. 5 10.3 10.2 96 95 o.te 0.82 0.0 0.0 0.0 0230 0520 51, .5 51, 10.3 10.0 96 93 3.02 3.05 R4NGE itAXIMUM ■1INIMUM 58 51. U.l 10.0 107 93 1..90 0.78 0.0 0.0 0.1 0.0 0.1 0.0 «VER«GE 55.5 10.5 99 2.10 0.0 0.0 0.0 STATION IkidAliw fVrv« Mill 291.eB DATE TIME PST TEMP •F ing/l DO %SAT 400,800 ABS mg/l o^>o, n^/l T-PO, ^9/1 10-3-iO lO-VA IS-5-60 10-6-60 10-7-60 13J0 XTi 8.6 2k 26 19 JO SOi k.3 ao 23 01k; kS 1.5 16 16 0T» 237 3-3 ko kj 1325 112 T.k 27 27 193D UJk 5.6 a 26 0150 22 1.6 8.J 10 OTkS 1050 (172)1 (25)' (22)' (26)1 1330 31k 5.5 26 k2 1930 156 U 21 23 0150 ko l.T 2k 26 OTkO 58 2.0 U 15 1330 139 6.3 26 36 IS 30 13k 6.3 21 22 0200 18 „..^r MAXIMUM "N" MINIMUM 3lk L8 U 1.5 to 8.5 k3 10 AVERAGE ISO k.8 22 26 STATION BoJJInc Sevafie Tre(.t»-nt PIbji*. (Sfrluent) MIL 293. a» DATE TIME PST TEMP •f D mg/l 00 HEAT 5 Do, BOO mg/l ABS mg/l 0^>04 mg/l T-PO, mg/l 10-3-60 lO-L-tO 10-5-60 11-6-60 lP-7-60 07k5 1030 ■;5 76 61 2.6 13 13 1330 1625 T9 78 152 1930 »20 76 71: 15c 0.2 IB 23 011,5 01,1,0 Tt. '5 92 0750 uoo 72 78 8.9 22 23 1325 ifes 78 78 100 1930 2225 78 76 98 6.8 2k 25 0150 0500 75 68 071.5 1050 7U 76 91. 3.8 18 V 1330 1620 76 78 Ikk WJO ?230 78 78 lk6 1.7 23 25 0150 OI4I.5 75 75 78 O7I.O 1055 76 76 130 2.9 19 2k 1330 11135 78 78 159 1930 22liO 76 76 m 6.k 26 26 0200 0M.0 76 71. (a RANGE MAXIMUM illNIMUM T9 Cl 8.9 1.7 13 37 13 AVERAGE 76 109 k.9 20.1 2k. 8 STATION root of BODiqrTlow Sebool Itoal MILE 291.7 DATE TIME PST TEMP •F 00 mg/l 00 %SAT S Do, BOO mg/l ABS mg/l O.PO, mg/l T-PO, mg/l 10-3-60 10-1.-60 lD-5-40 10-6-60 10-7-60 0850 1110 51, .5 55 10.7 U.2 100 105 1.06 0.0 0.0 0.1 uoo UlS 56 56 UJU 10.8 lot 10} o.ee 2035 2310 5« 55 10.2 10.1 99 9k 0.»T 0.0 0.0 0.0 0300 0530 51 5k 10.3 10.2 91 9k 0.62 081.5 U3S 51 55 10.6 U.2 9« 105 0.7k 0.0 0.0 0.0 lL2fi 1710 56.5 55 11.5 10.8 110 101 0.6k 0.76 2015 2)10 51.5 5k 10.) 10.1 96 9k 0.73 0.60 0215 asu S3 53.5 10.) 10.) 91 9k O.to. 0.72 oeu) llliO 51, .S 5S 10.5 U.2 »« Uk 0.70 0.1k 0.0 0.1 o.t 11. IS 1705 S5 55 10.8 10.) 101 96 0.66 201S 230S Sk 5k 10.1 10.0 9k ») 0.61 0.0 0.1 0.1 02I,S 0530 Sli.S 51 .5 10.1 10.1 9k 9k 0.63 oe» lUO ss lo.k lO.T 9T 100 0.62 0.0 0.0 0.1 IklO 1710 SS.S ss u.l 10 .a 10s 101 0.69 0.9T 2010 2)1» 5kJ Sli 10.) 10.) 95 0.T6 o.n 0.0 0.0 0.0 0255 0S50 Sk Sk 10.2 10.1 9k »» 0.72 o.b RANCC 1 MAXIMUM aiNIMuM s« 5) U.5 lOX no 9) 1.06 0.60 0.0 0.0 0.1 0.0 0.1 0.0 AvtRACC Sk.S lo.S ♦« 0.T9 0.0 0.0 0.0 T-89 TABLE T-IO (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 3-7, I960 station: Uotc Claar Cr««k MILE 268.3 OATE TIME PST TEMP DO mg/l D % SAT 5 Ooy BOD mg/l ABS mg/l 0-PO, mg/l T-PO4 mq/l 10-3-60 10-I.-60 10-5-60 10-6-60 10-7-60 0920 lUO 51. .5 55 10.6 11.2 99 105 0.72 lli30 1615 56.5 56 11.5 10.6 110 103 0.92 2005 23W 55 55 10.2 10.1 95 91. 0.75 0315 0555 5li 51 10.1 10.1 91. 91. 0.81. 0905 1155 5I1.5 55 10.6 11.2 99 105 0.67 1505 1735 56.5 56 11.5 11.0 110 105 0.78 0.72 20li5 2335 55 5li 10.3 10.1 96 91. 0.60 0.69 0310 0605 53.5 53.5 10.1 10.2 92 93 0.68 0.81. 0905 1159 51. 55 10.1. 11.3 96 106 0.55 0.57 1105 1735 55 55 u.o 10.3 103 96 0.9U 20I4O 2335 5I..5 51. 10.1 10.0 91. 93 0.88 0310 0600 51. .5 51. .5 10.0 10.1 93 91. 0.80 oeiio U55 5I1.5 55 10.2 10.7 95 100 0.91. mo 17l<5 56 55.5 11.2 10.9 107 103 0.95 0.9k 2035 231.0 55 51. 10.3 10.1 96 91. 0.70 0.72 0315 0615 51. 51. 10.3 10.1 95 91. 0.71 0.75 RANGE 1 AXIMUM INIMUM 56.5 53.5 U.5 10.0 110 92 0.95 0.55 AVERAGE 55 10.5 98 0.76 STATION mildle Stake Plih Velr MILE 285.9 DATE TIME PST TEMP D mg/l DO %SAT 5 Day BOD mg/l ABS mg/l 0-PO, mg/l T-P0« mg/l 10-3-60 10-1.-60 10-5-60 10-6-60 10-7-60 0810 1110 56 58 9.9 10.6 91. 105 0.7* 1325 1635 56 59 U.O 9.9 107 97 0.96 2025 221.0 58 57.5 10.1 9.8 96 95 0.75 0210 01.50 55 55 10.0 10.1 93 91. 0.91 oeio 1110 56 58 10.1 10.5 96 102 0,70 1350 161.5 56.5 59 u.o u.o 108 106 0.66 0.76 2000 221.5 58.5 56 10.3 10.0 100 97 0.69 0.S9 0210 0510 56 56 10.0 10.0 95 95 0.71 0.73 0610 mo 56 56 10.1 10.6 96 103 0.88 0.81 11.00 16U5 58 56 10.7 10.3 101. 100 o.tv 2000 221.5 58.5 58 9.8 9.7 96 91. 0.78 0210 0510 56 57 10.0 10.1 95 97 0.89 0800 1100 57 56 10.0 10.3 96 100 1.10 1355 1655 59 59 10.2 10.7 100 105 0.38 0.80 1955 221.5 56.5 56 9.8 9.6 96 93 0.71 0.70 0200 0500 55 56 10.0 10.1 93 96 1.21. 1.27 RANGE MAXIMUM MINIMUM 59 55 u.o 9.6 108 93 1.27 0.66 AVERAGE 57.5 10.2 96 0.83 STATION: Xtvarrlew lufih Be ad MILE 263.0 DATE TIME PST TEMP DO mg/l DO % SAT 5 Doy BOD mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l 10-3-60 lo-Wo lD-5-60 10-6-60 10-7-60 061.5 111.5 56 58 9.9 10.6 91. 105 0.80 Uoo 1710 56 .5 59 U.l U.l 109 109 2.22 2100 2318 56.5 57.5 10.2 10.0 100 97 0.71 o^^5 0525 55 55 9.9 10.0 93 93 0.81 061.5 1U.5 56 57 10.1 10.6 96 102 0.69 11.30 1715 58 59 u.o u.l 107 106 0.76 0.83 2030 2315 56.5 58 10.3 9.9 101 96 0.59 0.70 021.5 051.5 56 56 9.9 10.0 91. 95 0.80 081.5 ul.5 56 56 10.1 10.6 96 103 0.T9 0.76 U50 1715 58.5 57.5 10.3 10.1. 100 100 0.86 20I1O 2225 58 56 9.9 9.9 96 96 0.85 021.5 0515 57 57 9.9 9.9 95 95 1-13 0830 1130 57 58 10.0 10.3 96 100 0.55 11.35 1720 59 59 10.5 10.7 103 105 o!85 2030 2315 56.5 58.5 10.3 9.9 100 97 0.80 0.70 0230 0530 56 56 10.0 10.1 95 96 0.99 1.27 RANGE 1 MAXIMUM MINIMUM 59 55 u.l 9.9 109 93 2.22 0.55 AVERAGE 57.5 10.3 99 0.87 STATION AMersoQ - Palo Cedro Brld «e MILE 279.6 DATE TIME PST TEMP "F DO mg/l DO %SAT 5 Ooy BOD mg/l ABS mg/l O-PO4 mg/l T-PO« mg/l 10-3-60 10-1.-60 10-5-60 10-6-60 10-7-60 0915 1215 56 58 10.2 10.6 99 103 0.T3 11.25 1750 59 59.5 10.5 10.7 102 106 1.11 2125 231.0 59 56 10.1 10.0 99 97 0.60 0315 0555 55 56 10.0 10.0 93 95 0.97 0915 UlS 56 56 10.1 10.6 96 103 O.T* 11.50 171.0 59 59.5 u.l 11.0 109 109 0.7I. 0.75 2100 231.5 56.5 56 11.0 10.1 106 98 0.62 0.62 0315 0615 56 56 10.0 10.0 95 95 0.T5 0.72 0915 1215 f. 10.2 10.6 97 103 0.61> 0.70 1515 17I.O 58.5 57.5 9.9 10.6 97 103 0.56 2105 231.5 56 58 9.6. (6.0)' '5. (76)* 0.95 0315 0600 57 57 9.7 9.7 93 93 0.88 0900 1200 57 58 9.8 10.5 91. 102 0.6c 11.55 171.0 59 59 10.0 10.7 98 101. 0.73 0.80 2050 231.0 56.5 56 9.5 lOd 93 97 0.67 0.61 0300 0600 56 56 10.0 10.0 95 95 l.k3 1.50 RANGE 1 1AXIMUM MINIMUM 59.5 55 u.l 9.3 109 93 1.5« 0.56 AVERAGE 57.5 10.1 96 O.SO T-90 TABLE T-IO(Conlinutd) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 3-7, I960 MIL 275.0 DATE TIME PST TEMP 00 mg/l 00 %SAT SOotBOO m,/l ABS O-PO4 mg/1 T-PO4 mg/l 10-3-60 IO-I1-6O 10-5-60 10-6-60 10-7-60 oeoo 1100 9.9 10.2 0.69 lllOO 1700 57.5 57.5 10.7 U.O lOli 107 1.93 2005 2255 57.5 57 10.8 10 .li 105 100 1.06 OJOO 0500 55 51 10.1 9.9 91I 92 0.95 oaoo 1100 5ii 56 10 J 10.3 93 98 0.9k 1355 1700 57.5 58 10.8 U.l 105 108 o!ao 2000 2300 57 57 10.9 10.5 105 101 l.Ok 103 0200 0500 56 51i 10.1 10.0 96 93 0T» 0800 1100 55 56 10.0 10.I4 93 99 0.1k 0.65 liiOO 1700 57 56.5 10.8 lo.e 103 101 0.79 IS 15 2300 56.5 56.5 10.6 10.1 101 96 1.35 0200 0500 56 56 9.6 9.9 93 91 0.36 0800 UOO 56 57 9.8 10.1 93 97 1.06 1355 1700 59.5 58.5 10.6 10.7 105 105 0.97 0.88 W50 2300 58 57 10.7 10 ji 103 100 0.80 0.80 0200 0500 56 55 10.1 10.0 96 93 1.09 0.95 oeoo 55 10.1 91. 0.81 0.T7 RANGE 1 MAXIMUM MINIMUM 59.5 5li 11.1 9.6 108 92 1.93 0.36 AVERAGE 56.5 10.3 99 0.91 STATION Ja IXn Parn ■rUi [• MILE 2*55 OATE TIME PST TEMP 00 mg/l 00 %SAT 500,800 mg/l ABS mg/l o^>o. mg/l I-PO. mg/l 10.3-60 lO-A-60 10-5-60 10.6-60 lO-T-60 08W UkO 9-9 10.2 0.73 11.50 1T35 59 58 10.5 10.6 103 103 e.o6 80k5 23S5 58 58 ID. 5 10.3 101 100 0.91 OMO 05W s 10.0 10.0 96 95 0.68 OSkO UW 55 57 9.9 10.2 u 0.66 lk35 17W 57.5 59 10.6 10.7 L02 lOk 0.80 0.86 8030 8335 5« 58 10.6 lO.k 1S2 101 O.TT 0.66 0240 05M> 57 56 10.1 U.O 97 95 0.81 0.7« owe UkO 56 56 9.9 10.2 9k 97 0.6k 0.6k lk35 1735 57 57.5 10.5 10.5 101 102 O.Bk W30 2335 57 57 10.3 lO.l 99 97 1.10 08k0 05*0 57 57 9.a 9.8 9k 9k 1.02 08kO UkO 57 58 9-7 10 .0 93 97 0.97 lk35 1T35 60 60 10.3 10.2 103 102 1.00 1.02 2025 2335 ^ 10.2 10.1 100 98 0.71 0.79 02k0 05kO 57 56 10.1 10.0 97 95 0.90 0.95 06kO 56 9.9 93 0.68 0.6k RANGE 1 MAXIMUM MINIMUM 60 55 10.7 9.7 lok 93 2.06 0.6k AVERAGE 57.5 10.2 98 0.86 STATION Bend Bridge MILE 256.3 DATE TIME PST TEMP •F D mg/l % SAT S Oo> BOO mg/l ABS mg/l 0-P0« mg/l T-PO. mg/I 10-3.60 10-I..60 10.5-60 10-6-60 10-7.60 0905 1210 9.9 10.2 0.82 1515 IfllD 58 59 10.3 ID.k 100 Ul (2.58)* 2U5 2355 58 58 10. k 10.3 Ul 100 0.77 0310 0610 57 56 10.0 10.0 96 95 0.67 0910 1210 57 57 9-9 10.1 95 97 0.62 1500 IS15 57 58 10. k 10.5 100 Ul 0.65 0.70 2050 0005 57.5 57.5 10. k 10.2 Ul 99 0.60 0.62 OJIO 06ID 53 57 10.1 10.0 98 96 0.53 0.61 0910 1210 u 10.0 10.1 96 98 0.60 0.58 1500 IBOO 57 57 10.3 10.3 99 99 0.68 2110 0005 57 57.5 10.2 10.1 ^ o.ai 03)0 0610 57 58 9.9 9.8 95 95 0.88 0910 1210 58 58 9.8 9-9 95 96 i.oe 1505 1800 60 60 U.l U.l Ul Ul o.es 0.8k 2055 0005 60 59 U.l U.l Ul 99 0.70 0.T7 0310 061D 58 57 U.O U.O 97 96 0.89 0.85 0910 57 9.9 95 0.k3 0.k8 RANGE 1 MAXIMUM MINIMUM 60 56 U.5 9.8 Ul 95 1.02 0.k3 AVERAGE 53 u.l 98 0.71 STATION IM Hurt B rU(> MILE Hk.l DATE TIME PST TEMP •F 00 mg/l DO % SAT SDorBOO mg/l ABS mg/l o^K), mg/l T.PO. mg/l 10-3.60 IOJ..6O 10-5-60 u-6.. BOD mg/l ABS mg/l O-PO, mg/l T-PO, mg/l ia-k-«o 10-5-60 10-6.60 10-7-60 0900 1200 7k 7» U2 "..J 2k ^7 IW.5 ITW 80 (0.5 iw 2115 ao 13» gs 78 76 158 122 5.* 3.8 Ik 12 Ik S2? 76 76 80 lUO D.30 s lA 6.2 31 36 1715 2030 80 79.5 136 02to 77 77 72 3.8 11 16 05*5 09*0 76 T6 63 1130 1A25 S 115 5.6 SB 3k 1730 2100 SO 79-5 122 2330 02kO 7« 76 93 3.8 5.6 6.6 0600 08k5 76 76 53 1150 11.30 78 79 137 5.9 29 33 1725 2030 79 78 U£ 2320 0235 78 76 91. k.5 Ik U 051* 0830 ?i 78 r.A.,..r MAXIMUM •"""^E MINIMUM 80.5 7'. l£k k5 6.2 3.8 31 5.6 36 6.6 AVERAGE n.5 107 "•.9 18.7 222 STATION. Re. 1 BABk On .ek MILE 2kl.« a DATE TIME PST TEMP "F DO mg/l DO % SAT 5 Doy BOO mg/l ABS mg/l O-PO, mg/l T-PO4 mg/l 10-k-6C 10-5-60 10.6-60 10-7.60 0520 0800 6k 65 1.0 1.0 10 U 16 1100 Ikoo 7k 78 l.k 1-3 16 16 25 I6k5 2000 73 68 0.8 0.6 9 7 30 2300 0205 67 65.5 0.5 0.5 5 5 37 0.3 0.6 0.8 0515 0800 65 66.5 0.5 0.6 5 6 36 1100 Ikoo 75.5 72 0.7 0.7 8 8 31 0.3 0.5 0.7 1700 2030 70 68.5 1.1 0.3 12 3 3k 2300 0210 68 67.5 0.5 0.7 5 8 3k 0.5 0.6 1.1 0520 0820 67 67 0.7 0.9 7 U 18 lIlOO 7k. 5 75 1.3 1.2 15 Ik 35 O.k 0.5 0.7 1650 2000 S.5 0.9 0.6 7 57 2300 0205 66 65 0.5 1.0 5 10 k2 O.k O.k 0.9 0515 0800 65 66.5 ?:J I ko RANGE ""'""" <"""'<' MINIMUM 78 6k l.k 0.3 16 3 ks 16 0.5 • .3 • .6 o.k l.l 0.7 AVERAGE 69.9 0.8 9 32 O.k 0.5 0.6 STATION Foot of Electric ArenilA MILE 238.1 DATE TIME PST TEMP "F mg/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 10-3-60 lOA-60 10-5-60 10-6-60 lO-T-60 1010 1300 58.5 60 10.1 10.1 99 101 0.66 0.0 0.0 0.0 15*5 17k5 61 60 10.2 10.1 103 101 0.70 2215 0025 59 58 10.0 10.0 98 97 o:n 0.0 O.l 0.1 0315 0625 57.5 57.5 10.1 10.1 98 98 0.70 0900 1215 58 59 10.1 10.2 98 100 1.00 0.0 0.1 0.1 1500 1800 60 60 10.1 10.2 101 102 0.90 0.89 alio 0015 58 57 U.l 10.0 98 96 0.70 0.60 0.0 0.1 0.1 Sg^ 57 57.5 10.2 10.1 ^ 0.65 0.73 0915 1220 58 59 10.2 10.2 99 100 0.61 0.68 0.0 0.1 0.2 1500 ISI5 59.5 59 10.1 10.0 100 98 0.68 2130 0015 58 58 9.9 9.9 '9I 0.90 0.0 0.1 0.1 0320 0630 58 58.5 10.0 10.1 97 99 0.71 0925 1225 58.5 60 10.1 10.1 99 101 0.61 0.0 0.0 0.1 1500 1800 61 61 10.0 9.9 101 UK 0.8k 0.7k 2115 0010 60 59 9.9 9.8 ^ 0.79 0.81 0.0 0.1 0.1 0305 06U> 59 59 9.8 9.7 96 95 0.78 0.72 RANGE 1 1AXIMUM MINIMUM 61 57 10.2 9.7 103 95 1.00 0.61 0.0 0.0 0.1 0.0 0.2 0.0 AVERAGE 59 10.0 99 0.75 0.0 0.0 0.1 T-92 TABLE T-IO(Conlinu*d) SACRAMENTO RIVER WATER POLUITION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 3-7,1960 STITION FMt of U Clair tnaaa MiLi tJ5.i DATE TIME PST TEMP a mg/l 00 %5AT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l iO-i-tC lO-k-tt W-i-tO 10-T-<0 U)0 13»5 5«.5 60 10.1 10.2 99 U2 0.7O lil5 W3» 61 «0 10.2 U.O U2 uo 0.68 0100 59 51 U.O 10.0 98 97 0.6k 0350 otyo 57. J 57 ID.O U.l 97 97 0.67 0930 likj 58 59-5 10.1 U.2 98 Ul 0.59 li? 60 59 10.2 U.l 102 99 t-M 21U> 0O1.5 59 5» 10.0 10.0 98 97 0.83 0.90 03M 0£U 57 57 10.1 U.l 97 97 0.77 09*0 iai.5 5« 59.5 10.1 10.: 98 Ul 0.6k 0.73 iS? 60 59 U.2 10.0 U2 98 0.88 2200 00k; 5«.5 58.5 9.9 9.9 97 97 0.80 03k5 0700 5» 58.5 lo.o u.l 97 99 0.85 0955 1250 §.5 u.l u.l 9» Ul o.»7 n? 61 61 u.l 99 U2 100 0.86 0.86 eik5 ooko 60 59.5 9.8 9.8 98 97 0.93 0.93 03ko 0635 59 59 U.O U.O H 0.68 0.65 RANGE J AXIMUM INIMUM 61 57 u.2 9.8 U2 97 0.93 0.59 AVERAGE 59 U.O 99 0.76 STATION hi 1 *^'1 fa MILE aa* K DATE TIME PST TEMP •F mg/l 00 XSAT JDoiBOO mg/l ABS mg/l T-PO4 mg/l U-5-60 U-k.60 U.5-60 U.6-*) U-7-60 •9k5 1260 60 6a U.O U.l 100 0.81 1535 1J8)0 61 6t u.l u.l 102 U3 0.99 2125 0035 62 60 9.7 9.8 99 »8 0.7« 0)kO 0625 60 60 9-7 9.9 97 9» 0.65 0935 1235 60 61 U.O u.l 100 102 0.68 1535 1835 61.5 62 u.l u.l ue U3 0.63 0.60 2135 00)0 61 59 U.O 9-9 Ul 97 0.58 o.yr 0335 06)0 60 59 9.8 9.9 9* 97 0.75 0.66 0950 1230 60 60 U.O u.2 100 U2 0.72 ilii 60 60 U.2 U.O 102 UO 0.76 2135 0030 60 60 u li 0.75 Sin 60 60 9.6 9.8 n 0.60 OJkO 12ko 60 62 9.8 9.6 IS 0.70 15)0 1830 il U.l 9.9 Uk U2 0.95 0.85 2135 6e 9.T 99 0.58 0.5a 00)0 03kO 60 59 Vi IJ 0.61 0625 lOU 59 59 9.6 9.6 9k 9» 0.75 0.75 RANGE """""" Manut MINIMUM 63 59 U.2 9-6 Uk 9k 0.95 0.57 AVERAGE 60.5 9.9 99 0.69 STATION Bmt Hii^llll SLcnvb MILE 22k.k DATE TIME PST TEMP •F mg/l 00 %SAT 5 Ooy BOO mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l U-3-60 UJk.60 10.5-60 10.6.60 U.7.60 0912 1210 60 62 9.9 U.l 99 U3 0.59 1505 IBOO 61 61 U.l u.l 102 102 0.67 2055 2k00 6e 61 9.8 Ul 99 0.61 0315 0600 60 60 9-7 9.7 97 97 0.71 09U 1215 60 61 9.8 U.l 98 lj02 0.72 1500 iao5 61 62 U.O u.l Ul U3 0.75 0.65 2U5 2kO0 oru 62 60 9.9 Ul 99 97 0.6k 0.6k 06U 09U 60 60 9.7 9.9 97 99 0.78 0.72 12U 60 u.l Ul 0.55 1805 60 60 u.l u.l Ul Ul 0.75 2105 2k00 60 60 9.8 9.7 98 97 0.7S Sg 60 60 '■5 9.6 n 0.99 0915 60 9.7 97 0.69 ss 6k 63 u.l U.O U5 U3 0.85 2100 63 9.8 101 0.53 0.5) 2k00 0315 62 61 9.7 9.5 n 0.19 0.70 0605 0920 59 59 9.5 9.5 93 93 0.68 0.70 RANGE 1 AXIMUM INIMUM 6k 59 u.l 9.5 105 93 0.99 0.5) AVERAGE 61 9.8 99 0.68 STATION Hw tUmt trU \m MIL! «17.6 DATE TIME PST TEMP •F DO mg/l 00 XSAT »Do»BOO mg/l ABS mg/l 0^>0. mg/l T-PO. mg/l 10.3.60 U.k.60 10.5.60 1»'7.<0 •835 U)0 60 68 ♦ .7 9.9 97 101 0.67 lk)0 1725 61 61 9.9 U.O 100 101 0.6k •025 2325 62 6C 9.9 9.T Ul 99 • .«! 0235 0525 s l:i u 0.62 08)0 1130 to 61 9.1 9.8 91 99 0.69 lk)0 17)0 61 61 U.l u.l ue ut 0.87 0.87 20)0 6e il U.O ue 0.65 0.50 ^ 61 60 9.6 9.6 97 96 o.g o.6e 08)0 11)0 60 60 9.* U.0 98 UO 0.71 0.7* IkJO 17)0 60 60 U.O U.0 uo UO 0.85 •0)0 23J0 60 60 li s 0.61 02)3 05)5 to 60 9. J 9.5 95 95 0.8) 0825 IIJO <0 6t li 9« 100 0.95 Ikko 17)5 «k A U.O U.O lak Uk 0.T7 0.86 »» «3 ».» Ul 0.58 0.5« 0)0 OW 61 M 98 95 0.69 0.71 ss 60 9.k 9.5 9k 93 0.6k 0.65 RAMGC lAXlUuH IINIWUM 6k 59 u.l 9.1 Uk 91 0.95 O.St AVERAGE 60.5 9.8 98 •.TO T-93 TABLE T-IO (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES UPPER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 3-7, I960 «;TflTION: Comlnfl SewaKe TreaUnent Plant (influent) MILE 217. M DATE TIME PST TEMP "F mg/l 00 % SAT 5 Day BOD mg/l 4BS mg/l 0-PO, mg/t T-PO4 mg/l 10-6-60 1800 -- 98 5-1 S 39 STATION Coming Sewage Treatment Plant (Effluent) MILE 217. k R DATS TIME PST TEMP DO mg/l D % SAT 5 Ooy BOD mg/l ABS mg/l O-PO. mg/l T-PO4 mg/l lO-U-60 10-6-60 1755 - 93 6.I1 38 UO 1600 78 122 I..3 28 29 STATION root of Hollar Avomio MILE 207.1 DATE TIME PST TEMP 00 mg/l D %SAT 5 Doy BOD mg/l ASS mg/l 0-PO, mg/l T-PO, mg/l 10.3.60 IOA-6O 10.5.60 10.6.60 10-7.60 0935 1205 61 62 9.9 101 0.56 1510 1755 62 62 10.1 10.1 103 103 0.72 21k0 2350 61 61 9.9 9.9 100 uo 0.61 02k5 0600 61 61 9.9 9-6 100 97 0.86 0905 1200 61 61 9.7 9-9 98 100 0.67 l'>55 iBoe 62 61 10.2 10.2 101> 103 0.69 0.73 gun 0010 61 61 10.2 9-9 103 100 0.53 0.5I1 0305 0605 61 61 9.W 9.7 95 98 0.62 0.71 0910 1205 61 61 9.8 9.9 99 100 0.7k 0.76 II155 1750 61 60 9-9 9.8 100 98 0.95 2105 2355 60 60 9.9 9-7 99 97 0.66 0315 0600 61 61 9.5 9.5 % o.ai 0905 1155 61 62 9.6 9.7 97 99 0.82 1500 1750 53 63 10.0 9.9 103 102 0.87 0.99 2100 62 9.8 100 0.52 0.52 2350 0305 62 62 9.7 9.5 99 97 0.81 o.ao 0605 0900 61 61 9.5 9.5 96 96 0.71 0.61 RANGE ] iAXIMUM MINIMUM 63 60 10.2 9.'' Uk 95 0.99 0.52 AVERAGE 61.5 9.8 99 0.71 STATION: imiton City Bridle MILE 199.6 DATE TIME PST TEMP DO mg/l %SAT 5 Day BOD mq/l ABS mg/l O-PO4 mg/l T-PO4 mg/l IO-3.6S lOJl.60 10.5.60 10.6-60 10-7.60 0855 1130 61 62 9.8 M>.0 99 102 0.73 11.30 1730 63 63 10.0 10 .0 103 103 0.65 20*0 2320 63 61 9.8 9-7 101 98 0.70 0215 0530 61 61 9.7 9.6 98 97 0.65 0830 U20 61 62 9.7 10.1 98 103 0.70 1425 1725 63 63 9.9 U.l 102 10* 1.15 1.13 2«llO 231.5 62 61 9-8 9.7 100 98 0.60 0.61 02kO 05*5 61 61 9.7 9.7 98 98 0.69 0.67 08*5 1130 61 62 9.7 9.8 98 100 0.68 0.80 1*30 1725 62 62 9.7 9.7 99 99 0.80 2030 2320 62 61 9.6 9.6 98 97 0.65 0235 0530 61 61 9.6 9.6 97 97 O.ao 0835 1125 61 62 9.7 9.7 98 99 0.85 1*25 1720 63 63 9.7 9.8 100 Ul o.a* 0.87 2O30 63 9.7 100 0.60 0.61 2325 02*0 62 62 9.6 9.5 98 97 0.70 0.63 0530 0630 62 62 9.5 9.5 97 97 0.60 0.67 o».rc MAXIMUM "*"" MINIMUM 63 61 10.1 9.5 U* >7 1.15 •.60 AVERAGE 62 9.7 99 0.7* STATION Old Forry MILE U*.5 DATE TIME PST TEMP •F DO mg/l DO 7. SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 10.3.60 10-*.6o 10-5-60 10-6.60 10-7.60 iS?!^ 62 62 9.3 9.8 95 10* (0.81)'' (0.0)'* (0.0)' (0.0)' \^^ 6k 6* 10.1 9-9 105 103 (1.01)5 2015 2250 6* 63 9.7 9.5 Ul 98 0.79 0.0 0.1 0.1 01*5 0*55 62 62 9.5 9.5 97 97 0.92 0800 1050 61 62 9.6 9.8 97 uo 1.01 0.0 0.1 0.1 iiP 63 6* 9.8 u.o Ul IB* 1.35 1.35 2005 2319 6* 63 9.8 9.6 U2 99 0.7k 0.0 0.0 0.1 0155 05»5 62 62 \i IS S:S 0800 lrt5 61 62 M ^ 0.9* 0.9k ii^ 62 63 9.8 9.7 100 UO 1.25 0.0 O.l 0.1 1955 22*5 63 63 95 9.'. 98 97 0200 •*55 62 62 9.* 9.5 96 97 1.21 0.0 0.1 0.1 0755 1»50 61 62 9-* 9-6 II 0.91 0.0 0.1 0.1 "^ 63 6* 9.8 9-9 Ul U3 0.79 0.73 2005 63 9.7 UO 0.62 0.62 8*50 •155 63 6t 9.5 9.* It 0.77 o.n 0.0 (a.2) ' 0.1 0505 0755 62 62 9.* 9.* 96 96 o.ao o.ao RANGE ] MAXIMUM MINIMUM 6* 61 10.1 9.3 U5 95 1.35 0.62 0.0 0.0 (0.2) 0.0 ' o.l 0.1 AVERAGE 62.5 9.6 99 0.90 0.0 0.1 0.1 T.94 Table T-11 RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM SEPTEMBER 12-16, I96O EXPLANATORY COMMENTS 1. Unless otherwise noted, the stations are on the Sacramento River. 2. Values shown in parenthesis and marked with an asterisk ( ) appeared unrealistic and were not used in computing maximum, minimum and average values . 3- Values for biochemical oxygen demand (BOD) and electrical conductance (EC) are results of suialyses of single samples. T-95 TABLE T-ll SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM SEPTEMBER 12-16, I960 STATION «Kil Ferry MILE iSk.i DATE TIME PST TEMP D mg/l D % SAT 5 Ooy BOO mg/l ABS mq/l O-PO4 mg/l T-PO4 mg/l EC « 10^ of 25- C 9-12-40 9-13-60 9.1lk.«0 9-15-60 9-l6-«0 o8oo 1030 61, 6k 9.5 9.6 99 100 o.to 0.21> 125 125 IJIlOO 1710 66 67 9.8 9.9 lOll 106 o.lw 0.37 125 121. 2010 2255 n 9.6 9.9 103 105 0.82 0.56 125 125 0200 okjo % 9.6 9.3 Ul 96 (8.07)* 0.50 131 131. oeoo 1100 s 9.6 97 UO 0.51. 0.55 128 lkl5 1710 66 67 '•I 9.8 103 105 0.57 0.56 131 133 2025 2305 r 9.6 9.5 103 100 O.lM 0.63 135 135 0155 01.55 6I> 62 9.2 9.3 96 95 l:U 130 130 0755 1120 62 63 9.6 9.6 98 99 0.59 0.52 130 130 IkOO 1720 65.5 66 10.1 9.8 107 0.1.6 0.53 133 133 2010 2305 66 65 9.7 9.5 103 100 0.76 0.50 131. 138 0150 0500 63 62 9.5 9.6 98 98 0.52 0.62 131. 133 07k5 1120 62 63 9.5 9.7 97 100 0.56 0.1.5 131. 133 Moo 1710 61..5 65 9.9 lO.O 10l> 105 O.W 0.1.5 130 130 2025 2300 65 6I> 9.8 9.6 103 100 0.31. 0.1.2 130 133 0155 0510 62 61 9.6 9.6 98 97 0.61 0.29 131 131. "-^^ rrr 67 a 10.1 9.2 107 95 0.82 0.21. 138 121. AVERAGE 6k.5 9.6 101 0.51 131 STATION ItclMC MILE 180 1 DATE TIME PST TEMP DO % SAT 5 Ooy BOO m,/l ABS mg/l O-PO, mg/l T-PO, mg/t EC.IO» 01 25* C 9-12-60 9.13-60 9-1U-60 9-15.60 9-16-60 0835 2 9.6 9.6 99 100 lUO 1730 66 67 9.8 9.9 KA 106 2025 2330 67 66 9.7 9.1. 101. 100 0220 0515 66 61. 1:1 101 98 0825 UJ.5 61. 61. 9.1. 9.6 98 100 11.35 1730 67 67 9.8 105 105 2050 2330 67 66 10.0 9.1. 108 100 0215 0515 61. 63 U 97 99 0810 a n Iffi. 100 11.30 17kO m 9.9 ID.O 105 108 20k0 2325 66 65 9.6 9.3 102 98 0210 0520 61. 63 9.3 9.5 u 0805 lUO 62 63 9.1. 9.7 96 UO 1515 1735 61. 65 9.8 9.9 U2 lOk 2055 2320 65 65 9.8 9.5 103 100 0215 0530 61.5 1:1 9< 95 RANGE """I""" "'"''■'' MINIMUM 67 61.5 10.0 9.3 108 95 AVERAGE 65 9.6 101 STATION Jacinto Sltm 1* MILE. I8O.OH DATE TIME PST TEMP "F DC mg/l DC T. SAT 5 Day BOD mg/l ABS mg/l O-PO4 mg/l T-PC4 mg/l ECilO* 01 25= C 9-12-60 9-13-to 9-i;.-6o 9-15-60 IMM 76 b.l 1.8 3.55 UI.5 73 1.5 17 U43O 71 2.9 33 1.52 20l« 69 1.8 20 1515 71 2.5 28 2.09 2055 68 2.0 22 1.04 RANGE "»«IMU" '"^'"''- MINIMUM 76 68 1.5 1.8 17 3-55 1.04 AVERAGE n.5 2.5 28 2.05 STATION Butto City MILE 168. e DATE TIME PST TEMP DO mg/l 00 % SAT 5 Ooy BOO mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC>IO» 01 26' C 9-12-60 9-13-60 9-IU-6O 9-15-60 9-16-60 0920 UI.5 61. 65.5 9.k 9.8 98 101. O.IJ. O.Ul 1520 1815 67 67 9.8 9.8 105 105 0.57 0.54 2105 0015 67 67 9.6 9.6 103 103 0.26 O.Ul 0300 051.5 66 65 9.1. 9.2 99 97 0.87 0.1.0 134 0855 1225 66 67 9.3 9.7 99 ink 0.62 0.60 1510 1B05 67 67 9.9 9.9 106 106 0.59 0.60 2120 0000 66.5 61. 9.5 9.2 102 96 0.1.1 0.29 0255 0550 61. 65 9.2 9.1 96 96 0.50 0.1.9 03U> 1200 65 66 9.3 9.7 93 103 0.59 1.02 1530 1815 67 66.5 10.0 9.8 107 105 0.62 0.61 2120 2350 66 65 9.6 9.5 102 100 0.58 0.49 0210 0555 65 61.. 5 9.1. 9.2 99 97 0.58 0.65 0830 1220 61. 65 '■5 9.8 98 103 0.53 0.51 1605 1800 65.5 65 9.8 10.0 IDl. 105 0.52 0.62 2130 231.5 61.. 5 61. 9.6 9.6 101 100 0.50 0.42 021.5 0600 61. 63.5 9.5 9.3 99 96 (2.18)* 0.72 RANGE HAXIMUM MINIMUM 67 63.5 10.0 9.1 107 96 1.02 0.26 AVERAGE 65.5 9.6 101 0.55 T-96 TABLE T-ll (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM SEPTEMBER 12-16, I960 ST/tTlON Abon Otmnoi Ua4 tm MIL 1»A D4TE TIME PST TEMP 'f 00 mg/l 00 USAT 5Doy600 mg/l •es m«/l 0-t>04 mg/l TOO, mg/l EC.«^ 01 wc »-12-<0 9-llt-«0 9-1S-60 9-16-60 0615 lUO II •■8 8.» 91 95 1*30 1700 % 1:2 US 2000 S3llO % 9.3 9-2 99 0285 o;u 67 67 91 9.0 98 97 08lO uos % 9.1 9.0 t IkOO 1T30 68 68 9.2 9.3 100 9000 !250 % 9.5 9.5 102 us 0210 01.55 66 65 9-3 9.1 ^ 0805 1100 65 67 9.1 9.0 96 97 1»05 ITID 67 68 9.2 9.k 99 102 2000 2255 6T 66 9.2 9.3 99 99 0155 Ol>55 % 9.3 9.0 98 9k 0815 66 9.0 9.1 9k 97 Ikoo 1T35 67 67 9.1 9.7 98 Uk 2015 2315 66 65 9.6 9.7 U>2 ue 0200 0900 6k 6k 9.5 9.k 99 98 _.„rf M4KIMUM """'^^ MINIMUM 6» 63 9.7 8.8 10k 91 AVERAGE 66.5 9.2 99 STHION Co] ou* BrldM MILE Ikk. L 0»TE TIME PST TEMP 00 n,/l 00 XSAT SDojBOO mg/l ABS mg/l 0^>0, >»g/l T-P0< EC. id* 01 2S'C 9-12-60 9-U-60 9-lk-6o 9-15-60 9-1&.60 0850 US5 65 67 9.0 6.9 95 96 0.37 0.k2 1510 17k0 68 69 9.1 9.2 99 101 0.53 0.90 2130 0015 66 66 9.1 9.k 99 102 0.81 0.53 0305 0650 68 67 9.2 9-3 100 100 0.65 0.56 08k5 U*5 67 68 9.2 91 99 99 0.9k 0.60 lk50 1755 68 69 9.2 9.2 100 101 0.69 0.5k 2050 2330 68 68 9.1 91 99 99 1.02 0.96 0250 0530 67 66 9.2 9.3 99 99 0.96 0.61 08kO U50 66 67 9.2 9.1 98 98 o.ke 0.38 lkk5 17k5 66 66 9.2 9.2 100 100 0.58 0.59 20110 2335 68 67 9.0 9.0 98 9T 0.85 0.7k 0235 051IO 66 66 9.0 9.0 96 96 1.2k o.n 08k5 UI.5 65 66 9-3 9.0 98 96 2:3 1M5 1605 67 67 9.2 9.k 99 101 0.60 0.55 201.5 2355 67 66 9.2 9.k 99 100 0.68 0.72 0235 0555 65 6k 9.k 9.k ^ 1.26 o.te ..„rr MAXIMUM "'"'" MINIMUM 69 6k 9.k 8.9 102 95 1.26 0.37 AVERAGE 67 9.2 99 O.TO STATION AbOT. iBtta aii)uiii MILE 139.0 BATE TIME PST TEMP m,/l 00 % SAT 5 Dor eoo m,/l ABS oig/l 0-PO, mg/l T-PO4 mg/i ECO" 01 25'C 9-12-60 9-13-60 9-lk-6o 9-15-60 9-16-60 0930 1310 66 68 9.1 6.9 97 97 0.k7 0.76 132 132 SI 66 69 9.2 9.2 UX) 101 0.51 I.IT 129 m 2220 0100 68 66 9.1 9-1 99 99 0.66 0.55 129 1*7 SIS 68 67 9.1 9.2 99 99 0.75 o.k7 l)k 13k 0915 12S5 67 68 9.2 9.1 99 99 \-% — ^ 68 69 9.2 9-1 100 uo 0.55 0.50 136 139 2125 OOU 67 68 9.0 9.2 97 100 0.k9 0.71 13T UT 0325 0610 67 67 9.8 9.1 99 96 1.00 0.76 13a 13T 0910 1230 67 66 9.2 9.1 99 99 o.ee 0.5k 13« 1520 1830 68 68 9.0 9.2 9« UO 0.58 0.55 s Z120 0010 68 67 \% 5 o.k5 0.60 s 0305 0610 % \% 9« 95 1.01 0.83 U6 09S0 1225 66 9-2 9.1 IS 0.60 o.ko Ika Ike 1515 1630 % 9.2 9-3 99 100 0.k8 O.kk 1* UT 2120 0025 67 66 1:2 100 100 0.k3 o.k9 % ss % 9.3 9-5 98 uo 0.95 0.3B ts PANrr MAXIMUM ""*" MIN MUM % 1:1 101 95 I.IT 0.39 IM ur AVERAGE 67.5 9.1 99 0.63 u( STATION BlAto SlMIt wiLe 1^8. i" J DATE TIME PST TEMP 00 00 %SAT SOoiBOO mg/l ABS mg/l 0-PO4 mg/l T-PO« mg/l ECiXlf 01 »*C 9-12-60 9-13-60 9-lk-60 9-l«-60 0950 1330 75 7« \x 73 72 o.Sl 1.32 3 1£15 1855 78 n 6.2 5-9 75 TO 1.35 1.ZI 352 J5k 2«k5 0120 S 6.0 6.1 71 72 l.U 0.90 35k 351 OkOT o«5 76 75 t:i Tk 73 S:g S 0935 1250 75 75 «.i 5.9 71 69 1.22 1.33 % ISJ K 75 5.8 5.T <8 66 1.69 % 2150 0035 75 75 2:S 73 1.07 l.)k ?s SIS TJ i:? T« Tl 1.1* o.kj ro 351 SI 7k 75 5-9 I i.ak 1.0k iS !gS R 5.* % i.n 1.05 J53 OOJO T3 ■n 5.C 6k 0.9T 1.00 s ^ 71 TO i:2 s «»»5 U90 71 TJ (.0 % 0.96 1.27 ]t9 JTl MSB 1915 •n •n \% 68 <9 1.J7 l.OJ jn «W0 00)0 11 (.1 % 1.99 1.2» 3X WT ss 71 TO T» Tt 1.3» I.ak s RANCC M,„auM 70 K a l.«k o.kj $ AVEDACC 7» «.i TO I.IT »• T-97 TABLE T-l I (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM SEPTEMBER 12-16,1960 STATION llerldlsn MILE IV.. 5 DATE TIME PST TEMP 00 mg/l DO %SAT 5 Day BOO mg/l AGS mq/l O-PO4 T-PO, mg/l EC ■10' Qt 25" C 9.12-60 9-13-60 9-IA-60 9-15-60 9-16-60 0810 1130 61> 64 9.2 9.2 96 96 0.k6 0.k9 U.15 1635 68 68 9.3 9.1. 101 102 0.53 O.U 2020 23i|0 68 68 9.3 9.0 101 98 0.1.3 0.U2 0208 0ltlt9 67.5 67.5 9.1 8.6 99 93 0.1.8 1.50 07U0 67 68 8.8 9.0 95 98 0.60 0.55 ikoo 1700 68 69 9.2 9.2 100 101 0.61 0.59 1950 2302 69 69 9.1 9.3 100 102 0.1.9 0.51 0203 owe 68 68 8.5 9.U 92 102 0.55 0.61. 0807 UOO 68 68 8.5 9.2 92 IDO 0.1.9 0.59 1350 X725 68 69 9.1 9.1 99 100 0.50 0.65 2000 2250 69 68 9.0 9.1 99 98 0.53 0155 0500 67.5 67 8.7 8.9 95 96 0.56 0.55 07lt5 UOO 67 67 9.0 9.2 97 99 0.56 0.51 13lt5 1715 68 68 9.3 9.2 101 100 0.5I. 0.53 2000 2305 68 67 9.1 9.1 99 98 0.5I. 0.75 0205 0505 67 66 9.0 9.2 97 98 l.ol. 0.1.7 RANGE ""Xl""" """"'^ MINIMUM 69 61. 9.'. 8.5 102 92 1-50 0.1.2 AUEBAGE 67.5 9-1 98 0.58 STATION Utvn I. ». #70 MILE 12«..3 DATE TIME PST TEMP m,/l DO % SAT 5 Ooy BOD mg/l AB5 mg/l O-PO4 mg/l T-PO, mg/l EC«IO* ot 25»C 9-12-60 9-13-60 9-H.60 9-15-60 9.16.60 0907 1230 61. 61. 9.1 9.2 II O.kO 0.53 (Saa*L d at K la 121. "ir7 1520 1825 68 68 9.1. 9-3 102 Ul O.U 0.51 IM ito onn 0120 68 67.5 Vi 96 0.1.3 0.39 Ikl lU 0300 0525 68 67.5 8.8 9.0 9« 97 0.29 0.38 11.8 139 0915 1200 68 68 8.9 9.1 97 99 0.1.5 0.55 11>5 U3 1505 1835 69 69 9.1 9.0 100 99 0.60 0.57 IW 15k 2110 231.5 68 68 li 98 9« 0.50 0.1.7 11.6 iWi 0315 05*9 68 68 8.7 8.7 95 95 0.9» 0.1.2 IW Iks 0907 1200 68 68 8.5 9.0 92 98 0.1.7 0.5l> 150 150 1520 1815 % 9.0 9.0 99 99 0.62 0.60 11.7 151 2125 2355 68 68 9-0 8.9 98 97 0.57 0.52 151. 150 0305 0655 67.5 67 9.0 10.3 98 Ul 0.53 0.1.3 1I.8 11.5 0900 1230 67 68 9.1 9.1 98 99 0.1.7 o.ka 152 153 1500 IBOO 68 68 9.2 9.1 100 99 0.1.6 0.53 153 11.8 0028 68 67 9.1 9.1 99 98 0.1.9 0.37 150 152 0310 06lK> 66 66 9.7, (7.1)* 103. (76)* 0.31. 0.31 152 150 cA»,^c MAXIMUM f"""^^ MINIMUM 69 61. 10.3 8.5 Ul 92 0.97 0.29 157 139 AVERAGE 8 MILE UO.i DATE TIME PST TEMP mg/l 00 % SAT SOovBOO mq/l ABS mg/( 0-PO. mg/l T-PO, m,/l EC«K^ ot 25* C »-13-«0 9-15-«0 9-l&-<0 08U liln 67.5 (9 1:? 97 93 0.73 0.7* 1*9 UkU ie.5 % 9.0 9.1 99 UX) O.kS 0.53 ISl IM M30 2310 %■' V, 99 97 0.57 0.60 IM 0130 0530 IB «6 8.5 9.3 92 99 O.kO 0.66 lik6 155 0815 1050 68 68 — ~ 0.29 0.k7 15» 156 lUo ITOO §.5 ?:S U 0.57 15» 152 2010 2305 S' ?:S 99 97 0.J7 0.75 152 156 0230 0515 68 69 8.7 8.8 95 97 0.k5 0.k« IkS 151 0T50 101.5 67 69 8.8 8.8 95 97 O.U O.M U9 157 1655 68.5 71 8.9 99 100 o.n 0.73 157 15I1 2005 2305 TO 68 8.6 8.9 96 97 0.56 0.69 156 157 0215 0513 68 68 8.8 8.9 96 97 o.g 0.58 157 156 0720 1100 68 68 8.8 8.8 % 0.66 0.62 158 158 Uoo 1425 68 68 8.9 9.3 97 101 0.51 0.53 15< 15» 2010 2305 68 67 e.9 9-0 97 97 0.53 0.3k 159 156 0215 OI1I.5 i} S:l 96 95 O.llO 1.10 152 157 R4N0E 1 MAXIMUM MINIMUM n 66 ?:l 101 9» 1.10 0.29 S AVERAGE 68 8.9 97 0.57 15k STATION 1. B. *U>» MILE UO u OATE TIME PST TEMP •F 00 n,/l DO %SAT SOeyBOO m,/l *BS in«/l 0^«, mqll T-PO, n.,/1 EC.O" of 25' C 9.02-60 9-13-60 9-lk-60 9-15-60 9-16.60 0635 IU5 7* T* J.T tl l:S g IMS 1650 75 75.5 n *5 6* l-!& TO6 T«5 2100 2320 76 73 Vi 2 2.39 1.90 67* «ai 0600 72 TO i:i H 1.89 ».»1 6*1 713 0830 mo 71 72 — - l.» 2.27 T05 T03 1*25 1710 T3 T* 3.8 k8 ** 2.« 2.(1 ^ 2025 2325 TS.5 T2 ix *0 39 r.2 fnt 693 021.5 0535 ?T 3.0 3* 32 2.01 2.03 S 0800 11*5 68 n 2.8 33 30 37 2-39 1.92 ^ 1*15 1710 73 73 3-7 k.2 ii 2.20 2.T0 15 2020 2320 70 69 k.3 k.5 *8 k9 1.T9 2.k5 668 680 0225 0530 68 6k k.l k.2 k5 kk in '^ 0730 1120 67 69 k.fc *.6 kT 51 2.k6 2.29 m 1*15 1*35 71 T0.5 k.6 5.* 52 61 2.60 230 n 2025 2315 67 66 *.9 k.7 53 50 i.»r 2.03 638 T«5 0230 0500 % 5:1 k7 kT 2.06 1.90 TU T*l RANGE KAXIMUM rtlNIMuM 76 6k 5.6 2.8 66 30 2.91 1.13 T51 57» AVERAGE TO. 5 k.l k6 2.16 683 STATION Otm 1. B /787 MIL 91.T OATE TIME PST TEMP mg/l DO %SAT 5 Day BOO mg/l ABS mg/l 0-PO. mg/l T-PO4 mg/l EC ■10' ot 25* C 9-12-60 9-13-60 9-l*-<0 9-15-60 9-l<-<0 0927 1230 % 8.7 8.3 96 91 0.71 O.V 160 17* lk50 1730 71 69.5 8.6 8.T 97 97 0.59 0.60 176 1T7 2130 0000 g.5 V.l 101 80 o.kk 0.55 16T 166 0230 0*15 66 68 (6.k)* 8.7 (68)* 95 o.kk 0.36 161 Kl 0850 1230 71 69 — - e.kS 0.5* 171 ITO X 68.5 68.5 8.8 8.8 97 9T 0.50 •.S3 iCk 1«9 2105 0000 68 69 l-i 102 97 0.58 O.TO 1«9 172 0325 0*25 68 68 8.3 8.6 90 93 0.90 1.05 178 16* •ato 1155 68 69 11 97 93 O.TO 0.59 lA 11* 1**5 1730 69 69 8.6 8.k 95 92 S:S ITO m 2100 25*5 S 8.7 8.8 u O.T* 0.50 i2 S2S 68 68 M 98 92 1.88 1.0* in 0«20 11*5 68 68 1:1 98 93 o.a 0.51 s 1510 1710 TO.S 68 8.8 8.9 99 97 O.J* 0.30 2055 8350 66 67 8.9 8.9 II oM iCk lit oaks osko H 8.9 9.0 % 0.51 O.Tl 173 173 RANGE 1 MAXIMUM illNIMUM 71 66 'rt 80 1.88 0.3< \s. AVERAGE 68.5 8.7 95 0.63 K» STATION ». 0. #787 MILE gv6| f OATE TIME PST TEMP •F mg/l DO %SAT SDoiBOO mg/l ABS mg/l 0-PO, mg/l T-PO. mg/l ECO^ 01 2S'C 9-12-60 9-13-60 9-lk-60 9-15-60 9-16-60 09*5 0015 n n 1:1 35 k* 1.95 2.03 ss TO 69 k.2 3.0 k7 33 2.25 l.TO 0900 U*5 72 72 _ 2.17 2.k2 1500 1755 7k. 5 7k 11 50 51 2.89 k.53 2U0 OOIO 72 TO 3.8 5.2 66 58 2.5k 2-05 SSJ TO TO S.k k.5 60 50 1.88 2-67 08k5 1205 TO 71 li 3D *3 2.kl 2.29 IkSS 1750 7* 7* k.5 2.k 52 2.19 2-63 2120 0005 72 TO !:S s 2.1* 2*9 0320 0615 68 sik 26 1.97 1.75 08J5 1200 68 68 8.k 2.k 26 26 3.31 3-oe 1550 1725 71 71 3.0 5.8 n k.06 3in 2115 69 67 u s 8-ai 8.33 031c 0530 66 6k 6.8 3.5 72 36 1-95 8.06 RANGC 1 lAXlWUH IINIMUU 2' 6.8 2.0 T» 83 k-53 l.TO AvtRACC TO. 5 3.9 kk 2.t6 T-99 TABLE T-ll (Conlinued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM SEPTEMBER 12-16,1960 STATION Unra CoIuM Dnln MILE 90.- DATE TIME PST TEMP mg/l D %SAT 5 Doy BOD mq/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC > 10' ot 25° C 9-12-60 9-13-40 9-VUO 9-15-«0 9-16-60 1010 13*3 68.5 70 8.8 9.8 97 100 0.56 0.32 160 I6lj0 iSi; 68.5 69.5 8.5 8.7 93 97 0.69 1.13 175 179 2215 OllD 69 67 7.8 7.8 86 81> O.U 0.32 175 167 OIlOO 0700 67 68 S.k 90 O.M. 0.1.3 165 162 091.5 1320 69 69.5 9.2 lfi2 0.57 0.56 172 168 lioo ISS) 69 68 8.7 8.8 96 96 0.62 0.59 167 168 2200 0U5 67 68 8.8 8.7 95 95 0.k9 0.1.7 178 178 0350 orao «7 68 8.7 8.7 9k 95 0.71 0.57 168 168 0930 1220 69 70 8.7 8.6 96 96 0.52 0.51 172 170 1550 laio 69 69 8.6 8.7 95 96 (?:S,- 178 173 2155 0120 68 68 8.7 8.8 95 96 0.55 0.93 166 172 0330 0700 68 68 8.7 8.5 95 92 0.65 0.65 171 167 0900 12k0 68 68 8.5 8.7 92 95 O.TO 0.1.7 165 165 15l>5 1750 69.5 69 8.0 8.8 89 97 0.67 0.52 166 168 2150 0015 66 68 8.8 8.9 9* 97 0.53 1*9 170 03li5 0600 68 68 8.9 8.8 97 96 o.ki 0.67 170 170 RANGE [ AXIMUM INIMUM s 9.2 7.8 102 8k 1.13 0.32 S AVERAGE 68.5 8.6 91. 0.58 170 STATION Colua Bula Dr»ln MILE 90.21 DATE TIME PST TEMP DO mg/l D % SAT 5 Doy BOO mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l EC. 10' 01 25- C 9-12-60 9-13-60 9-lk-6o 9-15-60 9.16-60 1015 1JI« 73 75 7.k 7.3 % 1.16 k6o k57 1615 1820 '^ li 85 87 1.23 0.55 kk8 k5k 2225 0120 75 7k 7.3 7.1. §1 0.67 1.15 1.50 »57 OklO 0710 7k 72 7.5 87 1.12 1.26 1.59 0955 1330 73 7k.5 7.9 »2 1.22 0.93 1.65 k55 1610 1330 75 75 6.S 7.2 79 8k 1.28 1.2k kn k«8 0200 75.5 7k 7.3 7.2 86 8k 1.26 1.11 1.32 kS2 Okoo 0730 73 73 ?:l 86 87 1.22 l.Zl kk2 kks 0950 1230 72 73 7.5 7.5 85 86 1.1k 0.8k k ::i U« uo 1.08 l.K 13» 133 cue 0005 7» 76 S:J uo 95 0.87 0.99 s <»k5 ■n 75 M »T ^03 Ike 13» 0»kJ 1200 S e.i •.5 9k i:S IM 138 woo 7< • 3 108 98 1.36 I-09 13* 135 ma ojoe s (.1 (.0 95 95 1.0( 1.09 ^ o«oo 0900 Tk 7* IX 9e 9k 1.01 1.00 3 uoo iS ».6 «.7 101 107 1.7« 1.31 13* 13k 1*00 noo S (.6 ••5 105 99 l.Jl 1.13 13» 138 0000 oejs 71 72 t.k 95 9k 1.39 l.U 138 13T otu <*50 78 71 a.k Jk' 1.17 1.0« ^ IIM UOO 7k 76 e.7 9.0 Ul U6 1.87 12 ooo 75 72 '.:§ 105 UO 1-33 0.90 IM Ik* OJW 70 70 8.7 a.6 u i.n 0.90 IM Ikk 0605 OT35 s i.k 8.6 93 9k l.i* 0.88 SJ RANGE ] MAXIMUM MINIMUM 82 69 9.0 7.9 110 9« t.09 o.»r lk« 13» AVERAGE 75 8.l> 9» I.IJB 137 STATION U ^&n mel mrt U b n«s UILE V-t OAIE TIME PST TEMP 00 mg/l 00 %SAT 5Doy BOO ing/l ABS ntg/l O-PO. T-PO, m,/l ECO* 01 n'c 9-u-. Mne 1) MILE «.] ■• DATE TIME PST TEMP "F DO mg/l 00 %SAT SOoyBOD mg/l ABS mg/l O-PO, mg/l T-PO, mg/l ECO* 01 »-C 9-UA »-lJ"«0 9-1J-60 9-K-60 uao 7k 76 5.8 7.3 u ik» 1710 79 T» 9.1 9.0 lU 112 •030 2jao 77 7k 8.k 7.1 US 83 0230 05K 73 71 6.1 5.7 S 0820 lUO 71 75 5.6 7.3 g lk20 1730 n 7< ?:J U6 •T 20*0 2320 75 72 1:1 s 0220 0530 3 6.k 5.9 s 0820 1155 70 7k «.l 8.0 (8 93 IkJO 1730 75 75 8.2 7.9 u 2330 TO .71 7.5 7.) s 0*30 0530 68 66 n •0 06)0 UI5 71 u 75 90 1»*5 17*5 71 71 !:l 93 93 •0*9 233* <9 66 8.1 7.6 s 2*30 0530 66 68 1:5 It 71 RAMC "»»">« KAifUC MINIMUM 79 66 9.1 5.6 Ul «3 AVERAGE 7* T.3 83 T-101 TABLE T- 1 1 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM SEPTEMBER 12-16, I960 STATION B nrt* MIL 6t.i DATE TIME PST TEMP mg/l 00 %SAT 5 Ooy BOO mg/l ABS mg/l 0-PO, mg/l T-P04 mg/l EC 1 10^ ot 25" C 9-JI-&I 9-13-40 9-U-60 9-15-6) 9-16-60 oaoo 1120 72 72 7.« 7.9 89 90 0.8k o.ks 2k7 2kl lIlOO 1700 s «.2 (.2 9V 95 0.70 1.08 239 235 2000 2300 73 T3 a.2 8.1 9l> 93 1.07 0.63 23k 2r 0200 ojeo 73 72 a.i 8.0 93 91 0.51 0.6k 2k2 232 oeoo 1115 73 72 8.1 8.2 93 93 0.65. (2.0k)* 2ko 2k2 13*5 73 73 8.1 8.3 93 95 1.02 0.8k 2kl 2kT 2005 2300 73 73 8.8 8.3 Ul 95 1.10 o.n 2k8 2k7 0200 0500 72 72 8.2 8.0 93 91 0.T6 0.63 237 2k7 oeoo 1100 n 72 8.0 8.2 90 93 O.TO 0.68 2k8 227 lAoo i6te 72 72 8.3 8.5 9* 9T 1.15 0.86 2k3 2ki W5 8305 n 71 8.l> 8.5 9k 96 0.87 0.7k 2k3 231 0200 0500 n 71 8.3 8.2 93 92 0.7k 0.76 s oeso uoo TO 70 8.3 S.k 92 93 0.73 0.95 2k2 238 IV35 1630 71 72 8.^ 8.5 9k 97 1.05 O.TO 237 235 1935 2300 TO TO 8.5 8.k 9k 93 0.8k 0.65 236 222 0200 0500 70 TO 8.1l 8.3 93 92 o.kk 0.57 2k2 236 RANGE I AXIMUM INIMUM 7* TO 8.8 7.8 101 89 1.15 O.kk 2k8 222 AVERAGE 72 8.3 93 0.7« 239 STATION btOMi Miln. Caul- MILE 61.5L DATE TIME PST TEMP D mg/l DO % SAT 5 Ooy BOO mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l EC.II^ 01 25* C 9-12-60 9-13-60 9-lk-60 9-15-60 9-16-60 s? 73 T5 k.8 k.8 II l.kk 1.88 Si i?Jf 7T 7» k.9 5.3 i; 2.88 2.19 551 550 2050 0000 7k 73 li ks 51 1.17 1.31 5kT 5k3 032J 0530 72 71 k.2 k.o kS k5 1.3k l.k< 533 553 0900 uko T3 75 li 59 1.21 l.k« g J*k5 1750 T< T5 ::f t6 2.67 2.U IS 20k0 n Tl 3.3 k.8 39 5k 1.68 1.18 no 5n SIS n 69 k.3 k.8 k8 53 1.37 1.51 576 531 090O 1215 TO Tk k.7 k.3 52 50 1.61 2.38 531 53T 1510 1750 n 72 i:l 51 52 1.28 1.72 568 5k2 20kO 0015 71 68 k.3 k.o k8 k3 1-5T i.n 560 566 0315 0620 68 67 k.5 5.2 t 1.2T 1.63 5k7 0920 11*5 68 TO 1:1 60 60 1.96 1.9k 578 539 IkkS 17k5 TO TO k.3 6.3 k8 TO 1.56 1.87 5Tk 578 20k5 oeoo 69 68 5.8 5.6 6k 61 1.62 1.3T 5T8 568 SIS 66 68 u % 1.51 1.2* 568 565 RANGE 1 1AXIMUM 1INIMUM i 6.3 3.3 TO 39 2.88 I.IT 586 531 AVERAGE T1.5 k.8 5k 1.66 558 STATION n. lK-m tout Ifcln DTmln MILE 60.8 DATE TIME PST TEMP D mg/l DO % SAT 5 Doy BOD mg/l ABS mg/l O-PO, mg/l T-PO4 mg/l EC. 10' of 25" C 9-12-60 9-13-60 9-lk-60 9-15-60 9-16-60 0815 1130 72 7.9 7.9 90 91 0.68 1.06 250 2k3 IkU 1710 73 Tk 8.2 8.3 9k 97 0.73 0.93 235 235 2020 2320 T3 T3 8.1 7.8 93 90 0.77 0.5k 235 2ko 0215 0515 T3 T2 8.1 8.2 93 93 0.6k 0.68 235 229 oau) 1120 Tk 72 8.1 8.1 9k 92 0.76 O.Tl 235 2k6 Jl? 73 n 8.1 8.3 93 95 0.98 0.9k 2k3 2k7 2020 2315 72 73 8.3 8.2 9k 9k 0.88 0.79 2k8 2k7 0215 0510 72 72 8.1 8.1 92 92 0.66 0.71 % 0815 71 72 8.1 8.2 91 93 O.TT 1.00 2k8 232 lk05 l*k5 72 72 8.k 8.k 95 95 0.78 1.12 2kk 235 1950 2315 72 71 \-x t 0.9k 0.77 23T esk 0220 0515 I 8.5 8.k 96 9k 0.71 0.60 299 2k5 0815 inn 70 71 8.2 8.k 91 9k ::6^ V^ Ikko I6k0 71 Tl 8.5 8.6 96 97 0.69 0.90 236 225 19k5 2315 Tl TO SJ 96 9k 0.82 0.59 936 232 022} 0515 TO TO 8.k 8.3 93 92 0.k3 0.T9 Si RANGE 1 1AXIMUM 1INIMUM 7k TO 8.6 7.8 9T 90 1.12 0.5k 25k 222 AVERAGE 72 8.2 9k O.TT 239 STATION: ■otn— girt Wda Drain 1 Buk BorroK Pit) MIL! 6O.6L DATE TIME PST TEMP 'F mg/l DO % SAT 5 Doy BOD mg/l ASS mg/l O-PO4 mg/l T-PO, mg/l ECxlO^ of 25-0 9-12-60 9-13-60 9-l>-60 9-15-60 9-16-60 0825 1135 Tk 73 k.l 2.5 k8 29 ^00 ki; lkl5 66 68 3.3 k.5 ^ 3.1k 3.1k s 2030 2330 78 78 k.k 5.0 § 2.90 1.78 k08 ke8 0225 0525 78 3.0 2.1 36 25 1.29 1.36 kis kok 0815 U25 T6 T3 1.8 2.2 21 25 3.30 3.93 kl3 k»3 ikio I6k0 Tk T5 \h t 3.65 k.28 koi 39» 2030 2320 Tl 7« 3.8 3.5 t 3.95 3.52 398 0220 0520 7k 72 2.8 2.2 33 95 2.60 2.7k koe 376 0625 1115 71 71 1.8 2.2 20 25 3.2k 3.36 k02 387 iku 1650 72 7k 3-0 3.3 % 3.0k 3.06 IS 1955 2325 72 72 k.o 3.5 k5 to 3.71 3.k5 k2* 391 0230 0520 71 70 2.9 2.5 ii 3.00 2.56 iJ 0825 1120 68 6t 1.9 2.T 29 2.86 2.78 395 39» U*k5 I6k5 TO TL 11 2^ 3.kk 3.1k ^ 1950 2325 Tl Tl k.l k.o k6 k5 2.86 2.78 k25 k29 0235 05S5 S 3.3 2.9 37 32 3.1k 2.78 kl9 399 RANGE 1IAX1MUM MINIMUM T8 66 5.0 1.8 60 20 k.28 1.29 k35 376 AVERAGE T2.5 3-2 36 3.03 kM T-102 TABLE T- 1 1 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM SEPTEMBER 12-16, I960 STATION i ■wlc»llT.r MILE <0.kL DATE TIME PST TEMP •F DO mg/l 00 % SAT JD» TO M 9.0 9.1 110 99 O.TS 0.90 99.6 68.a •8^5 0535 «7 «5 s:; 97 9k • .«8 0.73 68.1 68.k 0«35 U85 ^ 8.( 9.0 u o.M 0.61 9».0 59 .e IkSO 1(50 <9 TO 9.5 9.7 Uk ue o.7e 0.77 59.1 99.e 1955 8335 J? 9.l> 9.8 Uk 99 S:S 60.3 ss s 9.0 9.0 u (o.«)* o.<3 6o.e 61.3 RANGE J AXIMUM INIMUM T» A S:5 ue 90 0.90 0.)6 68.e 53.0 AVERAGE M 9.0 9* O.M 5e.e ■iTATini. A. nil.r PI U« uB00 ",,/i ABS mg/l 0^>0, ing/i T-PO. «g/i EC.«» 9-12-60 9-13-60 9-lk-6a 9-15-60 9-16^ 09» 1150 78 73 7.5 7.9 65 91 0.75 0.76 aa lk35 1735 7k 73 6.8 6.3 95 95 0.7k 0.68 8M 819 8U0 MU 73 78 6.] 6.8 »5 93 l.U 0.63 a* 81* 0305 0555 78 18 6.3 6.3 $ 0.«k •.63 at 8« 0650 IIJO 73 78 6.1 6.8 93 93 1.17 ^ lk35 1700 73 73 6.8 6.3 9k »5 •.66 1.89 3 8100 8355 78 78 6.3 6.3 9k 9k e.at 0.60 88k 885 03U 0550 78 71 6.1 6.1 98 91 0.66 0.71 8)6 817 22 71 78 6.0 6.8 90 93 0.7k 0.78 886 Ikko 1780 78 78 e.k e.k 95 95 i:S 885 ••05 78 71 e.k 9k 9k 11 at •1K> •550 71 T« e.k e.k 9k 93 m ai ••55 1135 S 6.3 6.3 98 98 S:S at 15" 17U TO 71 •.5 e.6 9k »7 0.69 1.07 at a» —13 8355 TO TO e.k 6.7 93 97 0.7k 0.66 at at JgJ s 6.6 6.5 96 93 ::6'? at 8U RANGE ] lAXIMUM INIMUM s 6.T 7.5 S 1.53 •.5^ •k7 ••a AVERAGE 71.5 8.3 93 0.68 •8J T-103 Table T-12 RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM MAY 8 - 12, 1961 EXPLANATORY COMMENTS 1. Unless otherwise noted, the stations are on the Sacramento River. 2. Values for biochemical oxygen demand (BOD) and electrical conductance (EC) are results of analyses of single samples. T-lOU TABLE 1 -12 SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM MAY 8-12, 1961 STATION Ort Tmrj MILE l«k. 5 DATE TrME PST TEMP •F 00 mg/1 00 %SAT 5 Ooi BOO m,/l ABS 04>0« T-PO, mg/l ECO* 0* 25' C J- 9-61 ;-U)-£l ;-u-£i ;-i2-&i 0710 ll»5 56 59 10. 3 10.5 98 103 15S0 1910 61 60 10.3 10.7 10k 107 S315 0250 59 58 U.8 9-9 100 »6 o«to lUO 57 59 lO.O 9-8 96 96 1*55 18*5 61 60 10.1 IS.O 108 100 2J15 0850 58 57 10.8 10.0 99 96 0655 1285 57 60 9.8 9-9 9k 99 1580 lfl55 61 60 10.1 lO.k 108 10k 23» 0855 57 56 10.3 U.l 99 96 0655 U25 56 57 10.8 10.8 97 98 1*50 1S50 60 58 10.5 10. k 105 U>1 sjao 0855 56 55 10.5 10.8 100 95 RANGE 1 MAXIMUM MINIMUM 61 55 10.7 9.8 107 9k AVERAGE 58 10.8 99 STATION AalaU MILE Uo. I DATE TIME PST TEMP •F 00 mg/l 00 %SAT JOotBOO mQ/l ABS ntg/t 0.P0, m,ll T-PO, n«/l EC.«^ 5-8^ 5-9-61 5-10.61 5-11-61 5-12-61 0735 U50 56 59 10.1 10. k 96 108 15k5 1930 68 60 Ifl.7 10. k s 8)k0 0380 S 10.8 10.0 100 97 0700 U15 57 59 99 10.0 u 1510 1905 61 60 10.8 10.8 103 ue 8335 0380 58 57 10.8 98 S 0785 12k5 H, 9.6 10.3 98 103 15kO 1910 60 59 10.3 U.8 103 uo 83kO 0J15 58 56 10.3 10.1 100 96 0780 1150 56 57 10.3 10.3 98 99 1310 1910 59 58 10.5 IS.k lOJ 101 83k5 0315 56 55 lo.k 10.3 99 96 RANCF MAXIMUM HANOt MINIMUM 68 55 10.7 9.6 109 98 I AVERAGE 58 U).8 100 STATION ButUi City MILE 168. 6 DATE TIME PST TEMP •F mg/l 00 XSAT 5 Dor BOD mg/l ABS mg/l O-PO4 mg/l T-PO. mg/l ECiiO^ ot 26' C 5- S-61 5- 9-61 5-10-61 5-U-61 5-12-61 0605 1215 56 59 10.8 10.3 97 101 1610 8005 61 60 10.6 10. k 106 10k 0015 0350 60 58 9-9 10.0 99 97 0730 UkO 58 59 9.9 10.8 96 100 15ko 1935 61 60 10.8 lO.l 103 Ul 8k00 0350 n 10.1 9.7 ^ 0605 1315 57 60 9.9 10.3 95 103 1615 19k5 61 59 10.8 9.9 103 97 0005 03k5 58 57 9.9 10.0 96 96 OSlD 1290 57 59 10.1 10.3 97 101 15k5 ISi* 59 58 10. k U.k 108 101 0010 0350 57 5« U.t lo.s 98 97 RANGE MAXIMUM MINIMUM 61 56 U.6 9-7 U6 9» AVERAGE 59 10.1 99 STATION Aiiov* COWU a Undlog MIL J-H DATE TIME PST TEMP •F D mg/l 00 % SAT SDoiBOO mg/l A8S m«/l 0-P0« rn^/l T-PO. mg/l EC.O" « 8S'C 5- 8-61 5-9-61 5-10-61 5-U-6I SU.61 08k5 1250 58 60 10.9 10.1 106 101 l£ko aoko 60 60 10.8 10. k loe lOk 00k5 Okl5 60 59 10.1 10.0 •s oan 1215 99 59 9.6 10.1 9k 99 1610 8010 61 60 10.0 lO.l ooks 0k85 59 59 9.8 9.8 96 96 0900 UkO 59 60 9.9 W.l 97 ua IA5 8015 60 99 Ifi.l 9.9 101 97 0085 0kl5 99 58 10.0 10.0 9« OMo 1250 58 60 9.9 10.1 96 un 16S0 goto 60 » 10.1 10.3 UO 101 00k5 okao s 10.8 10.3 99 98 RANCC iAXlMUM «INIIiUM 61 56 10.9 ♦.6 106 9k AVEflAGt 59 IS.l 99 T-105 TABLE T-12 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM MAY 8-12, 1961 STATION Coliua Brl4 MILE lUt 1 DATE TIME PST TEMP mg/l 00 % SAT 5 Doy BOD ABS mg/l O-PO4 mg/l T-PO,^ mg/l EC. 10^ 01 25- C 5- 8^1 5- 9-61 5.10-61 5-11-61 5-1J-61 C950 1335 61 62 9.9 10.1 UK 103 1715 2UD 61 60 10.1 9.9 102 99 0125 05itO 59 59 9-9 9.9 97 97 0855 ISJO 61 61 '•1 9.8 100 99 1«35 SOIlO 61 60 9.7 10.0 98 100 0125 0500 60 59 9.8 9.7 98 95 0935 IMS 60 61 9.9 9-7 99 98 ITIO S050 60 59 9.8 9.9 98 97 01D5 OI15O 59 59 9.9 9-9 97. 97 0910 1330 60 60 9.9 9.8 99 98 1.11 1.99 I655 20l»5 60 59 9.9 9.9 99 97 1.63 2.88 0115 0505 58 58 10.2 10.1 99 98 1-32 1.00 RANGE J AXIMUM INIMUM 62 58 10.2 9.7 103 95 2.88 1.00 AVERAGE 60 9.9 99 1.66 STATION Above Butte SlmiKt MILE 139 DATE TIME PST TEMP DO mg/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC » 10^ of 25' C 5- 8-61 5- 9-61 5-10-61 5-11-61 5-12-61 2S 6'? 10.3 9.9 lOl 100 1535 1935 61 61 9.9 9.9 100 100 2305 0330 60 59 l:J 97 96 07;.5 U50 59 60 9.7 9-9 95 99 1530 1935 61 61 9.9 9-7 100 98 2330 0335 60 60 9.7 9-7 97 97 07U0 1150 60 61 9.6 9.7 96 98 15ltO 1935 61 61 9.3 9.7 99 98 2320 OI4OO 60 59 9.7 9.8 97 96 0730 1230 59 60 9.7 9.8 95 98 I5I15 1925 61 60 9.9 9.8 100 98 0020 0320 60 58 9-5 9.5 95 92 RANGE MAXIMUM MINIMUM 61 58 10.3 9.5 101 92 AVERAGE 60 9.8 98 STATION Butte Slough MILE 138 9L DATE TIME PST TEMP "F 00 mg/l D %SAT 5 Day BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mq/l EC. 10' Ql 25°C 5- 8-61 5- 9-61 5.10-61 5-U.61 5-12.61 07lt5 1200 66 65 8.0 8.0 85 84 1525 1930 66 66 8.4 7.8 89 83 2330 031IO 66 65 7.9 7.8 84 82 0730 UI40 65 66 7.8 7.8 82 83 1525 1930 66 68 7.7 7.7 82 84 23110 0350 66 65 7.6 7.5 81 79 0730 1135 65 65 7.5 7.6 79 80 1530 1930 67 65 7.7 7.8 83 82 2330 Olio 65 64 7.8 8.0 82 83 O7U5 1210 63 64 8.1 8.0 84 83 2.60 2-55 244 243 1530 1920 61. 6I4 8.1 8.1 84 84 2.17 2.34 237 239 0030 0330 62 63 7.8 7.6 79 80 2.80 2.23 245 248 RANGE JJ AXIMUM INIMUM 68 62 8.4 7.5 89 79 2.80 2.17 248 237 AVERAGE 65 7.8 83 2.45 243 STATION Meridian MILE n4 6 DATE TIME PST TEMP DO mg/l DO % SAT 5 Ooy BOD mg/l ABS mg/l O-PO, mg/l T-PO4 mg/l EC.IO' 01 25" C 5- 8.61 5- 9-61 5-10-61 5-U-61 5-12-61 0835 1250 59 61 9.7 9.8 95 99 1645 2030 62 61 9-9 9.9 101 uo 2350 0400 60 59 9.8 9.7 96 95 0755 1220 59 61 9.8 9.7 U 1555 2005 62 62 9.9 9.6 101 98 2400 0415 60 59 9.5 9.6 94 0755 1235 60 61 9.6 9.6 96 97 1610 2000 62 61 9.6 9.7 98 98 2350 0430 60 59 9.6 9.7 96 95 0830 1250 60 61 9.6 9.7 96 98 1605 2130 61 61 9-8 9.6 99 97 0100 0355 60 59 9-5 9.5 95 93 RANGE I AXIMUM INIMUM 62 59 9-9 9.5 101 93 AVERAGE 60 9-7 97 T-X06 TABLE T-12 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM MAY 8-12, 1961 STATION Ak9T« R. D. fjo MILE 12k 1 J, DATE TIME PST TEMP "F 00 mq/l 00 %SAT 5 Oo» BOO mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l EC.10» a> 25- C 5- 8^1 5- 9-61 i-iD-ii 5-U-61 5-12.61 09k5 lk05 60 62 9.k 9.8 9k 100 ITllO 2130 62 61 9» 97 101 98 0U5 0500 61 60 9-5 99 96 99 0900 13kO 60 61 9-6 9-8 96 99 ITM alia 61 62 9-8 9-7 99 99 0115 0515 61 61 9.6 9.5 97 96 0900 1350 60 61 95 9.7 95 96 1755 21D5 61 62 9.6 9.7 97 99 0105 0535 60 60 95 9.7 95 97 0955 itoo 61 61 9.6 9.7 97 98 0.81 l.U lk2 Ul ins 2200 61 61 9.7 9.6 98 97 0.80 0.68 Ikl Iko 0210 0510 59 58 9.k 9.k 92 91 0.62 l.lk Ikl lk3 RANGE MAXIMUM MINIMUM 62 58 9-9 9.I1 101 91 l.lU 0.68 Ik 3 IkO AVERAGE 61 9.6 97 o.m Ikl STATION «. P. fT MILE lak.a. DATE TIME PST TEMP •F D mg/l DO %SAT SOoyBOO mg/t *BS mg/l 0-PO, mg/l T-PO4 mg/l EC.KT »I25'C 5- 8-61 5- 9-61 5-1C-61 5-U-61 5-12-61 0925 13ko 6k 68 l.\ 76 92 1T25 2U5 69 67 8.T 8.3 t 0015 0k20 66 65 8.0 7.6 65 80 0825 1250 6k 68 7.7 8.7 80 95 1625 2030 66 66 ?:? 96 93 00)0 OkkO 65 63 8.0 7.6 ek 78 0620 12ka 63 67 7.7 8.7 79 9k l6ko 2025 68 66 9.2 9.0 LOO 96 0020 Ofc55 6k 62 7.7 6.5 80 »7 0900 1315 62 67 6.1 9.0 63 97 2.56 3.22 625 625 1630 2055 66 65 9.1 6.k U 2.92 8.65 609 603 0125 Ok25 63 61 7.9 7.k 81 75 2.86 3.11 651 6*9 RANGE MAXIMUM MINIMUM 69 61 9.2 7.k 100 75 3.22 a. 56 651 603 AVERAGE 65 8.3 88 2.89 627 STATION At Wlliln. SlouKb MILE UB.l DATE TIME PST TEMP •F D mg/l %SAT 5 Doy BOD mg/l ABS mg/l 0-PO. mg/l T.PO4 EC.IO« 01 2S*C 5- 8-61 5- 9-61 5-10-61 5-U-61 5-12-61 loao ikko 60 61 9.6 9-8 96 99 1805 2205 61 62 9.8 9-8 99 100 OlkO 0515 61 61 9.6 9.7 v> 09kO IkU 61 61 9.8 9.7 99 98 1735 21k0 61 61 9-7 9.6 98 97 0135 0535 61 61 9.5 9.5 96 96 ss 61 61 9.5 9.7 96 96 1730 8125 61 9.6 97 0125 0550 60 60 9.k 9.k 9k 9k 1015 lk25 61 61 9-6 9.7 v> 17kO 8220 61 60 9.7 9.5 98 95 0230 0530 60 59 9.2 9.k 92 92 RANGE \ lAXtMUM MINIMUM 62 59 9.6 92 UO 92 AVERAGE 61 9-6 9- STATION Above B. D. fice MIL! 100.2 DATE TIME PST TEMP •F mg/l 00 % SAT 5 Dor BOO mg/l ABS mg/l 0-PO. mg/l T-PO, mg/l ECilO> 01 25* C 5- 8-61 5-9-41 5-10-61 5-11-&L 5-12-61 0855 1250 60 63 9.5 9.k 95 97 1655 2105 63 62 9.6 9.5 99 97 0055 0k55 62 60 9.7 9.6 99 96 0855 12?0 61 68 9.7 9.5 96 97 1635 aok5 62 61 96 96 O0k5 Ok55 61 60 97 95 0855 12ko 61 68 u l6ko 20kO 62 61 u 0055 0U5 <0 60 95 96 0635 12k0 60 61 96 96 0.70 0.96 IkS likl lAo 80kO 68 61 97 95 0.50 0.66 1*5 lk5 0120 0»0 «0 60 n 0.66 0.67 Iks U5 RANGE 1 lAXiMuU IINtUUM s ».T 9.3 99 9» 0.98 0.50 lk5 Ul AVERAGE 61 9.5 96 O.TO Ikk T-IOT STATION ». D. #Ul8 MILE : 100. IS DATE TIME PST TEMP DO mg/l DO ■y.SAT 5 Ooy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC « 10^ 01 25" C 5- 8-61 5- 9-«l 5-10-61 5-U-61 1305 1720 66 66 7.1 7.7 76 8>> 2ia) 0515 67 65 7.5 7.1 81 75 0915 1300 65 67 7.2 7.7 76 83 IfltS 3056 67 66 7.9 7.8 85 83 0100 0505 66 61> 7.5 7.2 ao 75 0905 1250 61> &4 7.2 7.U 75 n 1650 2050 65 6I1 7.8 7.9 82 82 0105 01155 61) 62 7.6 7.8 79 80 08I.5 1255 63 63 7.5 7.6 77 78 k.lO 3.52 56U 5*5 1650 2050 63 63 7.9 8.1 81 8lt 3-13 2.75 526 516 0135 0530 62 60 7.6 7.6 78 76 3.'.1 3-50 507 531. RANGE ] 1AXIMUM AINIMUM 68 60 8.1 7.1 85 75 1..10 2.75 561. 507 AVERAGE 6I1 7.6 79 3.I4O 532 TABLE T-12 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM MAY 8-12, 196! STATIOM Above R. D. #767 DATE TIME PST TEMP 00 mg/t DO % SAT S Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC ■10' 01 25- C 5- 8-61 5- 9-61 5-10-61 5-U.61 5-12-61 O9I1O 1325 61 63 9.1' 9.5 95 98 1750 2150 63 62 9-5 9.* 98 96 ouo 0535 62 61 9-5 9.* 97 95 09I.5 1350 61 63 9.5 9.5 96 98 1725 2130 62 62 9.5 9.* 97 96 0130 0535 51 61 9.5 9.3 n 0930 1330 61 62 1:1 9U 96 1730 21*0 62 61 9.3 9.3 95 9* OlkO 0520 61 61 9.1. 9.2 95 93 0935 1330 61 62 9.2 9.* u 1.21 0.90 201 158 1730 2130 61 61 9.* 9.1. 95 95 0.63 0.60 157 156 0205 0550 61 60 9-5 9.3 96 93 0.59 0.92 157 195 RANGE ] MAXIMUM MINIMUM u 9.5 9.2 98 93 1.21 0.59 201 156 AVERAGE 62 9.1. 95 o.ai 171 STATION. K. D. #787 MILE 93-6 R DATE TIME PST TEMP DO mg/l DO ■y. SAT S Day BOD mg/l ABS mq/l O-PC4 mg/l T-PO4 mg/l EC » 10^ 01 25- C 5-8-61 5- 9-61 5-11-61 5-12-61 0955 1335 62 68 5.8 6.7 59 73 IBM 2205 67 Ho mm 6.6 71 0155 0550 66 6* 6.1 5.8 65 60 0955 1350 65 5-7 Ho flow 60 1735 2130 67 6.8 no Om 73 OlltO 051.5 65 6.7 ■0 flw 71 09IW 131U1 63 6* 5.9 6.5 61 68 17l« aso 65 63 6.6 6.9 69 71 0150 0535 60 10 flow 6.8 68 091.5 13*0 66 10 flmi 7.3 73 rs 502 17*0 2130 6* 7.* la flar 77 2.68 521 02S5 0550 60 7.2 ■0 nan 72 2.2* 500 RANGE "*«I"U« "'""■^ MINIMUM 68 60 7.* 5.7 77 59 2.67 2.2* 521 500 AVERAGE 6* 6.6 68 2.60 508 STATION Atove Coluto Dr«ln MILE 90.5 DATE TIME PST TEMP "F DO mg/l DO % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l EC « 10" 01 25" C 5- &-6I 5- 9-41 5-10-61 5-11-61 5-U-6I 1025 Ikco 62 62 9.3 9.3 95 95 • 18*0 as30 62 62 9.* 9.5 96 97 0230 0615 62 61 9.* 9.* 96 95 10*0 1**5 61 62 9.* 9.5 95 97 1805 2225 62 62 9.5 9.2 97 9* 0210 0610 61 61 9.* 9-3 95 9* 1010 U.20 61 61 li 9* 95 1820 2220 61 61 9.* 9.3 ^ 0215 0610 61 61 9.* 9.3 95 9* 1*10 61 61 9.8 9.« 93 93 1.26 1.13 lAlO soo 61 61 9.3 9.3 9* 9* 0.55 0.55 0295 0620 61 60 ».* 9.3 95 93 0.88 1.12 RANGE MAXIMUM MINIMUM 62 60 9.5 9.2 97 93 1.26 0.55 AVERAGE 61 9.* 95 0.92 T-108 TABLE T-12 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES MIDDLE REACH INTENSIVE SAMPLING PROGRAM MAY 8-12, 1961 STATION Co Li»> kuU 1 Dl»li MILE 90. a DATE TIME PST TEMP 00 mg/l 00 ». SAT SOoyBOO mg/l ASS mg/l 0-PO, mg/l T-PO» EC.K^ 01 85* C 5- 9-61 ;-l2-£l 1035 1*05 6k 66 8.6 8.3 89 88 iai.5 K35 66 66 8.5 8.5 90 90 (»kO 0620 66 6k 8.5 8.6 90 90 1050 IkSO 6k 65 8.5 8.3 89 1810 K30 66 66 ?J 88 88 0820 0615 65 65 8.3 8.3 87 »7 1015 1*85 65 65 8.8 8.2 86 86 1885 8830 65 65 8.3 8.k 87 88 0225 0615 6k 63 8.5 8.7 89 90 1085 lk20 63 63 8.8 8.6 91 89 2.81 3-30 1880 8210 6k 63 8.7 8.8 91 91 2.T9 2.82 0305 06llO 68 61 8.8 8.8 n 2.87 3.06 RANGE 1 MAXIMUM MINIMUM 66 61 8.8 8.2 n 3.30 8.79 AVERAGE 6k 8.5 89 8.9k STATION Abovs 3»CTmt ■DlO SlOUgSl WILE ftl DATE TIME PST TEMP mg/l DO XSAT SDotBOO mg/i ABS m«/l O-PO, mg/l T.PO, mg/l EC.C^ 01 25*C 5-8^ 5-9-«l 5-ia.2 lki5 6! 63 9.0 9.1. 92 97 1730 21l|0 61> 63 9.1. 9.1 98 91. 0125 0522 62 61 8.9 9.3 91 91 1025 UlOO. 62 63 9-2 9.1 91. 9U 1805 2150 63 6l4 9.0 a. 8 93 92 0120 0520 62 63 a.s 8.7 90 90 0930 1315 62 63 8.9 8.7 91 90 1720 2135 63 61 8.9 8.8 92 89 0U5 0509 61 60 8.9 9.0 90 90 0910 1325 61 63 9.1 9.0 92 93 0.98 0.96 201 121 1B05 211.5 62 61 9.1 9.0 93 91 0.86 1.09 158 2U. 0153 05«> 60 60 9.3 9.2 93 92 0.71. 0.89 180 191 RANGE MAXIMUM MINIMUM 61i 60 9.k 8.7 98 89 1.09 0.7U 2U. 121 AVERAGE 62 9.0 92 0.92 163 STATION EUhorn TUTr MILE 71.0 DATE TIME PST TEMP 00 mg/l ■y. SAT 5t)o, BOD mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l EC. 10* ot 25' C 5- B..£l 5- 9-61 5-10-61 5-U-61 5-12-61 oaoo 1200 61 63 9.3 9.2 9k 95 1600 2030 65 63 2-3 8.5 98 88 2IUXI OilOO 63 63 9.2 9.0 9? 93 080. 1200 53 65 9.0 9.0 93 95 I5I1O 2000 6:. 61. 9.1 9.0 U 2ll00 OllOO 63 9.0 9.0 93 93 0800 1200 63 63 9.0 9.0 93 93 1600 1355 61. 62 8.9 96 91 2lM» 62 61 9.0 9.0 92 91 0750 1200 62 62 9.0 9.0 92 92 1&» 2000 n 9.1 9.1 9k 93 0020 01.20 62 61 9.1 9.1 93 »2 MAXIMUM """^E MINIMUM 65 61 9.3 8.5 98 88 AVERAGE 63 9.0 93 STATION R. D. IDOO ( »o. ^) MILE 66. 3L DATE TIME PST TEMP "F D mg/l DO % SAT 5 Do, BOO mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC > lO' 0125=C 5- 8.61 5- 9-61 5-11-61 5-12-61 1S25 2230 68 67 8.1. 8.1. 91 90 0215 0600 65 61. 8.2 7.5 86 78 1100 1500 68 68 8.9 10.2 97 m 7.37 292 1925 221.0 66 65 9-3 9.0 99 95 6.30 5.60 27k 280 021.7 0628 63 62 e.o 7.8 82 80 1..65 1..96 282 282 CAurc MAXIMUM "'"^^ MINIMUM 68 62 10.2 7.5 111 78 7.37 1..65 292 271. AVERAGE 66 8.6 91 5.78 232 STATION Bri rte MILE 62.6 DATE TIME PST TEMP "F DO mg/l 00 % SAT 5 Doy BOD m,/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC.IO' at 25' C 5-8-61 5- 9-61 5-ID-61 5-U-61 5-12-61 lOkT 1520 62 63 9.2 9.3 9k 96 1900 2300 11 9.k 9.2 97 9k 0310 o6to 62 62 9.1 9.0 93 92 U30 1525 63 65 9.1 9.2 9k 97 1930 22k5 6k 63 9.1 6.9 95 92 0222 0638 62 62 9.0 8.8 92 90 1112 1515 63 63 8.9 B.9 92 92 1900 2250 ^3 63 9.0 9.0 93 93 0215 0608 61 61 9.1 8.9 92 90 1030 15kO 62 63 9.0 9.1 92 9k 0.96 1.08 2005 2310 62 6? 9.1 9-k u 0.9k 0.89 0323 0710 60 60 9.2 9.1 92 91 0.75 1.37 RANGE *""""" KAiNijt MINIMUM 65 60 9.k 8.8 97 90 1.37 0.75 AVERAGE 62 9.1 93 1.00 T-no Table T-13 RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20 - 2k, i960 EXPLANATORY COMMENTS 1. Unless otherwise noted, the stations are on the Sacramento River. The numerical designation of the stations was an aj"bitrary method of Identifying the stations during the sampling program. 2. Values shown in parenthesis and marked with an asterisk ( ) appeared unrealistic and were not used in computing maximi;im, minimum and average values . 3- Values for biochemical oxygen demand (BOD) are reported in the foBlow- ing manner: Example Method Time BOD a. Values shown in the example at right were OIO5 1-95 obtained from duplicate analyses of a com- 03^5 I.03 posite of the two samples collected at the specified times. b. Two BOD values shown for one time indicates I915 1.27, 1.22 that duplicate analyses were made on a single sample collected at that time. c. A single BOD value reported between two times 1330 indicates that the value was obtained from a 1.25 coniposite of samples collected at those times. I620 d. A single value shown for a specific time is 1530 l.UO the BOD of the sample collected at that time. h. Values for ABS, O-POi^, and T-POi^ were reported in the same manner as described for BOD results under sections c. eind d. of item 3. 5- Results of analyses of samples collected at sewage treatment plants are reported on page T-123- T-in TABLE T-13 SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 station: A62.6 MILE 62.6 STATION l&csaa But Mais DralD (Back Borrow Pit) MIL 60 .6L DATE TIME PST TEMP fng/l 00 %SAT 5 Ooy BOO mg/l ABS mg/l 0-PO, mg/l T-PO. mg/l EC.IC^ 01 25- C OATE TIME PST TEMP DO mg/l 00 % SAT 5 0o» BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21i-60 oeis 1107 73 73 7.9 8.1 n 93 1.68 1.68 0.0 0.2 0.2 196 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 101,5 73 1..5 52 U 2.0 5.6 5.6 liil2 1700 73 73 8.2 8.3 91, 95 1.03 0.98 0.0 0.2 0.2 197 17« 78 8.5 102 16 1.1, 6.1 6.1 2027 2310 73 71 8.2 8.3 91, 93 1.20 1.10 0.0 0.2 0.2 WO 221« 73 5.3 61 U. 0.9 7.3 9.0 0202 OkS9 70 71 8.1 6.1 90 91 0.96 l.Ol, 0.0 0.2 0.2 190 01,50 69 3.3 36 U 0.7 8.0 U 0600 1110 71 71 8.3 8.2 93 92 0.95 0.92 0.0 0.2 0.2 192 101,5 71 5.3 60 13 1.0 6.7 8.0 lllOS 1706 72 73 8.3 6.a 91, 97 0.98 0.93 0.0 0.1 0.2 200 161,0 80 9.2 111. 12 0.9 7.3 8.3 2016 2301 73 72 8.1. 8.3 97 91 1.25 1.08 0.0 0.2 0.2 205 2255 72 5.3 60 13 1.1 8.0 e.2- 0201 0502 7li 72 6.3 6.2 97 93 0.90 0.92 0.0 0.1 0.2 209 01,1,5 71. 3.1 36 6 o.e (0.3) ' (0.3) oaoo 1107 71 71 8.2 6.2 92 92 0.81 0.91, 0.0 0.2 0.2 aoi 101,5 76 6.5 76 11 0.3 7.8 8.1, lljl2 1713 72 73 6.1 8.1 95 97 1.21, 1.15 0.0 0.1 0.2 197 iiUS 83 13.7 173 12 0.7 9.5 9.5 2017 2302 73 73 e.ii 6.1, 97 97 1.08 0.99 0.0 0.2 0.2 199 221,5 60 6.9 65 11 0.8 8.9 9.8 0202 0S02 73 7li 8.3 8.2 95 95 0.95 0.89 0.0 0.2 0.2 201, 101,0 77 5.7 66 5JI. 0.7 8.1, 8,6 0802 IIW 72 72.5 1.9 8.1 90 92 1.01, 1.03 0.0 0.2 0.2 207 161,0 81, U.6 11.9 10 0.7 6J, 8,5 U|12 1702 73 73.5 8.2 6.1, 91i 97 1.00 1.06 0,0 0.2 0.2 202 221,5 80 6.1. 79 7.6 0.9 8.8 6.8 2006 2302 7li 71.5 8.3 8.3 97 91, 0.61 0.69 0.0 0.2 0.2 201 01.1,5 76 2.6 31 6.0 0.7 8.2 6.3 0202 0502 72.5 73 8.1 6.0 92 92 0.71, 0.75 0.0 0.2 0,2 RANGE 1 MAXIMUM MINIMUM 7li 70 8.1, 7.9 97 90 1.68 0.71, 0.0 0.0 0.2 0.1 0.2 0.2 209 190 RANGE MAXIMUM MINIMUM 81. 69 13.7 2.6 173 31 16 5.81. 2.0 0.3 9-5 5.6 U. 5.6 AVERAGE 72.5 8.2 91, 1.03 0.0 0.2 0.2 1 200 AVERAGE 76.5 6.5 79 10 0.9 7.3 7.9 STATION A60 .5 MILE 60.5 DATE TIME PST TEMP •F DO mg/l DO %SAT 5 Doy BOD mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 0610 1117 73 73 8.0 6.1 92 93 11,25 1716 73 73 6.3 6.1. 95 97 201,1 2330 73 71 8.2 6.3 91, 93 0215 0511 70 72 8.2 6.1 91 92 0615 1121, 72 71.5 6.2 6.2 93 93 11,16 1715 72 73 8.5 8.1, 97 97 2028 231s 73 72 6.1, 8.1, 97 95 021/S 0512 72 72 6.3 8,1 91, 92 0616 1116 71 71.5 6.6 8,3 97 91 11,22 1721 72 72 8.5 8.5 97 97 2027 2316 73 73 8.1 8.5 97 98 0215 0529 73 72 8.2 6.1 91. 92 06 IJ, 1126 73 73 8.1 8,2 93 91. 11.20 1711 73 73.5 6.2 6.5 91. 96 2017 2316 73.5 71 6.3 8.5 95 96 0219 05U, 72 73 6.1 8.0 92 92 RANGE MAXIMUM •"""^^ MINIMUM 73,5 70 6.6 8.0 98 91 AVERAGE 72 6.3 95 STATION Ax»i-lc»Il River MILE 60 .LL DATE TIME PST TEMP •F DO mg/l 0. %SAT 5 Ooy BOO mg/l ABS mg/l O-PO4 mg/l T-P04 mg/l 6-20-60 6-21-60 6-22.« 6-23-60 6-2U-6O 1015 61 9.2 93 2.98 2.96 0.0 0.0 0.0 1630 61. 8.7 91 1.62 1..51 0.1 0.1 0.1 221S 62 8.1. 86 2.65 2.57 0.1 0.1 0.1 01.25 60 9.0 90 I..98 5.01 0.1 0.2 0.2 1015 60 9.0 90 5.88 5.67 0.1 0.0 0.3 1615 61. 6.9 93 5,97 5.96 0.1 0.1 0.1 2215 62 8.9 91 2.1.6 2.1.6 O.l 0.1 0.2 01.15 59 13,6 135 1.1.6 1.1.6 0.0 o.l 0.1 1020 59 11,1 109 1.18 1.1,9 0.1 0.0 0.0 1615 63 13.0 131. 2.65 2.?7 0.0 0.1 0.1 2215 62 13.1 131. 1.98 1.96 0.0 0.1 0.1 01.1.0 59 13.1 128 5.71. 1„30 0.1 0.1 0.1 1015 59 13.5 132 3.1,3 3.1,3 0.0 0.0 0.0 1615 63 13.3 137 1.76 1.70 0.0 0.1 0.1 2215 62 13.5 138 0.96 0.96 0.1 0.1 0.1 01.15 58 IL.O 136 1.18 1.1,8 0.1 0.1 0.1 RANGE MAXIMUM MINIMUM 61 56 11. .0 8.1. 138 B6 5.97 0.96 0.1 0.0 0.2 0.0 0.3 0.0 AVERAGE 61 11.3 LU, 3.10 0.1 0,1 0.1 T-112 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24. I960 STATION A58.? MILE 58.2 DATE TIME PST TEMP 00 m,/l DO % SAT 6 Dot 800 mg/l ABS m,/l 0-RO, mg/l T-PO, m,/l 6-?0-«0 6-21-60 6-2;-«o 6-23-60 6-2L-60 0650 72 71 7.8 e.L 69 91, 1.19 I.IB 0.0 0.2 0.2 UJ5 1730 70 70.5 8.6 6.8 96 99 i.oe 0.99 0.0 0.1 0.2 2053 231iO 70 65 8.7 8.7 97 96 1.01 1.07 0.0 0.2 0.2 0230 0522 69 66 6.6 6.7 95 95 0.91 0.83 0.0 0.1 0.2 0630 U36 69 66 6.7 8.6 96 93 1.00 0.98 0.0 0.1 0.1 1130 1727 69 69.5 8.9 8.9 98 99 1.07 1.01 0.0 0.1 0.2 2013 2330 69 68 8.9 8.8 96 96 0.97 0.97 0.0 0.2 0.2 0230 0525 68 68 8.8 6.7 96 95 0.61. 0.87 ox 0.1 0.2 062* 1131 66 68 9.1 8.7 97 95 1.07 0.92 0.0 0.2 0.2 11.35 1732 68 69 8.9 9.0 97 99 1.06 0.96 0.0 0.1 0.2 201,6 2331 69 69 9.0 9.2 99 101 l.W 1.79 0.0 0.2 0.2 0232 0537 66.5 66 8.6 8.7 97 95 0.81. 0.66 0.0 0.1 0.2 0832 113? 67 66 8.8 8.7 95 95 0.86 0.0 0.2 0.2 U.33 1726 69 70 6.7 6.9 96 99 0.79 0.91 0.0 0.2 0,2 2030 2330 69 68.5 9.0 9.1 99 100 0.77 0.T7 0.0 0.1 0.1 0232 0531 68 68 B.9 6.7 97 95 0.67 0.65 0.0 0.2 0.2 RANGE J AXIMUM INIMUM 72 66 9.2 7.8 101 89 1.T9 0.65 0.0 0.0 0.2 0.1 0.2 0.1 AVERAGE 68.5 8.6 97 0.96 0.0 0.2 0.2 STATION 156 .7 MILE <6.7 DATE TIME PST TEMP •F mj/l DO *SAT SOojBOO mg/l ABS mg/l 0-P0« mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21-60 0900 LUi8 70 70 8.2 6.3 91 92 IJ.1.5 171.2 71 71 8.5 8.6 96 n 2101 2350 70 69 6.7 8.7 97 96 02U 0517 66 69 8.6 8.6 93 95 061.5 LUi5 69 66.5 6.7 8.6 96 95 11.39 1736 69 70 8.8 6.7 97 97 2052 231.5 69.5 69 8.9 . (9.7)* 99 . (107)' 021.5 051.S 68 66 6.8 6.7 96 95 081.3 111.0 67 68 6J 8.7 95 95 Tl.l.l. 1739 68.5 69 8.9 97 9« 2105 231.5 69 68 8.9 9.2 96 100 021.7 051.6 69 66.5 9.0 6.9 99 98 06 U, 111.7 67.5 68.5 8.9 6.6 97 97 IU.2 1735 69 69.5 8.6 8.8 97 98 2038 231.2 69.5 67 6.7 9.1 97 98 021.3 051.1. 68 69 8.9 6.9 97 98 PANrr MAXIMUM RANGE MINIMUM 71 67 9.2 6.2 IDO 91 AVERAGE 69 8.8 97 STATION AS5 5 MILE 55.5 DATE TIME PST TEMP •F DO mg/l 00 %SAT 5 Dor BOD mg/l ABS mg/l O-PO, mg/l T-P04 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-2I.-60 0916 UOO 71 71 91. 92 11.53 71 71 96 91. 2107 0000 71 69.5 97 97 0251 0556 69 69 93 93 0657 1153 69 66.5 97 95 1U6 1716 69 69.5 96 97 2101 2351. 69.5 69 99 98 0250 0555 68 69 97 97 0651. 111*6 67 67.5 96 95 11.50 171.5 66.5 69 97 97 2111 2356 69 6« 96 96 0156 059. 69 69 101 97 0651 1153 66.5 68 97 95 1U7 171.1 69 69.5 96 96 201.8 2353 69.5 69 8.9 98 96 0251. 0552 68.5 66.5 6J 6.7 97 96 RANGE "»»l""" """'"■ MINIMUM 71 67 9.2 8.1 n AVERAGE 69 6.7 H STATION A51..2 MILE 51..2 DATE TIME PST TEMP •F DO mg/l DO % SAT 6 Dot BOO mg/l ABS mg/l O-PO, mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21.-60 0920 70 71 6.5 6.3 91. 93 0.85 0J5 0.0 0.1 0.1 1501 1800 71 71 6.3 8.5 93 96 0.76 0.61 0.0 0.1 0.2 2U1. 0015 70.5 69.5 6.5 6.6 96 96 0.96 0.90 0.0 0.2 0.2 0301 0601. 69 76 8.6 6.6 95 96 0.96 0.66 0.0 0.2 0.2 0909 li03 69 66.5 8.6 8.6 95 95 (0.05): (0.02) 0.0 0.1 O.I 11.57 1755 69 69.5 8.7 8.7 96 97 0.93 0.91 0.0 0.1 0.2 2113 0012 69.5 69 8.7 8.6 97 97 1.03 1.03 OU) 0.1 0.2 0306 0609 66 69 6.9 8.7 97 96 0.89 0.56 0.0 0.1 0.2 0909 1156 68 67.5 8.6 8.6 96 93 0.93 0.66 0.0 0.2 0.2 1501 1757 66.5 66.5 8.6 8.6 97 97 0.92 0.92 0.0 0.1 0.1 2122 oou 69 69 6.6 9.0 97 99 l.U 0.99 0.0 0.1 0.2 0)09 06O2 69 69 6.9 6.9 98 96 0.99 1.00 0.0 0.2 0.2 0909 UOl »9 66 6.6 6.7 97 95 0.60 0.66 0.0 0.2 0.2 11.59 1753 69 69.5 6.7 9.7 9« 97 0.61 0.7b 0.0 0.2 0.2 2056 0009 69.5 67 6.7 9.0 97 97 0.76 0.76 0.0 0.2 0.2 0310 turn 66 66 6.9 6J 97 ft 0.66 0.7t OJ) 0.2 0.2 RAMCE 1 AXIMLW INIMUM 71 67 9J 8.3 99 93 1.U O.J« 0.0 OJ 0.2 0.1 0.2 0.1 AVERAGE 69 6.7 96 0.6) ox 0.2 0.2 T-113 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATION A53 2 MILE S3.S DATE TIME PST TEMP DO mg/l 00 % SAT 5 Day BOD ABS mg/l O-PO4 mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 0930 1205 72 71 8.2 8J, 93 91, 1513 1810 71 71.5 8.2 8.1 92 95 2135 0020 71 70 8.1i 8.5 9li 91, 0315 0617 70 70 8.1, 8Ji 93 93 0917 121S 69 69 8.6 8.6 95 95 1506 1803 69 69.5 8 8 6 7 95 97 2122 0025 70 69 8 8 6 6 96 97 0317 0616 68 69 8 8 7 7 95 96 0917 1203 68 68 8 8 7 7 95 95 1513 1803 66.5 69 8 8 7 7 96 96 2129 0020 69 69 8 8 7 9 96 98 0317 0617 69 68.5 8 8 8 8 97 97 0918 1209 69 69 8 8 6 7 97 96 1505 1758 69 69.5 8 6 7 7 96 97 2106 002li 69.5 69.5 8 8 7 6 97 98 0320 0618 68 68 8 8 8 7 96 95 "-- r^ir 72 68 8.9 8.2 98 92 AVERAGE 69.5 8.6 96 STATION A52 3 MILE 52.3 DATE TIME PST TEMP •F DO mg/l DO % SAT 5 Doy BOD mg/l ABS mg/l 0-P0« mg/l T-PO, mg/l 6-20-60 6-21-O0 6-22-60 6-23-60 6-21,-60 0935 1226 72 71 (7.3)* 8.1, (83)* 9I1 1527 1815 71.5 71.5 8.3 8.1, 91, 95 211,5 0027 71 70 8.3 6.1, 93 93 0325 0626 69.5 70 8.3 8.5 92 91, 0930 1223 70 69 sl,. 95 1512 1810 69 69.5 6.7 6.6 96 96 2129 0035 69.5 73 8.6 6.7 96 100 0330 0621, 69 68 6.6 95 0925 1208 68 68.5 8.7 8.5 95 93 1S20 1809 68.5 69 8.7 8.7 96 96 2136 0031 69 68.5 8.6 6.7 95 96 0326 0625 68 68.5 6.8 8.7 96 96 0926 121il 69 69.5 8.9 6.7 96 97 1510 1801, 69 69 6.8 8.7 97 96 2115 0028 69.5 69 8.6 8.7 96 96 0328 0625 66 69 8.7 6.7 95 96 MAXIMUM '""«5E MINIMUM 73 68 6.9 6.3 UO 98 AVERAGE 69.5 8.6 95 STATION B50 .8 MILE 50.8 DATE TIME PST TEMP "F DO mg/l DO %SAT 5 Do» BOD mg/l ABS mg/l 0-P04 mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 0910 1211 69.5 70 9.5 8.5 106 91, 1.3 1.1, 0.0 0.2 0.2 1505 1752 69 70.5 8.5 6.5 93 96 1.67 1.65 0.1 0.3 0.U 2052 0010 (65)* 8.1 6.3 89 • (67)* 2.37 2.38 0.0 0.1, OJ, 0315 0600 66 66.5 8.3 8.3 90 91 1.82 1.81 0.0 0.1, OJ, 0900 111,2 69 69.5 8.6 9.0 95 100 1.70 1.70 0.0 0.3 0.3 1500 I7I1O 69 69 8.7 8.6 96 95 2.95 2.95 0.0 0.3 0.3 2U7 0009 68.5 66 8.5 8.6 93 93 2.76 2.72 0.1 0.3 0.3 031,5 0700 68 66 6.6 8.6 93 93 2.1, 2.3 0.0 0.3 Oji 1139 69 8.6 95 2.09 2.07 0.0 0.2 0.3 li,59 181,7 69 68.5 6.7 8.5 96 93 2.07 2.07 0.0 0.3 0.3 2031 0005 66.5 68.5 8.7 8.5 96 93 1.86 1.65 0.0 0.3 0.3 01,05 0610 68 68 6.6 6.6 93 93 1.66 1.65 0.0 0.3 0.3 0900 1126 69 66 8.7 8.9 96 97 2.22 2.23 0.0 0.3 0.3 UJ,3 1803 69.5 69 8.7 8.6 97 97 1.72 1.72 0.0 0.3 0.3 201,0 2350 68.5 68 8.5 8.5 93 92 2.16 2.21 0.0 OJ, 0.I4 0310 0600 68 66 8.5 8.5 92 92 2.17 2.25 0.0 0.1, 0.1, 0855 68 6.1, 91 3.06 3.02 0.0 OJ, 0.1, RANGE J AXIMUM INIMUM 70.5 63. 9.5 8.1 106 69 3.08 1.3 0.1 0.0 0.1, 0.2 O.ti 0.2 AVERAGE 66.5 8.6 91, 2.12 0.0 0.3 0.3 STATION BI19.8 MIL 1,9 .8 DATE TIME PST TEMP DO mg/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO, mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 0920 1216 70 69.5 'i.s 91 1512 1800 70.5 71 8.5 6.5 96 96 2105 0020 70.5 66 6.3 8.2 93 89 0330 0610 69 68.5 8.3 8.1, 91 92 0910 1152 69 69 8.5 8.7 93 96 1509 1752 69.5 69 8.9 8.9 99 96 2130 0021, 68 68 6.5 8.1 92 66 0355 0715 68 68 6.5 8.5 92 92 111,9 1508 69.5 69 6.7 8.6 97 97 1652 201,1 66.5 66.5 8.6 8.7 95 96 0015 OUIS 68 66 8.5 8.5 92 92 06 IS 0907 68 69 6.5 8.7 92 96 1136 11,51 69 70 8.6 8.9 97 99 1812 2051 69 68 8.7 8.7 96 95 0005 0320 68 68 6.5 6.5 92 92 0607 0902 66 68.5 6.1, 6.5 91 93 RANGE "*«"«"" KANtot MINIMUM 71 6« 6.9 6.1 99 81 AVERAGE 69 6.6 91, T-Uif TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 ST4TI0N BLe .1 Mil. WJ, DATE TIME PST TEMP DO mg/l DO %SAI SOoyBOO mg/l ABS mg/i O-PO4 mg/l T-PO4 mq/l 6-20-60 6-21-60 6.2J-60 6-J3-60 6-21-60 0935 U21 69.5 70.5 8.3 8.6 92 97 1535 U06 71 71 8.5 8.5 96 96 2117 0030 6> 69 8.2 8.2 90 90 03llO 0615 69 6« 8.0 8.1 88 88 0915 1201 69 69 8J. 8J 92 97 1517 1902 70 69.5 8.7 97 98 211.2 0037 68 6a 8.6 8.5 93 92 oliOS 0735 6e 68 8.5 e.L 92 91 1156 1517 69 69.5 8.7 9.0 97 100 U57 2050 68.5 6S 8.7 8.6 96 93 0025 ali2S 6S 67.5 8.5 8.1. 92 91 0619 09 U. 68 69 8.3 8.6 90 95 1U3 U55 69 70.5 8.8 8.7 97 98 1B19 2102 69.5 67.5 8.8 8.6 98 93 0015 0330 68 68 8.1. 8Ji 91 91 0615 0909 68 66.5 8.1. 8.1. 91 92 Hftnijt MINIMUM 71 67.5 9.0 8.0 100 86 AVERAGE 69 8.5 91. STATION il.7.1 MILE 1.7 .1 DATE TIME PST TEMP 00 mg/i DO It SAT S0BO0 mg/l ABS mg/l O-PO4 mg/l TPO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 091.5 1227 70.5 70 6.3 8.5 93 91. 151.0 18 11 70.5 71 8.6 ej. 97 91, 2126 00I.0 69.5 69 8.2 8.2 91 90 0350 0625 69 69 7.8 8.2 86 90 0920 1208 69 69.5 6.3 8.7 91 97 1525 1809 71 70 8.7 8.6 98 96 2150 001,5 66.5 68 8.3 8.3 91 90 01.10 0750 67.5 68 8.5 6.3 92 90 1203 1523 69 71 6.7 8J 96 99 1902 2059 70 68 6.3 92 001.0 01,30 68 67.5 6.1. 6.3 91 90 0625 0921 68 69 6.1. 8.5 91 93 111,9 1502 70 70.5 6J 8.9 96 100 1823 2U1 70.5 67.5 8.8 8.6 99 93 0030 0337 68 68 8J. 8.3 91 9« 0620 0915 66 68.5 8.2 8.1. 69 92 «...^.- MAXIMUM ""OE MINIMUM 71 67.5 6.9 7.8 100 86 AVERAGE 69 8.1. 93 STATION Bl.6 ■ 3 MILE 1.6.3 DATE TIME PST TEMP •F mg/i 00 %SAT 6 Oo» 600 mg/l AQS mg/l 0-P04 mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21. -60 0955 1231 69.5 70.5 8.0 8.3 69 93 1.8 1.6 0.0 0.1 0.1. 151.5 1621. 71 70.5 6.3 8J. 93 91 1.20 1.28 0.0 0.2 OJ. 2131. 001.5 68.5 69 8.2 7.9 90 67 2.06 2.01 0.0 OJ. 0.1. 0355 0630 69 69.5 7.8 7.7 86 86 1.88 1.81 0.0 0.1. 0.5 0955 1215 69.5 69.5 8.1 8.6 90 96 2.22 2.12 0.1 OJ. 0.1. 1532 I81J. 70.5 70 6.5 8.6 96 96 1.62 1.62 0.0 0.2 0.3 2155 0052 69 66 8J, 8.3 92 90 1.62 1.55 0.0 0.2 0.2 01,15 oaoo 66 68 6.1 8.1 86 86 1.8 1.6 0.0 0.3 OJ. 1207 69.5 8.1, 93 2.U 2.09 ox OJ. OJ. 1529 1901, 70 69.5 8.6 8.7 96 97 1.60 1.60 0.0 0.2 0.3 2107 OUO 68.5 67.5 8.6 95 1.60 1.51 0J> 0.3 0.3 01,35 0630 67.5 68 6.2 8.1 89 88 l.U 1.37 0.0 0.3 OJ. 0926 U56 69 70 6.3 8.7 91 97 2.07 2.U 0.0 0.3 0.3 1506 1837 71 70.5 6.9 8.7 100' 96 1J.2 ox 0.3 0.3 2120 0036 68.5 68 8.5 8.1. 93 91 i.W 1.1.2 0.0 0.3 0.3 031.5 0626 66 66 8.2 8.1 89 86 1.56 1.1.8 ox OJ. OJ. 0921 68.5 8.2 90 1.70 1.65 ox OJ. OJ. RANGE J AXIMUM INIMUM 71 67.5 8.9 7.7 UO 86 2,22 1.20 0.1 0.0 OJ. 0.2 0.5 0.2 AVERAGE 69 6.3 92 1.69 0.0 0.3 OJ. STATION BI.5 .1 MiLE 1.5.1 DATE TIME PST TEMP •F 00 mg/l DO %SAT 5 Ooy BOD mg/l ABS mg/l O-PO4 mg/i T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 1005 1236 70.5 70.5 8.1 8.2 91 92 1553 1837 71.5 71.5 8.6 6.5 98 97 2117 0055 70 69 8.2 7.9 91 87 01,05 061,0 69 69 7.8 7.6 66 66 1W5 1225 69.5 70 6.1 8.7 90 97 151.1 1625 71 70.5 6.6 8.6 97 97 2206 0105 68 66 8J. 8.2 91 69 01.25 0930 66 66.5 6.0 8.2 87 90 1221. 1539 69.5 71 6.1. 8.6 93 97 1911 2122 70 69 8.6 8.5 96 93 0120 OUO 67.5 67- el 88 0636 0932 68 69 8.0 8.3 87 91 1205 1511. 70 70.5 8.6 8.6 96 97 1859 2U5 70 68.5 8.6 8.5 96 93 0017 0355 68 68 6.3 6.2 90 0636 0931 68 68 8.2 8.2 69 69 RANGE 1 lAXIMUH IINtMUM l^-' ?:I n AVERAGE 69.5 8.3 92 T-115 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATION. Bli3.li MILE 1,3.1, DATE TIME PST TEMP m,/l 00 % SAT 5 Doy BOD fnq/'l ABS mg/l 0-P04 mfl/l T-PO4 mq/l 6-20-60 6-21-60 6-22-60 6-23-60 6-214-60 1015 IJllB 70 71 7.6 6.0 87 90 1.1. 1.5 0.0 O.l 0.1, 1600 181i3 71.5 71.5 8.5 8.5 97 97 l.W 1.1.6 0.0 0.3 0.3 2159 0105 71 69 8.3 8.0 93 68 1.231 1.31 0.0 0.3 0.3 0115 0650 69.5 69 7.9 7.5 66 82 1.1.2 1.1.3 0.0 0.3 0.1, 1010 123ll 69.5 70 7.7 8.6 86 96 1.60 1.65 0.0 0.1, 0.1. 1551 163lt 71 70.5 8.3 6.2 93 92 1.70 1.75 0.0 0.3 OJ, 2217 0118 69 68.5 8.3 8.1 91 89 1.1.6 1.39 0.0 0.3 0.3 0li30 68 7.9 86 1.37 1.37 0.0 0.3 0.3 0>50 1233 68.5 69 8.0 8.3 88 91 1.76 1.67 0.0 0.3 0.3 151i7 IS 16 70.5 70 8.3 8.5 93 91. 1.61 1.61 0.0 0.3 0.3 211i5 0135 69.5 68 8.1> 8.0 93 67 1.30 1.36 0.0 0.2 0.3 Ol,li5 06li5 67.5 68 6.2 8.0 89 87 1.19 l.Ui 0.0 0.3 0.3 o;liO 1208 69 70 6.1 8.3 89 92 1.51 1.55 0.0 0.3 0.3 1520 1907 70.5 69.5 8.I1 8.I1 91 93 1.70 1.70 0.0 0.3 0.3 2150 0100 66 68 8.1. 6.3 91 90 I.081 0.97 0.0 0.3 0.3 01.05 06k5 68 68 8.1 8.2 88 69 1.21. 1.16 0.0 0.3 0.3 09110 68 8.1 88 1.1.9 1.55 0.0 0.1. 0.1, RANGE 1 MAXIMUM 1INIMUM 71.5 67.5 8.6 7.5 97 82 1.76 0.97 0.0 0.0 0.1, 0.2 0.1, 0.3 AVERAGE 69.5 8.2 90 1.1.1. 0.0 0.3 0.3 STATION: 61,2.1 MILE 1.2.1 DATE TIME PST TEMP "F 00 mg/l 5 Doy BOO % SAT mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 1025 1251, 70 70 7.9 8.1 88 90 1607 1850 71 71 8.3 8.1, 93 91. 2210 0115 70 69 8.3 8.0 92 88 01,20 0700 69 69.5 7.9 7.6 87 81. 1025 121.2 69.5 70 7.7 8.0 86 89 ]6W IBU, 71.5 70.5 6.0 6.1 91 91 2226 0130 69 69 6.3 8.1 91 89 011,0 1000 66 68.5 6.0 6.0 87 88 121,0 1555 69 70.5 8J, 8.1, 92 91, 1922 2158 70 69.5 8.1. 6.3 93 92 0150 01,50 68 66 6.3 8.1 90 68 0652 091,6 68 69 8.1 7.9 88 87 1226 1528 70 71.5 6.1 8.5 90 97 1913 2200 70 69 8.3 8J. 92 92 Olio oiao 68.5 66 6.2 8.2 90 69 0651, 091,8 68 68 8.2 6.2 89 89 BANCF MAXIMUM """" MINIMUM 71.5 68 8.5 7.6 97 81. AVERAGE 65.5 6.1 90 STATION. Bl,l.l MILE la.l DATE TIME PST TEMP mg/l D %SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mq/1 T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 1035 1302 69.5 70.5 8.0 8.2 89 92 16 U, 1657 71 71 6.5 8.3 96 93 2221. 0130 70 70 8.1 6.1 90 90 01.30 0710 69.5 69 8.0 7.8 69 66 1035 1250 70 70 7.7 8.0 66 69 1510 1857 72.5 70.5 8.1, 8.2 95 92 221,1 0150 69.5 69.5 8.1 8.1 90 90 01,50 1005 68.5 68.5 8.1 7.8 89 86 121,7 1602 69.5 71.5 8.2 6.1 91 95 1926 2220 70 69 8.1 8.3 90 91 0210 01.55 69 68.5 8.1 6.2 89 90 0705 0955 66.5 68.5 8.1 8.0 89 88 1235 1538 70 71 8.3 6.5 92 96 1921 2213 70 69 8.6 8.6 96 95 0125 01.20 68.5 69 8.3 8.1 91 89 0701, 0958 66 68.5 8.2 8.3 89 91 o.Mrc MAXIMUM """^^ MINIMUM 72.5 68 8.6 7.7 96 86 AVERAGE 69.5 8.2 91 STATION. B39 .8 MILE 39.6 DATE TIME PST TEMP •F DO mg/l %SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-P04 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 101,5 1311 69 70.5 7.9 7.9 87 89 1.3 1.3 0.0 0.3 0.3 1623 1902 70.5 71 8.3 8.2 93 92 l.U, 1.1,1, 0.0 0.3 0.3 2231. 0135 70.5 70 8.3 8.1 93 90 1.13 1.20 0.0 0.3 0.3 01,35 0715 69.5 70 8.0 7.9 89 88 1.32| 1.21 L.2l,| 1.1,2 0.0 0.0 0.3 0.2 0.3 0.1, 101,0 1256 70 70.5 7.6 7.9 81 89 1.56 1.58 0.0 0.1, 0.1, 1618 I90I. 72.5 71 8.0 6.2 91 92 1.51 1.51 0.1 0.1, OJ, 221,9 0200 69.5 69.5 8.0 89 1.33 1.1,6 0.0 0.3 0.3 01.55 1010 69 69 8.0 7.8 88 86 I.OOi 1.29 L.3I1 1.16 0.0 0.0 0.3 0.1. 0.3 0.1, 1252 69.5 8.0 69 0.67 0.61, 0.0 0.3 0.3 1610 1932 71.5 70 8.1. 8.3 95 92 1.1,6 1.56 0.0 0.3 0.3 2221, 0220 69.5 69 8.2 8.2 91 90 1.38 l.U, 0.0 0.3 0.3 0500 0710 68 69 6.1 8.1 66 89 l.ol, 0.98 0.0 0.3 0.3 1000 121,0 69 70 8.1 6.0 69 89 1.31. 1.28 0.0 0.3 0.3 1550 1929 71 70 8.3 6.6 93 96 1.60 1.60 0.1 0.3 0.3 2222 0135 69 66.5 6.0 8.3 88 91 0.0 0.3 0.3 01,30 0713 66 69 6.1 6.1 88 89 1.05 1.11, 0.0 0.3 0.3 1010 68.5 8.2 90 1.23 1.21, 0.0 0.3 0.3 RANGE 1 MAXIMUM MINIMUM 72.5 68 8.6 7.6 96 81. 1.60 0.61, 0.1 0.0 0.1, 0.2 0.1, 0.3 AVERAGE 69.5 6.1 90 1.29 0.0 0.3 0.3 T-116 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATION C3»^ MIL 38.4 DATE TIME PST TEMP 00 00 %SAT 5 0o»B00 mq/l ABS mq/l O-PO4 mq/l T-PO. mq/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21.-60 0920 1222 70 70 7J> 7.7 61. 86 ISOO 1JB09 71 71 7.9 6.0 89 90 20)0 2327 70 70 8.1 9.5 90 91 OJ55 0605 70 70 7.0 5.8 78 61. 210» 2321 70 68 8.2 7.1. 91 80 0255 0527 69 69 8J. 92 92 081.5 1121 70 70 6.1 7.8 68 87 11.51 1725 71 71 7.7 8.0 87 90 2O20 0315 70 69 e.o 7.2 69 79 051.0 0901 70 70 7J. 7.8 82 87 lue 1501. 69 71 8.0 8.0 68 90 1735 2031 71 70 8.0 6.2 9« 91 231.0 0300 70 70 7.5 7.9 83 88 0621. 0652 70 70 8J. 8.3 93 92 ..„-, MAXIMUM HMnuc MINIMUM 71 68 8.5 5.8 91. 61. AVERAGE 70 7.6 e« STATION C37 .2 MILE 37.2 DATE TIME PST TEMP •F 00 mg/l 00 *SAT iOoyBOO mq/l ABS mg/l 0-PO, m,/i T-PO, mg/i 6-20-60 6-21-60 6-22-60 6-23-60 6-21.-60 0929 1230 70 70 7.6 7.9 SI. 68 _-— 0.0 OU) 0.3 0.3 0.3 0.3 1509 1816 71 71 7.9 7.6 89 88 1.20 1.20 0.0 0.3 0.3 2039 2337 70 70 7.9 6.2 88 91 2.67 2.88 OX O.J 0.3 0305 0620 70 70 7.2 7.7 80 86 1.66 1.69 0.0 0.3 OJ. 2122 0000 70 70 7.6 6.5 67 72 2.31. 2.29 0.1 0.3 OJ. 0306 0537 69 69 6.5 7.8 71 66 1.6 1.6 0.0 OJ. OJ. 0855 1127 71 70 8.1 7.6 91 87 1.68 ox 0.3 0.3 1500 1733 71 71 7.6 7.8 68 68 2.21 2.13 ox 0.3 OJ. 2110 70 7.9 68 [If^l' 0.0 0.3 0.3 0325 0517 69 70 7.1 7.1 78 79 2.50 2.1.5 ox 0.3 0.3 0908 1158 70 69 e.i 8.0 90 66 1.06 1.16 0.0 0.3 0.3 1512 71 71 7.9 6.0 89 90 l.U l.U 0,0 OJ. 0.1. 2039 2351 70 70 8.1 7.1. 90 62 1.31 1.31 0.0 0.3 0.3 03U 0631 70 70 6.5 7.3 72 81 l.U 1.36 0.0 0.3 0.L 0901 70 8J. 93 1.11. 1.12 0.0 0.3 0.3 AANGE MAXIMUM MINIMUM 71 69 6.1, 6.5 93 71 2.86 1.06 0.1 0.0 OJ. 0.3 0.1. 0.3 AVEBAGE 70 7.6 65 1.70 ox 0.3 0.3 STATION C35.9 MILE 35.9 OATE TIME PST TEMP •F DO mg/l DO %SAT 5 DO) BOO mq/l ABS mq/l O-PO4 mq/l T-PO4 mq/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21..60 09MI 1237 70 71 7.6 7.6 67 68 1518 1826 72 71 6.1 8.0 92 90 201.6 23M 70 72 7.7 7.7 66 68 0316 0630 70 70 6.1 6.9 68 77 2131. 0010 70 70 7.6 7.5 81. 63 0320 051.8 69 7* 6.6 7.2 73 80 0906 U31i 71 76 7Ji 7.9 u 1506 171.0 71 72 7.8 7.9 68 90 2125 0337 70 69 ".7 85 0551. 0916 70 70 7.7 6.1, 66 71 1209 1520 70 70 8.1 7.9 90 88 171.8 2055 71 69 6.2 8.0 92 68 0000 0321 69 70 7.8 7.6 86 81. 06I.S 0910 70 70 8X 8.1 89 90 OANCF MAXIMUM HHinMt MiNrMUM 72 69 6.2 6.1 92 68 AVERAGE 70.5 7.6 85 STATION C31.J. MILE 31. .1. DATE TIME PST TEMP •F mq/r % SAT SOoyBOD mq/l ABS mg/l 0-PO4 mq/l T-PO4 mq/l 6-20-60 6-21-60 6-22-60 6-23-60 6-2li-«0 091.7 1250 71 71 7.6 8.1 68 91 1.1. IJ. 0.0 0.3 0.3 1521 1833 72 71 6.2 7.9 93 89 1.50 1.50 OX 0.2 0.2 2U7 2352 70 70 7.7 6.7 86 71. 2. 31. 2.28 ox 0.3 0.3 0326 061.5 71 71 7.2 7.7 81 87 0.8 0.8 ox 0.3 0.3 211.1 0025 70 69 7.5 7.8 63 86 1.69 1.67 0.1 0.3 OJi 0325 0558 69 70 6.6 6.2 75 69 1.8 1.8 0.0 0.1. OJ. 0916 llLl 71 70 7.7 7.9 67 88 1.78 1.81. ox 0.2 0.2 1513 171.5 71 72 7.8 7.9 88 90 1.61. 1.61. ox 0.3 O.J 2136 70 7.7 66 1.59 1.63 ox 0.3 O.J 031.6 0600 69 70 6.6 6.8 73 76 0.98 0.99 0.0 0.3 O.J 0921. 1219 70 70 6.5 8x 91. 89 1.17 1.17 0.0 0.3 O.J 1528 1751 71 71 6.1 6.1 91 91 l.U 1X8 ox 0.3 O.J 2107 OOU 69 70 7.9 8.3 87 92 i.to l.M ox 0.3 O.J 0330 061.6 69 69 5.9 7.6 65 8h 1X1 1X1 ox 0.3 O.J 0919 70 7.9 88 1.31 1.31 ox OJ. OA RANGE 1 MAXIMUM IINIMUM 72 69 8.5 5.9 91. 65 2.31 0.6 0.1 ox OJ, 0.2 OJ, 0.2 AvtRAOC 70.5 7.6 85 l.U> ox 0.3 O.J T-117 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATION C33 .5 MILE 13.5 OATE TIME PST TEMP mg/l DO ■y.SAT 5 Day 600 mq/l ABS mq/l 0-PO, T-PO, (ng/l 6-20-40 6-21-60 6-22-60 6-23-60 6-2I1-60 0955 1257 71 72 7.5 e.o eii 91 1531 Ulil 72 72 7.6 8.1 86 92 2125 0006 70 71 7.6 7.6 66 0331 061.9 70 71 7.1 7.6 62 65 215lj 0032 70 69 7.5 7.5 63 62 0330 0606 70 70 6.6 6.5 76 72 092I1 llll7 71 70 7.2 7.6 61 67 1527 1751 71 72 6.0 6.0 90 91 21li9 0351 70 70 7.7 7.5 86 83 0606 0930 70 70 6.6 7.6 76 61. 1230 1535 71 72 7.9 6.0 89 91 1B02 2116 70 70 7.9 6.0 88 89 0019 0337 70 69 7.9 7.1. 68 81 0650 0925 69 70 7.5 7.9 62 88 RLKCf MAXIMUM "^"^^ MINIMUM 72 69 6.1 6.5 92 72 AVERAGE 70.5 7.6 65 STATION C3 .5 MILE 32.5 DATE TIME PST TEMP •F DO mg/l %SAT 5 Do, BOD mg/l ABS mg/l 0-P0« mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21.-60 1002 72 7.9 90 2.0 2.0 0.0 0.1, O.l 1301. 72 6.1 92 1.1 1.1 0.0 0.2 0.2 151.0 1B50 73 72 8.6 6.1 99 92 1.67 1.67 0.0 0.3 0.1, 2131. OOll 70 71 6.0 7.9 89 69 1.96 1.62 0.0 0.3 0.3 O3I.2 0655 70 70 7.7 7.6- 66 81. 1.8 1.8 0.0 0.3 0.3 2203 OOI.I 70 70 7.5 7J1 83 62 1.62 1.89 0.1 0.2 0.2 031.2 0611. 70 70 6.5 5.3 72 59 1.6 1.6 0.0 OJi 0.1, 0932 1152 71 70 5.9 7.6 66 87 1.67 1.7t 0.0 0,0 0.0 1532 1756 72 71 6.0 6.1 91 91 1.72 1.65 0.0 0.3 0.3 2157 70 7.7 86 1.38 1.39 0.0 0.3 0.3 oiao 0611. 70 70 7.1 7.7 79 86 1.8 1.7 0.0 0.3 0.3 091.2 1236 70 72 7.1. 7.6 82 69 1.86.1.28 0.0 0.3 0.3 151.1 1608 72 72 6.0 6.2 91 93 1.55 1.55 0.1 0.2 0.3 2126 70 7.9 86 0.88 0.90 0.0 0.3 0.3 0027 70 7.9 88 0.92 0.93 0.0 0.1, 0.1, 03li5 0656 69 69 I..8 7.6 53 81. 1.05 0.96 0.0 0.3 0.3 091.5 70 7.6 87 1.38 2.20 0.0 0.1, 0.1, RANGE tIAXIMUM MINIMUM 73 69 6.6 1..8 99 S3 2.20 0.66 0.1 0.0 0.1, 0.0 0.1, 0.0 AVERAGE 70.5 7.5 81. 1.53 0.0 0.3 0.3 STATION -;x .6 MILE 31.6 DATE TIME PST TEMP »F D mg/l 00 % SAT 5 Dov BOO mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 1008 1312 72 72 7.1, 7.9 61, 90 151.9 1851. 72 72 6.2 8.2 93 93 211,1 0022 70 71 7.9 7.5 88 61. 0350 0701 70 70 7.8 7.3 87 61 2211 001.7 70 69 7.5 6.1 83 67 0350 0622 70 70 6.2 5.6 69 61, 091.0 1158 71 71 6.7 7.7 75 67 1536 1801 72 72 6.1 6.0 92 91 01,16 0620 70 70 7.5 7.3 83 61 0952 121,3 70 72 8.3 7.6 92 69 151,6 1615 71 72 8.0 6.2 90 93 2133 0032 69 69 6.0 7.6 86 81, 0350 0701 69 69 7.9 8.1 67 69 0951 70 6.1 90 RANGE 1IAXIMUM MINIMUM 72 69 6.3 5.6 93 61, AVERAGE 70.5 7.6 65 STATION. C30 .1 MILE JO-J DATE TIME PST TEMP "F mg/l DO % SAT 5 Doy 600 mg/l ABS mg/l 0-P04 mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 1017 1321 72 72 7.1, 7.6 61, 66 1.6 1.7 0.1 OA 0J< 1556 1903 73 72 7.9 6.2 91 93 1.32 1.32 0.0 0.2 OJ, 2151 0033 70 71 8.0 7.7 89 67 2.35 2.1,7 0.0 0.2 0.2 01,01 0710 70 70 7.7 7.8 86 67 1.55 1.53 0.0 0.2 0.3 2220 0058 70 71 7.6 5.7 67 61, 1.72 2.00 0.1 0.3 0.3 01,00 0633 70 70 7.0 6.1 76 68 2.1 1.9 0.0 0.3 OJ, 0951 1207 71 71 7.3 7.5 62 61. 1.97 1.61. 0.0 OJ. O.l 15IJ, 1607 72 72 7.9 8.0 90 91 1.81. 1.71. 0.0 0.3 0.3 01,20 0626 70 70 6.6 5.6 73 62 1.5 1.6 0.0 0.3 0.3 1000 1252 70 72 7.6 7.7 61. 66 1.31, 1.30 0.0 0.3 0.3 1555 1623 72 72 7.6 6.0 69 91 1.18 i.ie 0.0 0.3 0.3 211,5 ooU 70 70 8.0 7.9 69 68 1.30 1.13 0.0 0.3 0.3 01,00 0705 69 69 7.7 7.5 65 62 1.06 1.06 0.0 0.3 0.3 1000 70 7.9 68 1.07 1.05 0.0 0.3 0.3 RANGE ,IAXIMUM MINIMUM 73 69 6.2 5.6 93 62 2.1,7 1.05 0.1 0.0 0.1, 0.2 OJ. 0.2 AVERAGE 71 7.5 81, 1.56 0.0 0.3 0.3 T-118 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE tO-Z4, I960 ST4TI0N CJ».t MILE 28 Ji DATE TIME PST TEMP •F mg/l D %SAT SOcyBOD Aes mg/l mg/l TOO. 6-:o-M 6-21-60 6-22-M 6-23-60 6-2I1-60 1025 UK 72 72 5;!; 81, 81, 1403 Wll 73 72 e':I 6» >2 2200 OOI16 70 71 'is 81. OliUi 0120 70 70 s.o 8> 83 2232 01» 70 6» — 91 OliUi 061i6 70 70 si' 77 63 lOOli 1214 71 71 7.8 (8 82 1551 U13 72 72 ?:» 88 JO 0li33 0*37 70 70 7.0 78 79 1006 1306 70 72 7. '6 86 86 14U 1832 72 71 90 89 2153 oo5li 69 70 e!2 79 91 ol,u 0710 65 70 7J- 87 82 1006 70 7.5 83 RANGE "'"""''" NANbt MINIMUM 73. 65 8.3 5.7 92 63 AVERAGE 70.5 7.6 8I4 STATION C/1 [>.?7.1. MILE 27. k DATE TIME PST TEMP •F DO m,/l 00 XSAT SOotBOO mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l EC.Of W 25*C 6.20.60 6-21.60 6.22-60 6.23-60 6.2k-60 0750 1120 72 73 7.0 8-3 80 95 109 0.98 0.0 0.3 0.3 170 IkOO 1650 T3 73 7.7 7.6 89 88 1.2k 1.2k 0.0 O.k O.k 172 1955 2ak5 7» 71 7.5 B.2 85 92 1.06 1.12 0.0 0.3 0.3 170 0155 0U.5 72 71.5 7.8 7.8 89 89 0.97 0.99 0.0 0.2 0.3 167 0815 1055 71.5 Tl 7.7 7.3 88 82 1.20 1.18 0.0 0.3 0.3 167 ^ 72 T3 7.6 7.9 86 91 1.25 1.33 0.0 0.3 0.3 162 2000 2300 T2 72 7.8 7.9 89 90 1.25 1.15 0.0 0.3 0.3 158 0230 o£lo 72 72 7.8 7.k % 1.25~ 0.0 0.3 0.3 OSkO 72 72 7.0 7.0 80 80 1.2k 1.2k 0.0 0.3 O.k 165 1350 72 7.3 83 1.28 1.28 0.0 O.k O.k 169 1556 iai9 72 72 7.7 7.8 88 89 2.16 2.16 0.0 0.3 0.3 owi 061.3 71.5 70 «7.6)' 7.7 'k'* 1.2 1.0 0.0 0.3 0.3 1317 70 72 7.5 7.6 83 86 VM 0.0 0.3 0.3 157 1625 1839 71 71 7.8 7.9 88 89 1.26 1.16 0.0 0.3 0.3 157 2203 0102 70 70 7.9 7.9 88 68 1.00 0.98 0.0 0.3 0.3 158 olilB 0716 69 70 8.0 7.5 88 83 0.57 0.53 0.0 0.3 0.3 15T unit 70 7.9 88 LOT 1.01 0.0 o.k O.k 160 RANGE ] IIAXIMUM MINIMUM U 8.3 7.0 95 80 2.k2 0.53 0.0 0.0 O.k 0.2 O.k 0.3 172 157 AVERAGE 71.5 7.7 87 1.27 0.0 0.3 0-3 I6k ** BOD v&lucs are average* of duplicate anaJora«a of alnftle sables STATION D26 .8 MILE 26.8 DATE TIME PST TEMP •F DO mg/l DO %SAT SDoyBOO mg/l ABS mg/l 0-P0« mg/l T-PO, mg/l 6-20-60 6'«l-6« 6-22-60 6-23-60 6-2I1.6O 0800 U30 72 73 7.0 7.1 80 82 lillO 1700 73 73 7.5 7.7 86 89 2010 2300 72 7.5 7.8 85 68 0205 oliSS 72 71.5 7.3 7.7 83 88 0620 1105 71 71 7.6 7.3 85 82 lllOO 1700 72 73 7.1. 7J 81. 90 2010 2310 72 72 7.8 7.9 89 9« 02IiO 061s 72 72 7.6 7.1 86 81. 0850 1120 71.5 72 7.1. 6.8 81. 77 lilOO 1700 7I1 73 7.2 7.3 81. 81. 1950 2300 72 72 7.3 7.6 83 86 0200 OSOO 72 72 7.3 7.3 63 83 0800 uoo 70.5 71 7.3 7.5 82 81, lUlO 1700 72 72 7J. 7.1. 8L 81. 2000 2300 72 71.5 7.5 7.7 85 88 0200 0510 71 71 7.5 7.6 81. 85 RANGE «"«I"U" """" MINIMUM 71. 70.5 7.9 6.8 9« 77 Average 72 7.5 85 STATION 025 •5 MILE 25.5 DATE TIME PST TEMP •F D mg/l DO %SAT 5 Ooy BOD mg/l ABS mg/l O-PO4 mg/l T-P04 mg/t 6.20-60 6.21..60 6-22.60 6.23-60 6-21.-60 0815 1135 72 72.5 7.1 7.3 81 83 1.11 1.11. 0.0 0.3 0.3 1J.20 1710 73 73 7.1. 7.8 85 90 1.30 1.35 0.0 0.1, OJ. 2020 2310 72 73 7.6 7.5 86 86 1.18 1.26 0J> OJ. 0.1. 0215 0505 72 72 7.1. 7.3 81. 83 1.1 1.2 0.0 0.3 0.1, 0830 ms 71 71 7.7 7.5 87 61. 1.10 1.10 0.0 0.3 0.3 UIO 1710 72 73 7.8 8.3 89 95 1.11. l.U. 0.0 0.2 0.3 2020 2320 72 72 7.6 7.9 86 90 1.59 1.57 0.0 0.3 0.3 0300 0620 72 72 7.9 7.5 90 85 1.5 1.5 0,0 0.2 0.3 0855 U30 71.5 72 7.2 6.8 82 77 1.23 1.19 0.0 0.3 0.3 UIO 1710 71. 73 7.4 7.7 86 89 1.28 1.26 0.0 0.3 0.3 2000 2320 72 72 7.1. 7.7 81. 88 1.07 1.03 0.0 0.3 0.3 0210 0505 72 72.5 7.2 7.5 82 85 1.8 1.6 0.0 0.2 0.2 0605 1110 70.5 71 7J. 7.5 63 81. 1.06 1.08 0.0 0.3 0.3 ll.ln 1710 73 72 7.1 7.5 85 65 1.17 1.17 OM 0.3 0.3 2010 2305 72 71.5 7.1 7.6 81. 86 1.22 1.10 0.0 0.3 0.3 0205 0525 71 71 7.5 7.7 81. 87 1J.7 1.61. 0.0 0.2 0.3 RANGE 1 AXIMUM INIMUM 71. 70.5 8.3 6.8 95 77 1.61. 1X3 0.0 0.0 0.1. 0.2 O.k 0.2 AVERAGE 72 7.5 86 1.27 0.0 0.3 0.3 T-119 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATION mh ■ 3 MILE 2i..3 04TE TIME PST TEMP •F mg/l DO %SAT 5 Day 600 mg/l ABS 0-P0« mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21-60 0630 USO 72.5 73 82 83 Ui2e 1720 73 73 if 91 2030 2330 73 72 65 81. 0230 0515 72 72 88 86 oeiio 1125 71.5 72 90 65 lli20 1710 72 71. 89 99 2030 23llO 72 72 90 68 0325 0635 72.5 72 92 89 0905 U35 72 72 81. 77 lJ.20 1720 75 71. 85 91. 2030 2335 73 72 65 81. 0225 0520 72.5 73 66 91 OSIS 1120 71 71 81. 87 11.25 1725 73 72 67 69 2025 2320 72 71.5 89 86 0220 O5I1O 71.5 72 89 90 "-- ^Nir 75 71 8.5 6.S 99 77 AVERAGE 72.5 7.6 67 STATION D23 .3 MILE 23.) DATE TIME PST TEMP •F DO mg/l DO %SAT 5 Doy BOO mg/l ABS mg/l 0-P0« mg/l T-PO» mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21. -60 UOO 73 7.3 81. «4£> -„ ... ... U.1.0 173« 73 73 7.8 8.0 90 92 1.29 1.29 0.0 0.3 0.3 20U> 2350 73 72 7J. 7.5 85 85 1.10 1.12 0.0 0.3 0.3 021.0 0525 72 72 8.0 7.6 90 66 1.3 1.3 0.0 0.3 OJ. 0850 1135 71.5 72 7.8 7.6 69 66 1.00 0.99 0.0 0.2 0.6 11.30 1730 73 71. 8.0 8.7 92 101 1.71 1.79 0.0 0.3 0.3 20I.O 2350 73 73 8.0 7.9 92 91 1.16 1.12 0.0 0.2 0.3 031.0 061.0 73 72 7.8 7.9 90 90 1.56 1.56 0.0 0.3 0.3 0915 111.5 72 72 7.6 7.1 86 81 1.21 1.27 0.0 0.2 0.3 11.30 1730 71. 71. 7.6 8.6 88 100 1.73 1.73 0.0 0.3 0.3 201.0 231.5 73 73 7.8 7.5 90 66 1.09 1.07 0.0 0.3 0.3 0235 0525 73 73 8.0 6.1 92 93 1.7 1.7 0.0 0.2 0.3 0825 1135 72.5 71 7.3 7.3 83 62 1.10 1.12 0.0 0.3 0.3 11.35 1735 72 73 7.7 8.0 88 92 1.12 1.12 0.0 0.2 0.3 2035 2330 73 71.5 8.0 7.5 92 85 1.20 1.28 0.0 0.3 0.3 0230 0550 72 72.5 7.9 8.3 90 91. 1.27 1.31 0.0 0.3 0.3 RANGE MAXIMUM MINIMUM 71. 71 8.7 7.1 101 81 1.79 0.99 0.0 0.0 0.3 0.2 0.6 0.3 AVERAGE 72.5 7.8 89 1.30 0.0 0.3 0.3 STATION D22 •3 MILE 22.3 DATE TIME PST TEMP »F DO mg/l %SAT 5 Day BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6.21.-60 0900 1210 73 73 7.2 7.1 63 85 11.50 171.0 71. 71. 7.7 8.1 90 91. 2050 0000 73 72 7.6 7.7 87 86 0255 0530 72.5 72 7.9 7.7 90 66 0900 111.5 71.5 72 7.8 7.6 89 89 11.1.0 171.0 73 71. 6.2 9.0 91. 105 2050 0005 73 72.5 8.2 6.1 91. 92 0355 0650 73 73 8.1, 8.0 97 92 0920 1150 72 73 7.8 7.3 89 81. 11.1.5 171.0 71. 71. 7.8 8.9 91 103 2050 2355 73 73 7.9 7.7 91 89 021.5 0535 73.5 73.5 6.1. 8.1 97 97 0630 U1.5 72.5 71 7.5 7.3 85 82 11.50 171.5 73 71. 7.6 8.1, 90 98 201.5 231.0 73 72 8.2 7.7 91. 88 021.5 0600 73 73 8.7 8.7 100 100 RANGE "OXI""" nan(3t MINIMUM 71. 71 9.0 7.2 105 82 AVERAGE 73 8.0 92 STATION D21.1 MILE 21.1 DATE TIME PST TEMP "F DO mg/l DO %SAT 5 Doy BOO mg/l ABS mg/l 0-P04 mg/l T-PO, mg/l 6.2»-60 6-21-60 6-22-60 6.23-60 6-21,-60 0915 1220 73.5 7.2 7.6 63 87 1.17 1.20 0.0 0.3 0.3 1500 1750 7.9 6.1 92 91, 1.59 1J,2 0.0 0.3 0.3 2100 0020 72.5 7J 7.9 90 90 1.19 1.13 0.0 0.3 0.3 0305 051.0 72.5 8.2 7.9 93 90 1.3 1.1 0.0 0.3 0.3 0910 1155 7.7 7.8 86 90 1.16 1.23 0.0 0.3 0.5 11.50 1750 8.1 8.9 93 103 1.56 1.63 0.0 0.3 0.3 2100 0015 8.2 8.1 91, 93 1.1.7 1.27 0.0 0.2 0.2 01.10 0700 8.7 8.2 100 91. 1.1.5 1.1.5 0.0 0.3 0.3 0930 1200 72.5 8.0 7.1. 91 85 1.25 1.15 0.0 0.2 0.2 U55 1750 8.3 9J. 97 109 1.88 1.80 0.0 0.3 0.3 2100 0005 6.3 8.1 95 93 1.27 1.29 0.0 0.2 0.3 0300 051.5 73.5 73.5 9.0 6.8 103 101 2.0 1.9 0.0 0.2 0.2 081.0 1155 7.9 7.5 91 65 1.29 1.21, 0.0 0.3 0.3 11.55 1755 8.0 9.2 92 107 1.72 1.62 0.0 0.3 0.3 2055 2350 8.5 8.0 98 90 1.68 1.66 0.0 0.2 0.3 0255 0610 73.5 8.9 8.9 102 102 0.85 0.86 0.0 0.3 0.3 RANGE { MAXIMUM MINIMUM 75 72 9J. 7.2 109 63 2.0 0.85 0.0 0.0 0.3 0.2 0.5 0.2 AVERAGE 73 6.2 91. lJ.0 0.0 0.3 0.3 T-120 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATION D20 •1 MIL 20.1 DATE TIME PST TEMP 00 m,/l 00 USAT SOoyBOO mo/I ABS 0-PO, mo/I T-PO. mo/I 6-20-6O 6-21-60 6-22-60 6-2)-60 6-2I1-6O 0»30 12)0 73 73.5 7.2 7.7 8) 6» 1510 1758 71- 71 a.i S.I. 9U 98 2L10 0030 73 72.5 9.0 8.0 92 91 0315 0555 73 73 8.2 8.0 91. 92 0920 1205 7J 73 7.7 7.> 88 91 1500 uoo 7I> 75 8.5 ».l 99 106 2110 0025 73 73 8J. 8.1 97 97 ali20 0T05 73 73 6.3 102 95 OVM 120s 72.5 7li 8.2 7.8 93 91 1505 leoo 7li 75 8.6 9.5 100 110 2105 •020 7I1 73.5 8.7 e.i. 101 97 0310 0555 71. 73.5 9Ji >.2 109 106 oa5« 1205 73 72 8.3 7.6 95 86 1505 U05 71. 75 8J. 98 115 2105 0000 71. 73 6.J 8.3 103 95 0305 0620 73.5 73.5 9J> >.2 U6 BAME MAXIMUM "•"" MINIMUM 75 72 9.8 7.2 lis 83 AVERAGE 73.5 8J. 98 STATION D18.8 MILE i«.e OATE TIME PST TEMP •F DO mg/l 00 USAT SDotBOO mg/l ABS mg/l 0-PO, mf/l T-P04 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-2ii-60 0935 1210 73.5 71. 7.2 8.0 83 93 1.28 1.28 0.0 0.3 0.) 1515 1810 71. 75 8.4 8.7 UK) 101 1.92 i.n 0.0 0.) 0.) 2120 OOld 73 73 7.9 8.3 91 95 l.U 1.36 0.0 0.) 0.3 0330 0605 73 73 8.1. 8.2 97 91. 1.7 1.7 0.0 0.) 0.3 0925 1215 72 73 7.8 7.9 89 91 l.)0 1.19 0.0 0.) 0.5 1510 UIO 71. 75 8.9 9.3 103 108 1.68 1.57 0.0 0.) 0.) 2120 OOLO 73 73.5 6J. 8.9 97 102 1.50 l.U) 0.1 0.) 0.) 0715 73 8.7 100 1.3« 1.39 0.0 0.) 0.) 0915 1215 73 71. 8.2 8.2 91. 95 IJil 1.28 0.0 0.) 0.) 1S15 1810 71. 75 9.1 9.7 U6 113 1.93 1.93 0.0 0.1 0.1 2110 0030 71. 71. 9.1 9.2 106 107 3J.1. 3.1.8 0.0 0.2 0.) 0320 0605 71. 71. 9.3 9.2 IM 107 1.3 1.3 0.0 0.2 0.) 0900 1215 73.5 73 8.5 7.8 98 90 1.U 1.U 0.0 0.) 0.) 1515 1815 75 75 8.9 10.2 10) 119 2.00 2.00 0.0 0.) 0.) 2115 0010 75 71. 9.5 8.8 lis 102 1.81 1.89 0.1 0.3 0.3 0320 0635 73.5 73.5 8.8 9.0 101 103 1.71. 1.72 0.0 0.2 0.3 RANGE MAXIMUM MINIMUM 75 72 10.2 7.2 83 3.1.8 1.19 0.1 0.0 0.3 0.1 0.5 0.1 AVERAGE 71 8.7 100 1.73 0.0 0.3 0.3 STATION U7 .5 MILE 17.5 OATE TIME PST TEMP •F 00 mq/l 00 %SAT SOojBOO mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 6-21-60 6-22-60 6-23.40 0715 1016 71. 71. 7.3 7.3 85 85 1316 1616 71. 73 8.2 9.1 95 105 1916 2216 72 71 8.9 8.5 101 0755 1016 7) 71 8.0 8.1 92 91 1316 1616 7) 71. 9.1 9.6 105 112 1916 2225 7) 73 9.3 8.8 107 101 011.5 01.1.5 71 72 8.9 8.2 100 93 07)0 1016 72 72 8.5 6.5 97 1316 1616 75 75 9.1 9.8 109 UL 1916 2215 75 73 9.8 9.1. lU loe 01)0 01.30 71. 73 9.5 8.2 110 91. 071.5 1016 7) 73 9.2 8.7 106 100 U16 1616 76 75 8.7 10.1 117 1916 2215 73 72 9.3 9.6 W7 109 RANGE MAXIMUM "*'""■ MINIMUM 76 71 U.1 7.) U7 85 AVERAGE 73 8.9 102 STATION 115 .1 MILE 15.1 DATE TIME PST TEMP •F DO mg/l DO %SAT 5 Dor 800 mg/l ABS mg/l 0.P0, mg/l T-PO. mg/l 6-20-60 6-21-60 6-22-60 6-23-60 0730 1030 71 73 6.3 6.1 97 93 1.6 1.8 0.0 0.3 0.3 U30 1630 72 72 8J 8.8 100 100 l.M 1.66 0.0 0.) 0.3 1930 2235 72 70 9.1 8.5 103 91. 1.8 IJ 0.0 0.) 0.) 0800 1030 72 72 8.5 8.1. 97 95 1.55 1.56 0.0 0.) OJ. 1330 1630 75 71 9J. 8J 109 102 2.03 1.83 OJ 0.) 0.3 1930 2235 72 73 9.5 9.3 107 2.00 1.M 0.0 0.2 0.3 0200 01.55 70 71 8.0 8.0 89 90 1.5 IJi 0.0 0.) O.I> 0735 1030 73 7) 8.6 8.8 99 101 2.29 2.29 0.0 0.2 0.) 1330 1630 76 71. 10.0 9.0 U8 105 2.17 2.I1O 0.0 0.) 0.) 1930 22)5 7) 71 8.3 9.9 95 115 1.86 1.96 0J> 0.3 0.) 0150 OUO 72 71 tJi a.i »5 1J2 l.W 0.0 0.3 0.) 0T5S 10)0 73 73 8.7 9J. 100 loe 1.80 1.71 0.0 0.3 0.) U30 16)0 n 9.9 8.7 Ul 1.^7 1.55 0.0 0.3 0.) 1»)0 2235 72 71 8.7 9J U) 1.96 1.67 0.0 0.3 0.) RANCE 1 ■AXIUUH ■ INtHUM n n 10.0 8.0 ut 2.1c 1.19 0.1 ox 0.3 OJ o.k 0.) AVERAGE 7) tJt Ul 1.78 BJ> 0.) 0.) T-121 TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATION: E13.li MILE 13.1. DATE TIME PST TEMP DO DO % SAT 5 Doy BOO mg/l ABS mg/l 0-PO, mq/l T-PO, mg/l 6-20-60 6-J1-60 6-22-60 6-23-60 07liO lOljO 72 72 7.8 8.2 89 93 1.6 1.6 0.0 0.3 0.3 UllO I6li0 72 71 8.1. 8.5 95 96 1.51. 1.1.7 0.0 0.3 0.5 ISliO 2250 70 67 8.2 8.3 91 89 1.8 1.8 0.0 0.3 0.1, 0810 loto 71 73 8.1 8.3 91 95 1.22 1.30 0.0 0.3 0.3 131.0 161,0 73 76 9.0 9.7 103 nl. 2.26 2.26 0.0 0.3 0.3 islio 2250 72 71 6.7 8.2 99 92 1.76 1.78 0.0 0.3 0.3 0215 0505 66 71 7.9 7.8 86 88 1.1, 1.1. 0.0 0.3 0.3 07llO lOliO 72 73 6.0 8.6 91 99 1.65 1.65 0.0 0.3 0.3 13liO 161.0 77 73 9.5 8.2 113 91, 1.61. 1.56 0.0 0.3 0.3 UltO 2255 73 72 8.1, 8.3 97 91. 1.26 1.27 0.0 0.3 0.3 0210 01.50 71 71 8.0 7.7 90 87 0.97 0.97 0.0 0.2 0.2 oeoo 101,0 73 71. 6.2 8.9 91. 103 3.50 3.1.8 0,0 0.2 0.2 131.0 161,0 7l» 73 8.7 8.1 101 93 1.21, 1.21. 0.0 0.3 0.3 191,0 2300 71 71 8.1 6.5 91 96 1.31. 1.36 0.0 0.2 0.2 RANGE ; DAXIMUU MINIMUM 77 67 9.7 7.7 111, 66 3.50 0.97 0.0 0.0 0.3 0.2 0.5 0.2 AVERAGE 72 6.1. 95 1.65 0.0 0.3 0.3 STATION. EU .1 MILE U.l DATE TIME PST TEMP "F DO mq/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21,-60 0752 1052 72 71 7.9 8.2 90 92 1352 1652 71 71 8J. 8.5 9U 96 1952 2252 71 68 6.3 6.3 93 90 0615 1052 72 72 8.1 8.3 92 91, 1352" 1652 72 71, 6.8 9-6 100 112 1952 23U 72 70 9.3 6.1 106 JO 0225 0515 69 69 7.J 7.8 87 66 0750 1052 72 71, 8.0 6.1, 91 98 U52 1652 77 73 9.3 9.1. Ul 106 1952 2310 72 71 8.1 8.0 92 90 0220 0500 70 70 6.0 7.6 89 87 0805 1052 72 73 8.1 9.1 92 105 1352 1652 73 72 8.2 8.2 91. 93 1952 0015 71 69 7.9 8.2 89 90 ""-■^^ TNir 77 68 9.6 7.8 112 86 AVERAGE 71.5 6.1. 95 STATION E9. 5 MILE 9.5 DATE TIME PST TEMP D mg/l DO %SAT 5 Doy BOO mg/l ABS mg/l O-PO4 mg/l T-P04 mg/l 6-20-60 6-21-60 6-22-60 6-23-60 0802 U02 71 70 7.7 8.1 87 90 1.32 1.27 0.0 0.3 0.3 Uo? 1702 70 70 a.u 8.1, 93 93 1.25 1.25 0.0 0.2 0.3 2002 2315 70 66 8.1, 6J, 93 91 i.a i.a 0.0 0.3 0.3 0825 1102 70 71 8.1 9. a 90 106 1.81 1.73 0.0 0.3 0.3 11.02 1702 73 72 8.6 8.9 99 101 1.80 1.68 0.1 0.2 0.3 2002 2328 70 69 8.1 6.2 90 90 1.31, l.lo 0.0 0.2 0.2 0235 0525 68 69 7.7 7.B 6a 66 1.1 1.1 0.0 0.3 0.3 0800 1102 70 73 7.9 8.2 68 91, 1.36 1.20 0.0 0,2 0.3 U02 1702 77 73 9.5 9.0 113 103 1.32 1.32 0.0 0.2 0.3 2002 2325 70 70 7.9 8.2 86 91 1.09 1.07 0.0 0.2 0.3 0235 0510 69 69 7.6 7.7 86 85 0.87 0.8a 0.0 0.3 0.3 0815 U02 70 73 7.6 8.3 87 95 1.05 1.07 0.0 0.3 0.3 11,02 1702 73 71 7.8 6.1 90 91 1.03 1.03 0.0 0.3 0,3 2002 70 7.8 87 1.06 0.98 0.1 0.3 0.3 RANGE 1 MAXIMUM MINIMUM 77 66 9.5 7.7 113 81 1.81 O.aii 0.1 0.0 0.3 0.2 0.3 0.2 AVERAGE 70.5 8.2 92 1.26 0.0 0.3 0.3 STATION: B6.5 MILE: 6.5 DATE TIME PST TEMP 'F D mg/l DO %SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 08U, 1119 70 70 6.0 8.2 69 91 11. la 1719 69 69 6.3 8. a 91 92 2019 0835 69 70 8. a 8.2 92 91 1U9 laia 69 70 6. a 8.6 92 96 1719 2019 70 68 6.6 6.1 96 66 0010 0250 69 66 8.3 7.6 91 83 0535 0610 69 70 7.9 8.0 67 69 1119 11,11. 72 71 6. a 6.3 95 93 1719 2019 73 69 8.8 7.9 HI 87 0000 0250 68 69 7.8 7.6 65 8a 0525 0825 69 7» 7.7 7.9 85 88 1119 Uiia 70 70 6.2 8.2 91 91 1719 2019 71 69 7.9 7.8 89 66 RANGF MO"!""" """^^ MINIMUM 73 68 8.8 7.6 ISl 83 AVERAGE 69.5 tu 90 T-12S TABLE T-13 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM JUNE 20-24, I960 STATIONIU.O MILE ^.0 DATE TIME PST TEMP •F DO mg/l DO %SAT jooyeoo mfl/l ABS mg/l O-PO4 ing/l T-RO4 mg/l 6-20-60 6-J1-60 6-22-60 6-23-60 0«3li 6» 8^ 88 1.0 1.0 OJS 0.2 0.2 lljl. 6» 8.2 90 1.37 1.28 O.t 0.3 0.3 17U 69 6S 8.3 8.1. 91 91 1.23 1.23 0.1 0.2 0.2 203li 69 8.3 91 1.21 0.1 0.2 OJ. oew U3I4 69 6.2 8.1 90 89 1.06 1.06 0.1 0.2 0.3 Ui3li 17J1. 73 70 8.0 8.0 92 89 I.IK) IJ.6 0.2 0.2 0.3 2031. 0020 69 6e 8.3 8.0 91 87 1.28 1.28 0.1 0.2 0.2 0300 OS145 69 69 7.6 7.8 81. 86 1.3 1.1 0.1 0.2 0.2 •620 1131. 70 72 8.2 8.9 91 101 1.26 0.0 0.2 0.2 USI. 1731. 73 71 8.3 7.9 95 89 1.38 1.38 0.1 0.2 0.2 2031. 0010 70 68 8.0 7.8, 69 85 0.96 0.95 0.1 0.2 0.2 0300 0535 69 69 7.1. 7.7 Bl 65 0.67 0.80 O.l 0.2 0.2 0«35 1131. 70 71 7.9 8.2 66 92 0.89 0.90 0.0 0.3 0.3 Ii.31. X73I. 70 71 6.0 7.6 89 85 1.01. 0.91. 0.1 0.2 0.2 203l> 70 7.5 63 1.10 1.10 0.0 0.2 0.2 RANGE MAXIMUM MINIMUM 73 68 8.9 7.1. 101 81 1J.6 0.80 0.2 0.0 0.3 0.2 OJ. 0.2 AVERAGE 70 e.o 89 1.13 0.1 0.2 0.2 STATION Utit S«cnMnto Saw ■lt« Tnataant Flutt MILE 5»,<» DATE TIME PST TEMP D mg/l DO %SAT SOoyBOO ...g/l ABS mg/l O-W, ii.g/1 T-PO, mg/l 6-20-60 6-21-60 6-22-60 6-23-60 6-21.-60 1130 76 3.1 5.9 2« 28 1730 72 2.9 12.1 1.1 bl 2315 75 2.6 9.5 )2 J5 0520 73 2.6 6.2 w 6I< lUS 77 1.9 7.6 22 26 1715 79 2.3 »J) 33 33 2325 7« 2.2 U.l 27 27 U20 77 5J. 15 22 22 1720 7« 3.8 8.: 30 31 2315 76 2.6 6.6 27 27 1120 76 5.1 i..a 21. 21. 1715 80 I1.0 6.7 33 35 2315 71. 3.6 6.8 26 2« 0515 71. 1..3 7.0 23 21. RANGE •*"'»<'•' "^"'i'- MINIMUM 60 72 5J. 1.9 15 L.8 L7 22 61. 22 AVERAGE 76 3.35 1 7.5 30 32 STATION 3*crMento Sevay Treatment PlAnt DATE 6-22-60 6-23-60 6-21* -60 TIME PST Bourly ( SU Bour Bourljr ( 2>* Hour Hourly ( 2b Bout Bourly I 2U Bour mg/l 00 % SAT 5 Doy BOO mg/l O-PO4 T-PO4 mg/l mg/1 _2tJi STATION Meaitoinfleif S-engt Treatment Flmat 6-23-60 0800 1000 1200 1300 Co^oall e 0800 1000 1200 TEMP D % SAT 5 Do, BOD mg/l ASS mg/l _iut. T-P04 mg/l MILE 18.1 L DATE TIME PST TEMP •F D mg/l DO % SAT 6 Dor BOO mg/l ABS mg/l O-PO, mg/l T-PO, mg/l 6-21-60 6-23-60 Hourly 1 0600 to C^IOS 1500 te 72 2-5 16 19 Bourly 0*00 to o^os 1500 t« kT k.2 21 23 STATION Rlo Tllt« S«va«« Treataent PlAnt HILI U.6lt DATE TIME PST TEMP 00 mg/l DO XSAT SOoiBOO mg/l ABS mg/l O-PO, mg/l T-PO. mg/l 6-21-60 6-23-60 Hourly i 0600 to to 68 k.9 18 U 1500 Hourly ( 0600 to cavoa: 1500 to 51 2.5 19 20 T-123 Table T-14 RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29 - SEPTEMBER 2, I96O EXPLANATORY COMMENTS 1. Unless otherwise noted, the stations ore on the Sacramento River. The numerical designation of the stations was an arbitrary method of identifying the stations during the sampling program. 2. Values shown in parenthesis and marked with an asterisk ( ) appeared unrealistic and were not used in computing maximum, minimum and average values . 3. Values for biochemical oxygen demand (BOD) are reported in the following manner: Example Method Time BOD a. Values shown in the example at right were obtained OI5O 1.93 from duplicate analyses of a composite of the two samples collected at the specified times 03^5 1-03 b. A single BOD value reported between two times indi- 1330 cates that the values was obtained from a composite 1-25 of samples collected at those times . I620 c. A single value shown for a specific time is the 1530 l.l+O BOD of the sample collected at that time. Values for ABS, O-POi^., and T-POl| were reported in the same manner as described for BOD results under sections b.and c. of item 3- T-12k TABLE T-14 SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 STATION Ate. 6 MILE 62.6 DATE TIME PST TEMP DO mg/l DO % SAT 5 Do» BOO m,/l ABS 0-P04 m^/l T-PO4 mg/l 8-39-^ 8-30-60 8-31-60 9-1-40 9-8-60 1023 68 ».k 91 1.19 0.66 0.0 0.2 0.2 1623 69 TO 8.3 8.5 91 9* 0.80 O.SIl 0.0 0.2 0.2 1923 2223 69 * 8.6 8.5 95 93 I.IT 1.11 0.0 0.2 0.2 0122 0lt2D TO 8.3 8.3 92 91 1.09 0.99 0.0 0.2 0.2 0TO3 1020 TO 69 8.1> 8.2 93 90 0.9I1 0.9k 0.0 0.2 0.2 1323 1623 69 TO 8.5 8.5 93 1.00 0.90 0.0 O.l 0.1 1923 2223 69 TO 8.5 8.3 93 92 0.92 0.86 0.0 0.2 0.2 OUT 0*35 69 8.3 8.l> 92 0.9k 0.90 0.0 0.2 0.2 OT23 1023 1 8.3 8.3 91 91 0.85 0.81 0.0 0.1 0.1 1323 1623 69 TO 8.k 8.5 92 91. 0.83 0.93 0.0 0.2 0.2 1923 2223 TO 69 6.5 9k 92 0.63 0.63 0.0 0.2 0.2 0123 01t23 69 69 8.8 8.2 9T 90 0.6$ 0.60 0.0 0.2 0.2 0T23 1023 ii 8.2 8.3 90 0.5k 0.6T 0.0 0.2 0.2 m\ 69 TO 8.>4 8.5 92 9* 0.53 0.59 0.0 0.2 0.2 1923 2223 TO 69 8.5 8.1. 91. 92 O.TO 0.69 0.0 0.2 0.2 0135 0W3 69 69 8.3 92 91 O.ST 0.92 0.0 0.2 0.2 1030 69 8.U 92 0.60 0.56 0.0 0.2 0.2 HANGE 1 MAXIMUM MINIMUM TO 68 8.8 8.2 9T 90 1.19 0.53 0.0 0.0 0.2 0.1 0.2 0.1 AVERAGE 69 8.U 92 0.82 0.0 0.2 0.2 STATION %*umaa Halo Dnlc MILE 61. S, DATE TIME PST TEMP •F 00 mg/l 00 f, SAT 5 Dor BOO m,/l ABS mg/t 0-PO, mg/l T.PO, mg/l 8-)0.6o 8-31-60 9-1-60 9-2-60 1615 T2 7.9 90 3.6I 0.1 0.2 0.2 2215 TO 7.3 81 2.1 0.0 0.3 CS 0505 69 6.k TO 2.3 0.0 0.2 0.2 1010 - 7.6 -- S.33 2.39 O.l 0.2 0.2 1615 71 8.3 93 3*3 0.0 0.2 0.2 2215 TO 7.0 78 0.9 0.0 0.3 0.3 0k20 TO 6.1 66 109 0.0 0.3 0.3 TO 6.6 73 ... — ... 1615 71 8.3 93 2.18 0.0 0.2 0.3 2215 TO 7.2 80 1.61 1-55 0.0 0.3 0.3 Okl5 TO 6.8 76 1.81 o.l 0.2 0.3 „^.^^ MAXIMUM "«E „,„,„„„ 72 69 8.3 6.1 93 68 3.61 0.9 0.1 0.0 0.3 0.2 0.3 0.2 AVERAGE TO. 5 T.2 80 2.U 0.0 0.2 0.3 1 STATION HntoBiAA EajiL Mala Dr&lr. (Back Borrov Pit) MILE 6O.6L DATE TIME PST TEMP •F D m,/l f. SAT 5 Ooy 600 mg/l ABS mg/l 0-PO. mg/l T-PO4 mg/l 8.29-60 8-30Jio 8.31-60 9-1-60 9-2-60 loko 72 3.3 38 5.5 1.0 5-3 5.9 1655 T5 k.T 55 5.7 0.3 k2)* ( »3)* 2235 72 3.3 38 6.2k O.k 5.5 6.1 lOkO 72 k.2 kS 5.98 1.1 7.0 T.l 1M5 7k 7.1 83 6.53 0.5 5.9 5.9 22k5 72 3.6 kl k.o 0.9 7.2 T.3 okko 68 1.9 21 3.T2 0.3 6.9 7.2 lOkO 71 k.l k6 k.99 k.89 1.2 8.6 9.1 l6ko 73 6.1 TO 5.39 1.0 7.1 7.5 22k0 TO 3-1 3k k.65 0.9 18)* 18)' Okko 66 1.6 17 k.26 0.9 6.5 8.5 loko 72 3.8 k3 3.75 l.O 7.0 8.5 I6k5 73 5.3 61 k.3k 1.0 7.3 7.9 22k5 TO 2.7 30 3.k2 1.1 k.9 8.k okko 66 2.0 21 5.80 0.2 5.8 7.9 loko 72 3.6 kl 3.68 0.9 6.0 8.k RANGE 1 MAXIMUM MINIMUM 75 66 7.1 1.6 83 17 6.53 3.k2 1.2 0.2 k.9 9.1 5.9 AVERAGE 71 3.8 k3 k.87 0.8 6.6 7.6 STATION a60 •5 MILE 60.! DATE TIME PST TEMP •F mg/l % SAT 5 Ooy 600 mg/l ABS mg/l 0-PO4 [ T-PO4 mg/l mg/l S.29-60 8-30-60 8-31-60 9-1-60 9.2.60 1007 130T 68 69 8.3 8.k 90 92 1607 1S07 TO TO 8.5 8.6 9k 96 2207 0105 TO 69 8.k 8.k 93 92 0355 0656 69 TO 8.k 8.3 92 92 1005 1307 69 69 8.3 8.5 91 93 1607 1907 TO TO 8.6 8.7 96 97 2207 0102 69 69 8.k 8.k 92 92 0k07 0TO7 1 8.3 8.3 91 91 1000 1307 69 69 8.k 8.k 92 92 1607 1907 TO 69 8.3 8.5 92 93 2207 0107 69 69 8.k 8.3 92 91 0k02 0TO7 68.5 68.5 8.3 8.2 91 90 0958 1307 'II' •8.2 8.k 89 2.30 2.31 0.2 0.2 0.2 0ltl5 63 8.U 87 l.ll. 0.95 0.1 0.2 0.3 1015 68 8.5 92 — - — — — 1615 70.5 8.6 97 1.83 1.T7 0.1 0.2 0.3 2215 65 8.7 92 1.89 1.87 0.1 0.1 0.2 OltlS 63 8.7 89 6.59 6.52 0.1 0.2 0.2 1015 69 8.7 96 0.55 0.93 0.1 0.2 0.2 RANGE I AXIMUM MINIMUM 72 63 9.1 8. It 103 87 6.70 0.55 0.2 0.0 0.2 0.0 0.5 0.1 AVERAGE 66.5 8.7 9I' 2.3S 0.1 0.2 0.2 STATION A58 .2 MILE 58.2 DATE TIME PST TEMP "F DO mg/l DO %SAT 5 Doy BOD mg/l ABS mg/l 0-P04 mg/t T-PO, mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 09W. 69 8.1. 92 1.17 l.H 0.0 0.1 0.1 12m I5U. 1 8.7 8.5 96 93 1.19 1.25 0.0 0.2 0.2 I8U. 211.1. 70 69 8.6 8.6 96 95 0.87 0.82 0.0 0.2 0.2 OOW." 03to 68 8.5 8.U 93 91 0.92 0.93 0.0 0.2 o.a o61«) 09to 69 68 8.1. 8.3 92 90 1.00 0.95 0.0 0.1 0.1 121* 151a. 69 69 8.5 3.6 93 95 QjQ 0.0 0.1 0.1 18W. 21IJ. 70 69 8.6 8.6 96 95 0.91 0.91 0.0 0.2 0.2 031* 69 69 8.1. 95 1.01 0.97 0.0 0.2 0.2 06U 09l.l1 69 69 8.1. 8.5 92 93 0.96 0.98 0.0 0.2 0.2 12U. 151.1. 69 69 8.1. 8.3 92 91 0.97 1.06 0.0 0.2 0.2 181* 21U. 69 69 8.5 8.1. 93 92 0.7I. 0.75 0.0 0.1 0.1 OOUl. 03IA 69 69 S-3 8.3 91 91 0.60 0.59 0.0 0.2 0.2 06I* 09U 68 68 8.2 6.4 89 91 0.77 0.87 0.0 0.2 0.2 121* 151* 69 70 8.1. 8.5 92 91. 0.67 0.68 0.0 0.2 0.2 18W. 211* 70 69 8.5 8.5 91. 93 1.00 0.90 0.0 0.2 0.2 0115 03I.8 69 69 8.5 8.5 93 93 0.83 0.79 0.0 0.2 0.2 Kill 68 8.1. 91 0.61. 0.55 0.0 0.2 0.2 RANGE V1AXIMUM ^IINIMUM 70 68 8.7 8.2 96 89 1.25 0.55 0.0 0.0 0.2 0.1 0.2 0.1 AVERAGE 69 8.5 93 0.89 0.0 0.2 0.2 ** Sainple was not used In a composite for duplicate anajy&es . STATION: West Sacramento Sewage Treatment Plant MILE 5e.0R DATE TIME PST TEMP •F DO mg/l DO % SAT 5 Doy BOO mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l 8-29-60 8-30-60 8-31.60 9-1-60 9-2-60 U20 79 lOl. 8.8 29 33 1720 80 153 13 5.8 12 2320 77 136 12 36 37 1120 78 90.5 8.0 21. 28 1720 80 120 12 1.1 1.3 2325 78 97 11. 30 31. 0520 71. 117 8.2 28 31. iiao 78 107 6.6 26 29 1720 79 9.2 UO 1* 2320 76 90 8.0 31 36 0520 71. 121. 8.0 31 31. 1120 78 98 6.7 21. 28 1710 77 11.1 9.7 39 1.2 2320 77 133 10 32 38 0520 72 107 8.8 32 36 L120 78 116 5.6 27 31 RANGE 1 MAXIMUM MINIMUM 80 72 153 90 lU 5.6 1.1 5.8 1* 12 AVERAGE 77 115.5 9.3 30 3* STATION A56 .7 MILE 56.7 DATE TIME PST I'EMP "F DO mg/l %SAT 5 Doy 800 mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0930 1230 69 69 8.1. 8.1. 92 92 1530 1830 69 70 8.1. 8.6 It 2130 0030 69 68 8.5 8.5 93 92 0328 0632 68 70 8A 93 0927 1230 69 69 8.4 8.4 92 92 1530 1830 69 69 6.5 8.6 93 95 2130 0030 69 69 8.4 8.4 92 92 0330 0630 69 68 8.3 8.3 91 90 0930 1230 69 69 8.5 8.4 93 92 1530 1830 69 69 8.3 8.5 91 93 2130 0030 69 69 8.4 8.3 92 91 0330 0630 69 68 8.3 8.2 91 89 0930 1230 68.5 69 8.3 8.3 91 91 1530 1630 70 70 8.4 8.5 93 94 2130 0109 69 69 8.2 8.5 90 93 0335 0818 69 68 8.5 8.3 93 90 o,„^r MAXIMUM 70 BO 8.2 89 AVERAGE 69 8.4 92 T-126 TABLE T- 14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 STATION A55.5 MIL 55.5 DATE TIME PST TEMP •F 00 ni,/l 00 %SAT SDoyBOO mg/l ABS mg/l 0-(>0« ir,,/l T-PO, mg/l 8-29-60 8-30.60 8-31-60 9-1-60 9-2-60 0918 1218 % 8.li 8.1i 92 92 1518 I8l8 TO 69 8.l> 8.8 93 97 0018 69 69 6.5 8.1. 93 92 0315 0625 69 TO 8.5 8.14 93 93 091T 1218 69 69 8.k 8.U 92 92 1518 I8l8 69 69 8.1. 8.5 92 93 2118 0018 69 69 8.5 8.1. 93 92 0318 06ie 69 69 8.1. 9.3 92 91 0918 1218 68.5 69 8.1. 8.1. 92 92 1518 iei8 % 8.1. 8.5 92 93 2118 0018 69 69.5 8.3 8.9 91 99 0318 0618 69 69 8.3 8.2 91 90 0918 191 ft 68.5 69 8.9 8.3 98 91 1518 1818 TO TO 8.1. 8.5 93 91. iniA 0X06 69 69 8.3 8.1. 91 92 ^ 69 68 8.1. 8.U 92 91 NAN(>t MINIMUM TO 68 3.9 8.2 99 90 AVE DACE 69 8.U 93 STATION A5k MILE 51..2 OATE TIME PST TEMP •F DO mg/l 00 XSAT SOoyBOO mg/i ABS mg/i 0H>0, mg/l T-PO, mg/l 8-29-60 8-30-60 8.31.60 9-1-60 9-2-60 0903 69 8.1. 92 2.01 2.80 0.0 0.2 0.2 1203 1503 % 8.3 8.3 91 91 1.10 1.07 0.0 0.2 0.2 1803 2103 69 69 9.0 8.5 99 93 J:SJ 0.0 0.2 0.2 0003 0309 69 69 8.3 8.1. 91 92 1.03 1.03 0.0 0.2 0.2 0617 0908 TO 69 6.5 6.t 91. 92 0.89 0.89 0.0 0.2 0.2 1S03 1503 69 69 8.1. 8.1. 92 92 0.96 0.96 0.0 0.2 0.2 1803 2103 69 69 8.1. 8.5 92 93 0.98 0.93 0.0 0.2 0.2 0003 0306 69 69 8.k 8.3 92 91 1.01 1.01 0.0 0.2 0.2 0601. 0903 69 68.5 8.3 S.b 91 92 0.88 0.98 0.1 0.2 0.2 1203 1503 69 69 8.1. 8.1. 92 92 1.06 0.98 0.0 0.2 0.2 1803 2103 69 69 8.3 8.3 91 91 0.69 0.6T 0.0 0.2 0.2 0003 0303 69 69 8.3 8.2 91 90 o.n 0.73 0.0 0.2 0.2 0603 090T 69 68.5 8.2 8.3 90 91 0.66 0.66 0.0 0.2 0.2 1203 1503 69 TO 8.3 8.3 91 92 0.72 0.68 0.0 0.2 0.2 1803 2103 TO 69 8.5 8.3 9". 91 0.65 0.0 0.2 0.2 0100 0315 69 69 8.3 8.1. 91 92 0.85 0.87 0.1 0.2 0.2 071.2 68 8.1. 91 0.55 0.55 0.0 0.2 0.2 RANGE VIAKIMUM .tINIMUM TO 68 9.0 8.2 99 90 2.80 0.55 0.1 0.0 0.2 0.2 0.2 0.2 AVERAGE 69 S.k 92 0.96 0.0 0.2 0.2 STATION 38x:r«aen'.o S«vage Treatnent PlAnt MILE 5k. 11 DATE TIME PST TEMP •F mg/l DO % SAT 5 Doy BOO mg/l ABS mg/l O-PO4 mg/l T.PO4 mg/l 3-29-60 8-30-60 8- 31-60 9-1-60 9-2-60 0930 1530 79 81 2130 80 21. Hour Cowoi Ite 136 1.7 16 IS 0330 0930 78 79 1535 aso 31 81 21. aour Co^oi Ite 178 3.1 12 Ik 0330 09 30 78 79 1530 2130 80 80 2<. Hour IM 205 3.8 u 16 03J0 0930 78 79 1530 2130 80.5 79-5 2k Bmir lt« 195 3.2 u 20 0330 7S 0930 78 195 3.2 Ik 20 RANGE MAXIMUM yllNIMUM 205 136 k.7 31 16 u X Ik AVERAGE 1 178.5 3-7 Ik 17 STATION A53 2 MILE 53.2 OATE TIME PST TEMP •F 00 mg/l DO %SAT S Doy BOD mg/i ABS mg/l O-PO, mg/l T-PO, mg/l 8-29-60 8-30-60 3-31-60 9-1-60 9-2-60 0855 1153 69 70 8.3 S.k 91 93 lk53 1753 TO TO 8.3 8.9 92 99 2053 2353 68 68 S.k 8.3 91 90 0258 0608 69 70 8.3 8.3 91 92 0900 U53 69 70 8.3 S.3 91 92 lk53 1753 % 8.3 S.k 91 92 2053 2353 69 69 S.k 8.2 92 90 0258 055k % 8.2 8.3 90 91 0853 U53 69 69 8.3 8.3 91 91 lk53 1753 69 69 8.3 8.3 91 91 2053 235k TO 69 8.2 8.2 91 90 0253 0553 69 69 8.1 8.2 89 90 0857 1153 69 69 \-i 91 92 lk53 1753 TO TO 8.2 s.k 91 93 2053 0053 % 8.3 8.3 91 91 0305 O730 % 8.3 S.k 91 RANGE MINIMUM TO 68 8.9 S.l 99 AVERAGE 69 8.3 91 T-127 TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 STATION »52 .3 MILE 52.3 DATE TIME PST TEMP DO mg/l 00 % SAT 5 Doy BOD mg/l ABS mq/l C-PO4 ma/I T-PO, mg/l 8-29-60 8-30-60 8-31-60 9.1-60 9-2-60 081.6 llW 1 6.5 93 lWt3 17113 70 69 8.1. 8.9 11 201*3 23*0 67 68 ?-3 8.2 % 02U5 0600 68 70 8.2 8.3 89 92 0853 Ult3 69 69 8.3 8.3 91 91 1M.3 17l<3 69 69 8.3 6.3 91 91 20U3 23''3 68 69 8.3 8.3 90 91 0250 05I43 69 69 8.2 3.3 90 91 08»13 UI.3 69 69 8.3 8.1. 91 92 11*3 17l'3 69 69 8.1. 8.3 92 91 20U3 2350 70 69 8.2 8.2 91 90 021.3 051.3 69 69 8.1 8.1 69 69 0850 UU3 68.5 69 (7.2)* 8.3 (79)* 91 110.3 I7I13 70 70 8.2 8.2 91 91 201.3 0050 69 69 8.3 8.2 91 90 0259 061.6 69 68 8.3 8.3 91 90 RANGE "OXIMUM KANtot MINIMUM 70 67 8.9 8.1 96 89 AVERAGE 69 8.3 91 STATION: B50.8 MILE 50.8 DATE TIME PST TEMP DO mg/l DO •C. SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 1055 1338 69.5 8.5 8.9 91. 99 1:7 0.0 0.3 0.3 1700 2go3 69.5 68.5 ;u.5)* 8.8 (128)* 97 l.:q8 0.1 0.3 0.1. 2238 0135 68 68 8.3 8.2 S 3.80 0.1 0.1. 0.1. 0730 68 68.5 3.1. 8.1. 91 92 2.83 2.73 0.0 0.3 0.3 1D50 131.7 69 69-5 3.6 8.5 95 91. 2.62 2.56 0.0 0.3 0.3 161.6 2010 69.5 68 8.5 8.1. 91. 91 3.51 3.1.8 0.0 0.3 o.k 2253 011.5 67.5 68 8.1. 8.3 91 90 3-52 0.1 0.3 0.3 OU50 0758 68.5 69 8.3 8.1. 91 92 2:25 0.1 O.lt o.k 101.7 1356 69.5 70 8.7 93 97 1.92 1.90 0.0 0.2 0.2 1650 1952 69.5 68 8.5 8.1* 91. 91 3-13 3.19 0.1 0.3 0.1. 22I.9 0200 68 68 8.1. 8.3 91 90 2.98 2.91 0.0 0.1. 0.1. 01.55 0800 69 69 8.3 8.3 91 91 i».n 1..T7 0.1 0.5 0.5 1100 1358 69 69.5 8.5 8.6 93 96 1.83 1.98 0.0 0.3 0.3 1655 2003 69 68 8.5 8.1. 93 91 3.1.7 3.1.8 0.1 O.lt O.ll 2256 0155 68 68.5 8.2 8.5 89 93 2.68 2.73 0.0 o.k 0.1. 01.55 0802 68 68 ^3 8.5 90 92 2.85 2.85 0.1 O.k 0.1. RANGE [ AXIMUM INIMUM 70 6r.5 8.9 6.2 99 89 1..T7 1.7 0.1 0.0 0.5 0.2 0.5 0.2 AVERAGE 68.5 8.1. 92 3.03 0.1 0.3 0.1. STATION Bl.9.8 MILE 1.9.8 DATE TIME PST TEMP "F DC mg/l D % SAT 5 Doy BOO mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l 8-29-60 8-30-60 6-31-60 9-1-60 9-2-60 lOlK) 1330 69.5 70 8.5 8.1. 9lt 93 1650 1955 69.5 68.5 8.5 8.3 9lt 91 2232 0125 68 68 8.2 8.2 69 89 01.30 0720 68 68.5 8.2 8.3 89 91 1035 131.5 69 70 8.5 8.5 93 91. 1635 2001 69.5 69 8.5 8.1. 91. 92 221.5 0135 67.5 68 8.1. 8.1 91 88 0I.I.2 07l.lt 68 69 8.1 6.3 88 91 1035 131.9 69 70 6.1. 8.6 92 96 161.1 191.3 69.5 68 8.5 8.1. 91. 91 2238 0150 68 68 8.2 8.2 89 89 oltl.3 0750 69 69 8.2 8.3 90 91 101.7 13lt9 69 70 8.5 8.5 93 9U 16U2 1958 70 68.5 8.5 8.3 91. 91 221tl. OlW 68 68.5 8.2 8.U 89 92 01J.8 0732 68 68.5 8.5 8.1. 92 92 RANGE ""'""J" '"'"°'' MINIMUM 70 67.5 8.6 8.1 96 88 AVERAGE 69 8.1. 92 STATION: BW.l. MILE 1.8.1. DATE TIME PST TEMP "F D mg/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 1026 1319 69 70 8.5 8.7 93 97 1636 191.5 69.5 69 3.3 8.3 92 91 2221 0110 68 68 8.3 8.1 90 88 01.15 0705 68 68.5 8.1 8.1. 88 92 1025 1333 68.5 70 8.5 8.5 93 91. 1621. 191.8 69.5 69 8.6 8.1. 96 92 2231. 0123 68.5 68.5 8.1. 8.1 92 69 01.30 0733 68 69 7.6 8.2 83 90 1025 1339 69-5 70 8.1. 8.5 93 91. 1629 1932 70 69 8.1. 8.5 93 93 2221. 0131. 68.5 68 8.2 8.1 90 68 01.32 0731. 69 69 8.1 8.1 89 89 1035 1333 69 70 8.3 8.3 91 92 1632 1951 70 68 8.5 6.3 91. 90 2231. 0131. 68 68.5 8.2 6.2 69 90 01.33 0733 68 67.5 6.3 6.2 90 89 RANGE "'"<"'"" ""'"''^ MINIMUM 70 67.5 8.7 7.6 97 83 AVERAGE 69 8.3 91 T-128 TABLE T-l4(Continu«d) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 STATION Hitflnii- 111 Hwac* TrMtaent PUst MILE k^.■p. DATE TIME PST TEMP •F mg/l 00 %SAT 5 Ooy BOO mg/l Aes mg/l 0-PO, mg/l T-P0« mg/l S-29-&) 9-31-60 9-1-60 9-2-60 0905 T3 1505 86 8105 72 0305 69 0905 7". 1505 81 88 21. 2105 71 0305 7k 0905 7k 1505 79-5 2US T* 0305 79 0905 7l> (C 1937 70 69 8.7 8.3 97 91 221k 0058 68 68 8.2 8.1 u 0k05 0657 68 68.5 7.9 8.1 86 89 ICIO 1318 69-5 TO 8.0 8.5 89 9k 1618 1935 70 69.5 8.5 8.k 9k 93 2219 0112 69 68.5 8.2 8.0 S 0kl8 0720 68 69 7.8 8.0 85 88 1006 1323 69 70 8.2 8.k 90 93 1619 1919 70 69 8.5 8.5 9k 93 0123 69 68 8.1 8.0 V, OkSl 0725 69 69 7.8 8.1 m 89 1015 1323 1.5 8.3 8.3 91 92 I62k 1936 70 68 8.5 8.3 9k 90 2223 0123 68 68.5 8.2 8.1 89 89 0k22 0722 68 68 8.0 8.1 87 88 RANGE """I""" KANtjt MINIMUM 70 68 8.7 7.8 97 85 AVERAGE 69 8.2 90 STATION Bk6.2 MIL k6.2 DATE TIME PST TEMP •F DO mg/l DO X SAT 5 Do, 600 mg/l ABS mg/l 0-P04 mg/l T-PO4 m,/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 09k9 1252 69 TO 8.2 8.3 90 92 1.5 0.1 0.3 0.3 1610 1922 TO 69 8.6 8.3 96 91 2.15 2.10 0.1 0.3 0.3 2202 00k5 § 8.1 8.0 ^ 2.60 2.55 0.0 0.3 0.3 0353 06k5 6S 68 8.0 7.9 87 86 k.08 3.Tk 0.1 O.k O.k 1000 1308 69 70.5 8.1 8.3 89 93 2-33 2.31 0.0 0.3 0.3 1612 1917 TO 69-5 8.5 8.3 9k 92 2.25 2.30 0.0 0.2 0.3 220k 0101 69 68.5 8.0 7.8 88 86 2.k5 2.k2 0.1 0.3 0.3 Ok06 0TO8 68 68 7.6 7.8 II 3.2 0.1 O.k O.k 0956 13U 69 n 8.2 8.k 90 9k It 0.0 0.3 0.3 1609 1S07 70.5 69 1:1 93 93 1.72 1.69 0.1 0.3 0.3 2206 0112 69 69 8.1 7.8 g 2.26 2.11 0.1 o.k O.k 0kl2 0715 § 7.8 7.8 86 86 2.23 2.a 0.1 O.k O.k 1002 1313 69 TO 5:1 87 91 2.20 2.13 0.0 o.k o.k 1615 1919 S 1:J 92 SO 2.02 1.98 0.1 0.2 0.3 2211 0U3 68.5 69 8.1 8.0 % 2.k8 2.k6 0.0 0.3 0.3 0k07 0713 68 68 U 86 87 2.15 2.12 0.0 O.k o.k RANGE \ AXIMUM tINIMUM 71 68 8.6 7.6 96 83 k.08 1.5 0.1 0.0 O.k 0.2 O.k 0.3 AVERAGE 69 8.1 89 2.27 0.1 0.3 0.3 STATION Bk5 .1 MILE k5.1 DATE TIME PST TEMP •F D mg/l 00 % SAT i Do, BOD mg/l ABS mg/l 0-P0< mg/l T-PO, mg/l 8.29.60 8.30..6O 8.31.60 9.1.60 9.2.60 09k3 12k2 69 TO 8.1 e.2 89 91 1602 1917 TO 69-5 S.k 8.3 93 92 2153 0035 69 69 8.3 8.0 '8^ 03k5 0639 68 68 8.1 7.6 88 83 0950 125k 68.5 70 7.9 8.2 87 91 1607 1907 TO 70 8.2 8.2 91 91 2156 0055 69 68.5 8.1 7.8 i 0355 0700 68.5 67.5 7.7 7.5 SI 0938 12k9 68.5 70.5 7.8 8.0 66 90 1600 1858 70.5 69.5 8.2 8.3 92 92 2152 0100 69 69 8.1 7.8 S OkOk 0103 69 69 7.6 7.6 8k 8k 0955 1302 69 TO 7.7 8.2 85 91 UOI 1903 70 69-5 8.2 8.1 91 90 a56 0055 69 69 8.0 7.9 88 »7 0359 065k 68 68 7.6 7.6 l\ RANGE "•"IXU" "*"""■ MINIMUM 70.5 67.5 8.k 7.5 y AVERAGE 69 8.0 88 T-129 TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 station: ah% .14 MILE 1.1.1. DATE TIME PST TEMP DO mg/l DO %SAT 5 Day BOD mg/l ABS mg/l 0-PO, m,/l T-PO4 mq/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0935 1233 68.5 70 7.9 8.0 87 89 l.U 0.1 0.1. 0.1. 1551 1908 70 70 8.2 8.0 91 89 1.63 1.60 0.1 0.3 0.3 211l5 0025 69 69 8.2 8.1 g 1.69 1.79 0.0 0.3 0.3 0335 0630 68.5 68 7.7 7.7 'i 2.16 2.15 0.1 0.3 0.3 0935 12l«3 69 70 7-3 7.8 80 87 2.92 2.92 0.1 O.U O.k 1556 18lt5 70.5 70 7.8 8.1 88 90 2.01 2.01 0.0 0.3 0.3 2145 0OU5 69 69 8.1 7.9 89 87 1.89 1.89 0.1 0.2 0.3 03113 0650 68.5 68 7.5 7.3 82 79 1:9 0.1 0.1. 0.1. 0930 1237 68.5 69.5 7.I1 7.7 81 86 2.38 2.35 0.0 0.1. 0.1. 1536 1810 70 70 7.8 8.2 87 91 1.62 1.59 0.1 0.3 0.3 2138 oolA 69 7.8 7.8 86 86 1.39 1.1.7 0.0 0.3 0.3 0351 06IA 69 69 7.7 7.2 85 79 1.81 I.7I. 0.1 0.1. 0.1. 09101 12U5 69 70 7-5 7.5 82 83 2.21 2.21. 0.1 0.1. 0.5 I5W. 181tl» 70 70 7.5 7.9 83 88 2.07 2.00 0.1 0.3 0.1. 21U3 00I13 1 7.9 7.7 87 85 1.1« l.Ul. 0.0 0.2 0.3 03W 061.1 68.5 68 7-5 7.1 82 77 1.76 1.71 0.0 0.3 o.k RANGE MAXIMUM ■IINIMUM 70.5 68 8.2 7.1 91 77 2.92 1.39 0.1 0.0 0.1. 0.2 0.5 0.3 AVERAGE 69 7.7 85 1.90 0.1 0.3 0.1. STATION American Crystal Sugar Comi any Discharge MILE kJ.S* DATE TIME PST TEMP DO mq/l D % SAT 6 Doy BOD mg/l ABS mq/l O-PO4 mg/l T-PO4 mg/l 8-29-60 8-30.60 8-31-60 9-1-60 9-2-60 llUX) 97 (1010)* 0.2 6.8 8.3 2000 96 555 0.6 5-5 8.1 0225 91. 1.71 0.2 0.1 0.2 0800 91. 1.83 0.2 2.0 U.2 llrtO 91. 1.89 0.2 2.7 7.7 191.5 96 IM 0.2 0.1. 0.1. 0205 91. 530 0.3 1.2 I..9 0810 91. 528 0.2 8.3 9.0 1350 95 1.90 0.1 2.3 3.1. 1930 91 1.58 0.1 2.8 3.2 0205 92 1.28 0.2 1.8 3.8 0800 92 WO. 0.1 1.2 l.U 11«0 93 1.31. 0.3 1.6 1.8 2000 92 1.77 0.2 2.3 2.7 0150 90 IKA 0.1 3.3 7.9 0800 88 1.77 0.2 7.2 8.3 RANGE MAXIMUM MINIMUM 97 88 555 0.6 0.1 8.3 0.1 9.0 0.2 AVERAGE 93.5 1.71. 0.2 3-1 1..7 STATION: Bl.2 .1 MILE : 42.1 DATE TIME PST TEMP O-O mg/l DO %SAT 5 Doy BOD mg/l ABS mq/l O-PO4 mq/l T-PO4 mq/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0930 1226 68.5 69.5 7.9 7.5 87 83 151.5 1903 70 70 8.0 8.1 89 90 2137 0020 69 69 7-9 8.0 87 88 0325 0621 68.5 68 7.8 7.1. 86 80 0927 1228 68.5 70 7.3 7.0 80 78 1537 I836 70.5 70 7.5 8.0 81. 89 2138 OOlK) 69.5 69 7.8 7.5 87 82 0330 0625 69 68 7.6 7.2 81. 78 0925 1230 68.5 70 7-3 7.1 80 79 1528 1828 70 70 7.3 7.8 81 87 21i9 0035 69.5 69 7.8 7.6 87 81. 031.5 0632 1 7.7 7.1 85 78 0933 1233 1.5 7.3 7.2 80 80 1835 70. 5 70 7.1 7.6 80 81. 2131. 0033 69 69 7.8 7.5 86 82 031* 0633 69 68 7.T 7.3 85 80 .,..,..^ MAXIMUM """^^ MINIMUM 70.5 68 8.1 7.0 90 78 AVERAGE 69 7.6 83 STATION: Bkl .1 MILE: kX.l DATE TIME PST TEMP •F DO mg/l DO % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0920 1218 68.5 69.5 8.0 7.9 88 88 1536 IB56 69.5 69.5 7.7 7.9 86 88 2126 0005 68 69 7.8 86 86 0315 0612 68.5 68 7.6 7.3 81. 79 0915 1215 68.5 69 \x 80 81 1530 1820 70 70 n 77 81. 2128 0030 69 69 7.5 7.1. 82 81 0325 0620 69 68.5 7.1 7.3 78 80 0917 1210 69 69.5 7.0 7.2 s 1515 1817 70 69-5 n 72 82 212« 0020 %■' 7.1. 7.1. 82 81 0335 0621 69 69 1:1 82 81. 0917 1221. % 7.2 7.1. 79 31 1525 1822 70 70 7.5 6.6 83 73 0020 69 69 7.3 7.1. 80 81 0331 0620 % 7.5 7.1. 82 80 MAXIMUM "N^E MINIMUM 70 68 8.0 6.5 88 7» AVERAGE 69 7.1. 81 T-130 TABLE T-l4(Conlinu*d) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMeER 2, I960 STATION B19 .8 MIL ».8 DATE TIME PST TEMP 00 mg/l 00 %SAr 5 Ooy BOO mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l 8.29-60 8-30-60 &- 31-60 9-1-60 9-S-60 0909 1208 68.5 69.5 7.7 7.8 1? 1.25 0.0 0.2 0.3 1850 69.5 70 7.5 7.8 ?? 1.98 1.95 0.1 0.3 0.3 an 2355 68.5 69 7.6 7.7 8k 85 1.77 1.67 0.0 0.3 0.3 0300 0605 68.5 68 7.5 7.3 82 79 1.91. 2.01 0.1 0.3 0.3 0905 1158 68.5 69-5 7.1 7.3 78 81 2.33 2.30 0.0 0.3 0.3 1521. 1809 70 70 7.2 7.2 80 80 2.62 2.63 0.1 O.k O.k 2120 0020 68 69 7.1' 7.1 80 78 2.16 I.9I' 0.1 0.3 0.3 0315 0609 69 69 7.l> 7.1. 81 81 1.6 0.1 0.3 0.3 0908 1202 69 70 6.9 6.9 76 77 2.00 1.99 0.0 0.3 0.3 1507 lan 69.5 69.5 7.1 6.8 79 76 2.U> 2.33 0.1 O.ll 0.1. 2109 69 7.3 80 1.67 1.73 0.0 o.i> 0.1. 0009 69 7.1 78 1.65 l.kS 0.0 O.b 0.1. 0325 0612 69 69 7.5 7.3 82 80 1.1.5 l.k3 0.0 0.3 0.3 0905 LJ09 69 69 7.0 7.k n ai 1.97 1.9U 0.0 0.3 O.b 1517 1808 69.5 69.5 7.5 7.0 63 78 2.37 2.37 0.1 0.2 0.1. 2113 0008 69 69 7.0 7.2 77 79 1.5* 1.1.9 0.0 0.3 0.3 0320 0609 69 68.5 7.1 7.0 78 77 1.50 1.55 0.0 0.3 0.3 BANGE J MAXIMUM [NIMUM 70 66 7.8 6.8 87 76 2.63 1.25 0.1 0.0 0.1. 0.2 O.ll 0.3 AVERAGE 69 7.3 80 1.92 0.0 0.3 0.3 STATION C38.6 MILE 38.6 DATE TIME PST TEMP D mg/l 00 *SAT SOoiBOO mg/l ABS mg/l O-PO4 m«/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0929 1238 68 69 7.5 7.6 82 8k 1531 1835 69 69.5 7.6 7.5 8k 2153 00I.6 s T.k 7.» SI 80 031.3 0609 67 68 7.6 7.5 «2 82 09 3» uto 67 70 7.2 7.1 n 79 iyi %:l n ■n 71 ^ % 6.6 6.6 73 72 0355 0552 67 69 7.1 7.0 76 T7 091.9 125* 69 70 7.0 7.0 n 78 1526 1831 69.5 69 6.9 6.0 77 66 2137 OOJO 68 68 6.8 6.5 7k 71 O3J0 0557 67 69 ?:! 7k 79 0923 1250 68 70 6.9 75 77 1532 1835 70 70 7.0 ?.o 78 78 2136 0030 68 68 6.6 6.6 72 72 031.5 0626 68 67 6.0 7.3 65 78 RANGE \ MAXIMUM MINIMUM 70 67 T.6 6.0 8k 65 AVERAGE 68.5 7.0 n STATION C37.2 MILE 37.2 DATE TIME PST TEMP •F 00 mg/l ■». SAT S Doy BOO mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8-29-60 S- 30-60 8-31-60 9-1-60 9-2-60 0915 1222 68 69-5 7.5 7.5 82 83 i;i5 0.0 0.3 0.3 1518 1823 % 7.7 7.3 I 1.65 1.6k 0.1 0.3 0.3 21113 0028 % 7.2 7.2 79 n i.n 1.77 0.0 0.3 0.3 0333 0559 67 67 7.3 7.3 78 76 2.2k 2.18 0.0 0.2 0.2 0920 1226 69 70 7.k 7.k 81 82 2.52 2.57 0.1 0.3 O.k 1522 I8lk 69.5 69 7.0 6.6 78 73 2.33 2.36 0.1 0.3 0.3 2122 003k % 6.2 6.1 68 66 2.89 2.8k 0.1 O.k O.k 03kO 05k7 66 68 6.9 7.2 ?i 2:6 0.1 0.3 0.3 0938 12k7 69 70.5 7.1 7.2 78 1.91 1.70 0.0 0.3 0.3 1513 1821 69.5 69 7.0 6.9 78 76 1.85 1.86 0.1 0.3 0.3 212k 0022 68 67 5.9 6.0 6k 65 2.88 2.78 0.1 o.k 0.5 0321 0550 68 68 6.2 7.0 67 76 i.»r 1.82 0.0 0.3 0.3 0915 1238 68 69 7.1 7.1 77 78 1-73 1.81 0.0 0.3 0.3 1522 1823 TO 70 7.1 7.0 ?l l.»T 1.8k O.l 0.3 0.3 2122 0023 68 68 6.5 6.1 Tl 66 1.59 3.58 0.1 o.k O.k 0335 0605 67 67 6.5 6.9 TO 7k 1.3T 2.k7 0.0 0.3 O.k RANGE \ AXIMUM INIMUM 70.5 66 7.7 5.9 85 6k 3.58 1.15 o.l 0.0 O.k 0.2 0.5 0.2 AVERAGE 68.5 6.9 76 2.U 0.1 0.3 0.3 STATION 035 .9 MILE 35-9 DATE TIME PST TEMP •F DO mg/l 00 XSAT 5 Ooj BOO mg/l ABS mg/l 0-P04 mg/l T-P04 mg/l 8-29-60 6-30-60 8-31-60 9-1.60 9-2-60 0907 1213 68 69.5 7.k 7.6 80 8k 15U iSlfi 69 69 7.6 7.7 8k 85 2132 001k % 7.5 7.2 82 n 032k 0552 67 68 w 78 88 S3 69 TO 7.6 7.5 8k 83 s? TO 69 7.2 7.0 80 TT 2111 0023 % 6.8 6.8 H 0320 05kl 67 68 6.3 7.0 68 t6 0932 1239 69 70.5 7.1 7.3 T« 82 1505 1812 TO 69 7.1 6.9 T9 T« ZU7 OOU 68 68 6.7 6.0 73 65 0311 •5k6 67 68 5.7 6.6 61 T» ^ 68 70 T.O T.k 76 82 1517 laik TO <9.5 7.k 7.0 as T« 2U3 0013 S-' 7.0 6.9 7« 75 0320 0558 68 67 6.5 6.k 71 «9 RANGE "»«I"U" KAN^t MINIMUM TO. 5 67 8.1 5.7 88 61 AVERASE 68.5 7.1 n T-131 TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 STATION CH A MILE Ik.k DATE TIME PST TEMP "F DO mg/l DO % SAT 5 Dm eoo mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 8-30-&) 8-31-60 9-1-60 9-2-60 0855 1200 68 70 7.1 7.5 51 l.« 0.0 0.3 0.3 1500 1803 69.5 69 7.5 7.7 83 85 l.kl 0.1 0.2 0.2 2122 23» § J.k 7.5 81 82 3.11* 0.0 0.2 0.2 0312 05Ui 68 68 7.1 7.6 S 1% 0.0 0.3 0.3 oa;8 1208 69 70.5 7.1. 7.6 81 65 1.97 2.01 0.1 0.3 0.3 llt53 1758 70 69.5 7.1t 7.1 82 19 1.82 1.81 0.0 0.3 0.3 2058 0010 68.5 68 7.0 7.0 76 2.25 2.20 0.1 0.3 0.3 031lt 0533 67 68 6.2 6. It 67 TO 2.1l^ 0.1 o.u O.k 0919 1231 68 70.5 7.0 7.3 76 82 1.99 2.00 0.0 0.3 0.3 lk58 1802 §•' 7.3 7.0 82 77 1.53 1.50 0.1 0.2 0.3 2106 0000 % 6.7 6.6 71 2.U1 0.1 0.3 0.1) 0303 0^ 68 68 6.l> 5.8 TO 63 2.25 2.21 0.0 O.ll o.k 0859 1217 68 69 7.1 7.1 n 78 2.00 1.82 0.0 0.3 0.3 1508 1805 70 TO 7.1. 7.3 82 81 l.Ul 1.U2 0.1 0.3 0.3 2103 0003 68 68 6.9 6.8 75 71. 1.98 1.99 0.0 0.3 0.3 0310 0551 66 67 6.6 5.9 TO 63 2.01. 2.05 0.0 0.3 o.b RANGE 1 MAXIMUM 1INIMUM 70.5 66 7.7 5.8 85 63 If 0.1 0.0 O.I» 0.2 O.k 0.2 AVERAGE 68.5 7.0 77 2.02 0.0 0.3 0.3 STATION Suttur Slounl MILE 3li.2R DATE TIME PST TEMP DO mg/l 00 % SAT 5 Day BOD mg/l ABS mg/l 0-PO, mg/l T-P04 mg/l a- 30-60 8-31-60 9-1-60 0631. 68 7.1. 80 2.k8 2.19 0.0 0.3 0.3 uxw 68 8.2 89 1.96 1.86 0.1 0.3 0.3 1500 TO 7.k 82 l.kS 1.27 0.0 0.3 0.3 otu. 68 6.3 68 1.71 1.79 0.1 0.3 O.k 1225 n — - — — — 1755 69 7.0 Tl l.W. 1.12 0.0 0.3 0.3 0609 67 5.8 62 2.7I. 2.68 0.0 o.k O.k 1209 TO 7.1 79 1.01 0.92 0.0 0.3 0.3 15« 72 6.9 78 .... ... ... ... 1758 TO 6.9 77 1.23 0.0 0,3 Ork -NGE ^Nir: 72 67 8.2 5.8 89 62 2.7l> 0.92 0.1 0.0 o.fc 0.3 O.k 0.3 AVERAGE 69.5 7.0 77 1.71 0.0 0.3 0.3 STATION: 033.5 MILE 33.5 DATE TIME PST TEMP "F DO mg/l DO % SAT 5 Do» BOD mg/l ABS mg/l O-PC mg/l T-PO, mg/l 8-29-60 8-30-69 8-31-60 9-1-60 9-2-60 08k6 nkS 68 TO. 5 7.2 7.2 78 81 lk53 1753 70 69.5 7.5 7.5 83 83 2110 23k7 69 66 7.k 7.2 81 78 0303 0538 68 68 7.2 7.1 78 77 08I.9 1201 69 TO. 5 7.6 7.5 8k 8k IW18 1750 TO 69.5 7.5 7.2 83 80 2050 0002 69 66 7.0 7.1 77 77 030k 0529 68 68 6.7 6.0 ?. 0911 1216 69 TO 7.2 7.1 79 79 lkk9 17k8 TO 69 7.1 7i 2058 2352 69 67 6.8 6.6 75 71 0255 0537 66 67 6.k 5.7 TO 61 0851 1202 69 70 6.8 7.1 75 79 lk57 1751 TO 69.5 7.2 7.3 80 81 2057 235k 68 67 7.0 6.8 76 73 0300 05kk 67 67 6.0 6.5 65 TO RANGE ] MAXIMUM MINIMUM TO. 5 67 7.6 5.7 8k 61 AVERAGE 68.5 7.0 77 STATION: stwambORt SlouKb MILE 32-6S DATE TIME PST TEMP "F DO mg/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 6-29.60 8-30-60 8-31-60 9-1-60 2057 69.5 7.0 78 2.16 2.19 0.1 0.2 0.2 0135 68 7.2 78 — — — 06k5 68 7.3 79 2.2k 2.1k 0.1 0.3 0.3 loik (63)* 7.2 7k 2.0k 2.05 0.1 O.k O.k 1150 TO 7.2 80 — — ... lk37 TO 7.k 82 1.36 1.28 0.0 0.2 0.2 17kl 2039 TO 69.5 7.3 7.k 81 82 — — .- — 0622 68 5.8 63 2.21 2.16 0.1 O.k O.k 1207 69.5 6.3 TO 1.29 1.28 0.0 O.k o.k lk39 TO 6.9 77 1738 69.5 . 7.2 80 1.25 1.22 0.0 0.3 0.3 2050 69 7.0 n ... — ... 0619 67 5.9 63 1.30 1.33 0.0 O.k o.k U52 69 6.5 71 1.13 1.06 0.0 0.3 o.k lk50 TO 6.2 69 ... — ... 17k3 TO 6.9 77 1.18 I.IS 0.0 0.3 0.3 20k9 67.5 7.0 76 .- — ... RANGE 1 ItAXIMUM MINIMUM 70 67 7.k 5.8 82 63 2.2k 1.06 0.1 0.0 o.k 0.2 o.k 0.2 AVERAGE 68.5 6.9 75 1.60 0.0 0.3 0.3 T-132 TABLE T-l4(Conlinued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMeER 2, I960 STATION C3 2.5 MILE 32. DATE TIME PST TEMP 'F 00 nt^/l 00 %SAT i 00, eoo mg/l ABS mg/l 0^>04 mg/l T-PO4 mg/l 8-89-*) S-30-«0 8-31-60 9-1-60 9-a-6o 083S 1238 68 71 7.0 7.2 76 ai 2.1 0.1 0.3 0.3 lua irks TO 69.5 7.3 7.5 ai 83 1.1.3 1.1.3 0.1 0.2 0.2 aoi.3 2337 70 68 7.2 7.H IS 2.35 2.32 0.1 0.2 0.2 OS55 0533 68 (6 7.2 7.1 ?? i.ao 2.76 0.0 0.3 0.3 083T lUl 68 70.5 7.5 7.5 82 81. 1.1.5 i.fco 0.1 0.3 0.3 ll«6 1T33 TO 70 7.k 7.k 82 82 1.57 1.60 0.0 0.3 0.3 2029 2355 g-' 7.3 7.1 Bl 77 1.1.3 l.Sk 0.1 0.3 0.3 0256 052k 67 68 6.9 6.0 71. 65 i;6 0.1 0.1. O.k 0902 68 69-5 7.0 6.6 76 73 l.ltf! l.H 0.0 0.3 0.3 ll'33 1T29 70 69.5 7.1 7.2 s 1.1.2 1.3a O.l 0.3 0.3 20l>l 23k5 69.5 68 7.0 6.1. 78 70 1.38 1.3I. 0.1 0.3 0.1. 021.8 0533 68 67 ^5 6.1 71 66 1.85 1.92 0.1 0.1. O.b oau Uk2 69 70 6.1. 6.9 70 77 l.fco 1.33 0.0 0.3 O.k 1U1,3 1735 71 TO 6.6 7.1 7". 79 1.36 1.31. 0.1 0.3 0.3 201.3 231.6 68 68 7.0 6.9 76 75 1.30 1.15 0.0 0.3 0.3 0251. 051* 67 6i 6.7 6.7 72 71 1.57 1.66 0.0 0.3 0.3 RANGE MAXIMUM MINIMUM 71 66 7.5 6.0 81. 65 2.76 1-15 0.1 0.0 0.1. 0.2 o.k 0.2 AVERAGE 68.5 7.0 77 1.59 o.l 0.3 0.3 STATION C3I .6 MILE )1.6 DATE TIME PST TEMP •F QO ffig/l 00 *SAI 500,600 mg/l ABS mg/l 0*0, mg/l T-PO. mg/l 8-29-40 8- 30-60 8-31-60 9-1-60 9-2.A) 0829 1129 68 69.5 6.8 7.2 7k 80 lk33 1737 70 70 7.0 7.5 78 83 2033 23a 69 68 7.k 7.2 81 7« 02k7 0526 68 68 7.2 7.0 78 16 0830 1133 68 69.5 7.3 7.5 V, lk23 1725 70 TO 7.k 7.5 82 •3 2022 23k7 69.5 68 7.2 7.2 80 T8 02k8 0519 67 68 6.9 6.5 7k 71 0850 U37 69 69.5 6.k 7.0 70 78 lk27 1723 70.5 69.5 7.1 7.2 80 80 2033 23kO TO 68 6.9 6.6 77 72 02k2 0530 68 67 6.5 6.2 71 67 0837 U.36 68 70 5.9 7.0 6k 78 1728 TO 70 7.0 7.2 78 80 2036 23kO 68 68 7.2 6.9 78 75 02k9 0535 67 67 6.7 6.6 72 71 OiNfF MAXIMUM "'""^E MINIMUM 70.5 67 7.5 5.9 83 6k AVERAGE 69 7.0 76 STATION CIO .1 MILE 30. DATE TIME PST TEMP •F DO mg/l DO ». SAT 5 Doy BOO mg/l ABS mg/l O-PO, mg/l T-PO4 mg/l 8-29-A) 8-30-60 8-31-«) 9-1-60 9-2-40 0819 Ulk 66 69.5 6.6 6.9 70 T7 1.3 0.1 O.k O.k lk20 172k 69.5 70 7.1 7.3 g l.kk l.kk O.l 0.2 0.2 2021 2313 n 7.k 7.0 81 2.96 3.00 0.1 0.2 0.3 0237 0521 68 68 7.1 7.3 77 79 2.17 2.12 0.0 0.2 0.2 0815 1122 68 70 7.1 7.k T7 82 l.k5 l.k5 0.1 0.3 0.3 lkl3 1715 70 70 7.k 7.k 82 82 0.95 0.97 0.0 0.3 0.3 20U 2336 69.5 68 7.3 7.1 ai 77 1.5k l.k? 0.1 0.3 0.3 0237 0513 67 67 1:1 5« 73 1.35 0.1 0.3 0.3 0825 U25 68 69.5 5.9 6.8 Ck 76 1.62 1.57 0.0 0.3 0.3 1U7 ink 70.5 69.5 7.1 7.0 80 78 — — — 2018 2327 69.5 68 7.0 k.6 78 50 1.50 1.55 o.l 0.3 0.3 023k 0527 68 68 6.7 6.k 73 TO 132 1.32 o.l 0.3 0.3 0826 1128 68 TO 6.0 6.k 65 71 l.kl 1.J6 0.0 0.3 O.k lk27 1750 TO TO 7.1 7.0 79 78 \VM' 0.0 0.3 0.3 2026 2330 69 68 7.0 7.1 77 l.U l.U 0.0 0.3 0.3 0236 0530 67 68 6.8 6.6 73 72 1.36 1.20 0.0 0.3 0.3 RANGE MAXIMUM MINIMUM TO. 5 66 7.k k.6 82 50 3.00 0.95 o.l 0.0 O.k 0.2 O.k 0.2 AVERAGE 68.5 6.8 75 l.k5 0.1 0.3 0.3 STATION 028.1. MILE 28. k DATE TIME PST TEMP •F 00 mg/l 00 %SAT S Doy BOD mg/l ABS mg/l 0.P04 mg/l T-PO, mg/l 8.29-40 8-30-40 8-31-60 9.1-tO 9-*.40 0804 1103 67 69.5 6.k 4.5 69 72 ikoa 1713 69.5 70 4.9 7.1 n 79 2010 230k 69.5 69 7.0 7.1 78 78 0222 0510 67 48 7.2 7.3 77 79 0800 1110 48 TO 7.2 7.1 78 79 lk03 1705 70 70 7.k 7.k 82 82 2002 23ak TO 67 7.k 7.k 82 80 0223 050k 68 68 7.1 7.1 n T7 0817 1106 48 49.5 7.0 5.9 74 44 IkOk 1704 S:l 4.8 7.1 76 79 2009 23lk r 6.9 4.7 T7 73 0226 051T 48 48 6.T 4.5 T3 71 0812 uis 48 TO 6.k 5.8 s lkl5 1708 TO TO 4.3 6.9 TO TT SOlS 2316 TO 48 4.9 7.0 TT T« 0221 0521 68 48 4.8 6.5 T» Tl NANUt MINIMUM T0.5 47 7.k 5.8 82 6k AVERAGE 69 6.9 T4 T-133 TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 station: C-D-2T.lt MILE 27.1. DATE TIME PST TEMP •F D.O mg/l D % SAT 5 Day BOD mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l 8-S9-60 8-30-60 8-31-60 9-1-60 9-2.60 0935 69 6.7 T> 12to 70 6.3 70 IlliS 0.1 0.3 0.1) ISW 1850 70 70 6.8 6.9 76 77 l.W 1.1)6 0.0 0.3 0.3 2150 ono 70 69 6.9 7-2 77 79 1.1)3 1.1)3 0.0 0.3 0.3 01)10 0655 69.5 7.3 7.2 80 1.35 1.23 0.1 0.2 0.3 0950 1235 69.5 71 7.3 7.2 61 81 1.33 1.35 0.1 0.3 0.3 1550 1850 71 70 7.3 7.1) 82 82 1.38 1.35 0.0 0.3 0.3 211l5 70 7.2 80 1.31 1.69 0.1 0.1) 0.1. 0630 70 6.9 77 1:05 0.1 0.3 0.1) 0910 02115 69 70 6.5 6.U 71 71 1.89 1.81 0.0 0.3 0.3 1655 69.5 6.7 7lt 1.18 1.16 0.1 0.3 O.ll 2000 2302 § 6.9 6.7 s 1.17 1.17 0.0 0.3 0.3 0217 0506 68 68 6.5 6.5 71 1.10 1.00 0.0 0.3 0.1) oSoU LIO3 1 6.1) 6.3 TO 69 0.92 0.92 0.0 0.3 0.3 11)03 1700 70 70 5.8 6.U 61) 71 1.33 1.33 0.2 0.5 0.5 2008 2306 70 68 6.9 6.9 77 75 1.01 0.93 0.0 0.3 0.3 0210 O51I) 68 67 6.8 6.7 71) 72 1.02 0.57 0.0 0.2 0.3 RANGE MAXIMUM MINIMUM 71 67 7.1) 5.8 82 61) 1.89 0.57 0.2 0.0 0.5 0.2 0.5 0.3 AVERAGE 69.5 6.8 75 1.26 0.1 0.3 0.3 STATION D26.8 MILE 26.8 DATE TIME PST TEMP D mg/l DO %SAT 5 Ooy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0930 1230 69 70 6.6 6.5 73 72 1530 181.0 70 70 6.5 6.9 72 77 211)5 0105 70 69 6.6 7.0 73 77 OVX> 0650 69.5 7.3 7.3 81 09l«) 1225 70 71 7.2 7.1) 60 83 151.0 i3to 71 70 7.2 81 82 2130 0625 70 70 7.1 6.9 79 77 0900 1235 69 70 6.8 6.9 75 77 1520 1820 n 70 7.1 6.7 80 7I) 0Ol)5 031)0 70 69.5 7.0 6.8 78 76 061)0 0910 69 70.5 6.5 6.3 71 71 1215 1530 70 70 6.2 6.8 69 76 0305 0600 68.5 6.5 6.9 ■a 0905 1215 70 TO 6.8 6.1) 76 71 RANGE "««'""" HANbt MINIMUM 71 68.5 7.1. 6.2 83 69 AVERAGE TO 6.8 76 STATION 025 5 MILE 25.5 DATE TIME PST TEMP "F DO mg/l DO ■y. SAT 5 Ooy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0925 1220 69 71 6.6 7.1 73 80 0.7 0.1 0.3 0.3 1520 1830 70 70 6.5 7.1 72 79 1.1.3 1.1.5 0.0 0.3 0.1) 2135 0055 70 69 6.9 6.6 73 1.1.6 1.1.6 0.0 0.3 0.3 0350 061)0 70 7.2 7.0 78 1.36 1.33 0.1 0.2 0.2 0930 1215 70 71 7.2 7.3 80 82 1.33 1.35 0.1 0.2 0.2 1530 1830 n 71 7.5 7.2 8U 81 1.36 1.32 0.0 0.3 0.3 2120 70 7.3 81 1.26 1.29 0.1 0.3 0.3 0620 TO 6.8 76 1.56 1.51 0.1 0.3 0.1. 0855 1225 69 70 6.9 6.9 76 TT 1.31 1.36 0.0 0.3 0.3 1510 18ID 72 70 7.1. 6.8 81. 76 1.50 0.1 0.3 0.3 0035 70 7.1. 82 0.93 0.88 0.0 0.3 0.3 0335 0635 70 70 6.8 6.6 76 73 1.26 1.18 0.0 0.3 0.1. 0900 1205 69.5 70 6.5 6.6 72 73 1.29 1.20 0.0 0.3 0.3 1515 70 7.0 78 i:S 0.1 0.2 0.3 0300 0550 68 7.2 6.8 78 0.50 0.52 0.0 0.3 0.3 0855 1205 70 TO 6.9 6.6 77 73 1.17 1.13 0.0 0.3 0.1. RANGE MAXIMUM MINIMUM 72 68 7.5 6.5 81. 72 1.56 0.50 0.1 0.0 0.3 0.2 0.1. 0.2 AVERAGE 70 7.0 77 1.21) 0.0 0.3 0.3 STATION: D2I. 3 MILE *-3 DATE TIME PST TEMP "F DO mg/l DO 5 Doy BOD % SAT mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2.60 0910 1210 70 n 6.5 7.1. 72 83 1510 1820 TO 70 6.6 7.1 73 79 2125 ooto 70 69 7.1 7.1 ^ 03I.O 0625 70 7.0 7.3 E 0925 1205 70 n 7.3 7.3 82 1520 1820 71 71 7.5 7.1 81. 80 0610 70 TO 7.5 7.0 % 0850 1210 TO 70 6.9 7.1 77 79 11.55 ifioo 72 TO 7.6 6.5 86 T2 0025 0325 TO 69 7.7 7.3 86 80 0610 0850 TO TO ti 77 71 1155 1505 TO 70 6.5 7.3 72 81 0250 051.5 68 7.3 7.0 79 o8to 1155 TO 71 7.0 6.6 78 71. BAIMCF MAXIMUM MAiM^t MINIMUM 72 68 7.7 6.1. 86 n AVERAGE 70 7.1 79 T-13^ TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 STATION De3 3 MILE 23.3 0«TE TIME PSI TEMP •F 00 mg/l DO % SAT SOoyBOD m,/l ABS mill 0-PO, m,/i TPO4 i.>g/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2.60 0905 1155 69 71 6.1. 7.3 70 82 1:0 0.1 0.3 0.3 1500 1815 71 70 6.8 6.9 76 T7 1-3* 1.29 0.0 0.2 0.2 2U0 0030 70 70 7.5 7.2 83 80 1.75 1.73 0.0 0.2 0.3 2US 70 6.8 7.1 79 1.1.2 1-37 0.1 0.3 0.3 0915 1200 70 70 7.1 7.5 79 83 1.01 1.02 0.0 0.3 0.3 1510 1810 71 71 7.5 7.3 81. 82 1.39 1.32 0.0 0.2 0.2 2055 TO 7.5 83 1.31 1-31 0.1 0.3 0.3 060; TO T.l 79 l.kl l.to 0.1 0.3 0.3 08I10 1155 70 70 6.9 T.l T7 79 1.07 1.04 0.0 0.3 0.3 lk45 1750 72 71 7.6 7.1 86 80 1.31 1.31 0.1 0.3 0.3 0015 70 7.8 87 0.99 1.00 0.0 0.3 0.3 0J15 0600 70 70 7.5 6.5 82 72 2.08 2.03 0.0 0.3 0.3 oaiio 111.5 70 70 6.6 6.5 73 72 1.1.6 l.U. 0.0 0.3 0.3 1*55 TO 7.6 81. 1.1.5 l.U. 0.1 0.2 0.3 021.5 05*0 68.5 7.1. 6.9 81 0.59 0.56 0.0 0.3 0.3 s? 70 n 6.9 6.8 77 76 1.29 1.16 0.0 0.3 0.3 R4N0E """""" '"'"'''■ MINIMUM 72 68.5 7.8 6.1. 87 70 2.08 0.56 O.l 0.0 0.3 0.2 0.3 0.2 OVERAGE 70 7.1 79 1.29 0.0 0.3 0.3 STATION DC2.3 MILE 22.3 DATE TIME PST TEMP •F 00 rng/l 00 %S»T J Our BOO m,/i ABS mg/l 0-PO, m,/l T-PO. mg/l 8-29-60 &.30-60 8-31-60 9-1-60 9-2-60 0855 111.5 69-5 71 6.1. T.T Tl 8T 11.1.5 1805 71 71 T.l T.l 80 80 2UjO 0020 71 70 8.1 7.6 91 81. 0320 06ID 70 7.0 7.1 79 0910 U50 70 71 7.2 7.1 80 80 1500 LBOO 71 71 8.0 7.5 S 2050 0600 TO 70 7.5 7.2 §^ 0830 UI.5 70 70 7.2 7.3 80 81 lUo 17W 71 n T.9 7.3 89 82 0010 0300 TO 69.5 ?:? 92 87 0530 0835 69.5 70 7.2 6.8 80 76 1135 1U.5 TO TO 6.6 8.1 73 90 0235 0520 68.5 8.0 T.k 88 0825 1135 TO Tl T.O T.O 78 79 OANrf MAXIMUM HANl^E MINIMUM 71 68.5 8.3 6.1. 92 71 AVERAGE TO. 5 T.l. 82 STATION D21.1 MILE 21.1 DATE TIME PST TEMP •F 00 mg/l 00 XSAT 5 Ooy BOO mg/l ABS mg/l O-PO, mg/l T-PO4 m,/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 O8I.5 1130 TO 72 7.1 7.9 79 90 X.l 0.1 0.2 0.2 11.35 1758 Tl Tl 7.1 7.2 £ 1.17 i.n 0.1 0.3 0.3 2100 0010 n n 8.2 8.2 92 92 Ul' 0.1 0.0 0.1 0310 0600 TO 7.0 6.8 76 i.to 1.89 0.1 0.2 0.2 0900 111.5 TO Tl 7.0 7.3 78 82 1.36 1.36 0.1 0.3 0.3 11.50 1750 n n 7.1. 7.5 s 1.56 1.53 0.0 0.2 0.2 201.5 TO 7.7 86 i:5l 0.1 0.2 0.3 0550 TO T.» 82 l.k3 1-K3 0.1 0.: 0.3 0820 1130 TO Tl 7.1 7.k z 1-30 l.?7 0.0 0.3 0.3 1*30 lT3t> T2 n 8.k 7.6 n 1.90 1.89 o.l 0.2 0.2 0005 TO 8.5 9* 1.39 l.U 0.0 0.2 0.3 021.5 0525 69 TO 8.1 7.3 g 1.09 1.12 0.0 0.3 0.3 0830 U25 TO TO 6.5 6.8 72 76 1.19 1.17 0.0 0.3 0.3 lk35 TO 8.2 91 1.6: 1.55 0.1 0.3 0.3 0225 0515 68 ?:l 90 0.60 0.51 0.0 0.2 0.3 oai5 TO 7.2 80 1.06 1.12 0.0 0.3 0.3 1125 71 7.0 79 RANGE DAXIMUM MINIMUM 72 68 8.5 6.5 95 72 1.90 0.51 o.l 0.0 0.3 0.0 0.3 0.1 AVERAGE 70.5 7.5 8k 1.3k 0.1 0.2 0.3 STATION oeo.l MILE 20.1 DATE TIME PST TEMP •F DO mg/l DO %SAT 5 Oo» BOO mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l 8-29 .60 8-30-60 8-31-60 9.1-60 9.2.60 O8I1O IU5 70 71 7.7 8.0 86 90 11.25 1750 71 71 7.3 T.k 82 83 2055 0005 71 70 8.5 8.5 96 91. 0300 0550 70 T.5 6.9 T7 0855 llko 70 71 T.1 T.6 T9 85 IkkO I7l« 71 71 T.8 T.6 88 85 2035 051.5 70 70 8.0 T.5 % 0815 1125 TO TO T.2 7.8 80 87 ikao 1720 71 71 8.7 T.9 t 0000 02k0 TO 69.5 8.6 S.k 96 93 ss TO TO n V. U15 1W5 TO 71 J:i 79 9k 0215 0510 68.5 8.6 T.e 95 0805 U15 TO 71 7.2 T.O 80 79 KAiibt MINIMUM 71 68.5 e.T 6.8 98 76 AVERAGE TO. 5 T.T »7 T-135 TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 STATION D16.8 MILE 18.8 DATE TIME PST TEMP "F DO 00 ■KiSAT 5 Doy BOD mg/l ABS mfl/l O-PO4 mq/l T-PO4 mg/l 8-29-te 8.30-60 8-31-60 9-1-60 9.2.60 0825 1105 70 71 7.6 7.9 87 89 1;'?? 0.1 0.3 0.3 UlO 71 7.9 89 1.73 1.67 0.1 0.2 0.2 ITU© 72 7.9 90 201.5 23k5 71 71 8.7 8.5 98 96 2.61 2.61. 0.0 0.2 0.2 0Sk5 05to 70 7.8 7.0 78 1.80 1.85 0.1 0.2 0.2 081t5 1135 70 71 7.2 7.9 80 89 1.76 1.75 0.1 0.2 0.2 11.30 1730 71 71 8.1 7.7 91 87 1.60 1.78 0.0 0.2 0.2 2025 70 8.1. 93 2.11. 2.04 0.1 0.2 0.2 0535 70 7.1. 82 1.64 l.M 0.1 0.2 0.2 0810 1115 69 70 7.1. 7.9 81 88 1.45 1.45 0.0 0.2 0.2 lltlO 1710 71 71 8.7 8.3 98 93 2.32 2.22 0.1 0.2 0.3 2350 70 8.6 98 1.72 1.69 0.0 0.3 0.3 0225 0510 69.5 69.5 8.6 7.9 96 88 1.82 1.77 0.0 0.2 0.3 0815 1105 70.5 70 7.2 7.6 81 8b 1.30 1.16 0.0 0.3 0.3 11.15 71 8.7 98 2.50 2.45 0.0 0.2 0.2 0205 0500 68 68.5 6.6 6.1 93 89 0.92 0.87 0.0 0.2 0.2 0755 1105 TO 70 7.3 7.1. 31 82 1.65 1.65 0.0 0.3 0.3 RANGE J AXIMUM INIMUM 72 68 3.8 7.0 98 78 2.64 0.87 0.1 0.0 0.3 0.2 0.3 0.2 AVERAGE 70.5 8.0 69 1.73 0.0 0.2 0.2 STATION IflletOQ Sent MILE 18.11 DATE TIME PST TEMP "F DO mg/l DO USAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 1230 77 - 2.8 a 18 1845 T4 59 0.2 22 26 0030 72 78 5.9 23 24 0645 74 63 4.9 21 22 1230 74 57 5.3 21 22 1815 74 79 4.5 23 24 0030 72 76 4.8 21 23 0630 74 76 5.4 20 22 1205 74 (>U00)* 4.1 20 21 IBOO 72 - 4.5 48 49 0025 72 60 5.5 20 20 0635 72 36 4.1 17 IS I9in 73 55 4.7 16 17 1805 72 - 4.8 22 23 0025 72 70 5.4 21 23 0615 71 54 5.8 21 26 RANGE MAXIMUM MINIMUM 77 71 79 36 5.9 0.2 48 16 49 17 AVERAGE 73 64 4.5 22 24 STATION DI7.5 MILE 17.5 DATE TIME PST TEMP •F DO mg/l 00 %SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 8.29-60 8-30-60 8-31-60 9-1-60 9-2-60 0800 1055 70 71 8.9 8.5 5? 96 1355 1730 72 72 6.7 8.2 99 93 2335 0235 n 8.8 8.3 99 0530 1420 70 71 7.5 8.5 83 96 1725 2015 71 70 8.2 6.7 92 97 0600 1105 69 70 7.6 6.1 64 90 1400 1655 71 71 9.1 8.6 102 97 2340 0215 71 70 3.4 8.2 94 91 0505 0605 69.5 70 8.3 7.6 92 64 1055 1410 70 70 i-:i 86 99 0155 0455 68 68.5 n 90 93 0740 1055 70 TO 7.5 7.4 82 RANGE "»>">«"" """""^ MINIMUM 72 68 9.1 7.4 102 82 AVERAGE 70.5 8.3 92 STATION EI5.I MILE 15.1 DATE TIME PST TEMP •F DO mg/l DO %SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 6-29-60 8-30-60 8-31-60 9-1-60 9-2-60 1030 72 8.1 92 1.61 1.63 0.1 0.3 0.3 1450 1725 72 TI.5 8.5 8.8 97 100 2.63 2.57 0.1 0.2 0.2 2045 2343 68 67 8.2 7.9 39 35 1.65 1.75 0.0 0.2 0.2 0315 69 6.1 89 1.17 1.11 0.2 0.1 0.1 0800 71 7.8 88 1.47 1.57 0.1 0.2 0.2 1108^ 1400 1650 71 3.1 (6.2)* 3.9 91 2.03 2.17 0.0 0.2 0.2 2020 2305 65 64 8.0 8.0 84 83 2.04 1.97 0.1 0.2 0.2 0217 0520** 68 68 3.1 3.1 88 88 1.41 1.50 0.1 0.3 0.3 0756 1050 63 68.5 7.7 8.3 34 91 1.29 1.25 0.0 0.2 0.2 1355 1630 65 65 8.5 9.1 89 96 2.06 1.37 0.1 0.3 0.3 1928 2245 65 8.7 3.-2 92 1.73 1.55 0.0 0.3 0.3 0152" 0432 70.5 70 a.i 3.2 91 1.92 1.95 0.0 0.3 0.3 0802 1058** 70 70.5 8.0 8.6 39 97 0.99 0.95 0.0 0.3 0.3 1357 1647 71.5 70.5 8.6 8.7 98 93 1.92 1.87 0.0 0.3 0.3 1955 2302 69.5 69 9.0 8.3 100 91 1.19 1.39 0.0 0.2 0.3 0137 0420 68 67.5 8.3 7.5 90 82 0.61 0.58 0.0 0.2 0.2 0728 69.5 8.3 92 1.38 1.29 0.0 0.3 0.3 RANGE "'XIMU" "'""''^ MINIMUM 72 64 9.1 7.5 100 82 2.63 0.53 0.2 0.0 0.3 0.1 0.3 0.1 AVERAGE 69 8.3 91 1.59 0.0 0.2 0.2 T-136 *« Saiqile vac not used In a cooposlte for duplicate analyses. TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 srsTiON ni.u MILE I3.k DATE TIME RST TEMP n0, mg/l T-PO, mg/l e-s9-6o »-9o-eo 9-1-&) \oso 71 8.0 90 l.k3 1-37 0.1 0.2 O.k 11.30 1T07 71 70.5 8.3 7.9 u 2.29 2.2k 0.0 0.2 0.3 soso 8320 67 61 u 85 71 1.27 1.27 0.0 0.2 0.2 0255 OSkl** 7.8 7.6 86 8k 1.19 1.10 0.0 0.2 0.2 07K 1057 70 TO 8.0 8.1 89 90 1.5k 1.68 0.1 0.2 0.2 13W I63k 72 6.0 8.3 68 1.87 1.75 0.0 0.2 0.2 aooo 2250 65 6lt 8.0 8.0 81. 83 1.58 1.51 0.1 0.3 0.3 0158 0506" 68 68 7.9 8.0 86 87 1.37 1.30 0.1 0.2 0.2 07k5 1037 68 69.5 8.0 8.1 87 90 1.19 1.21 0.0 0.3 0.3 iiiX 65 65 8.0 8.1. 81. 88 1.66 1.76 0.1 0.3 0.3 1912 2230 65 8.1 7.9 85 1.15 1.13 0.0 0.2 0.2 0135 01.20 TO 69.5 8.0 8.1 89 90 0.98 0.99 0.0 0.2 0.2 0750 70 71 8.0 8.2 89 92 1.10 1.11 0.0 0.3 0.3 13)« I632 71 70.5 8.3 8.3 93 93 1.27 1.28 0.0 0.2 0.3 19ko 221.5 69 70 8.1. 8.2 92 91 1.00 0.9k 0.0 0.2 0.3 0125 OI1O9 68 67 2-' 8.1 90 87 \l:^\' 0.0 0.2 0.2 0717 68.5 8.2 90 1.35 1-35 0.0 0.3 O.k RANGE HAXIMUM HINIMUM 72 6k 8.1. 6.0 93 68 2.29 o.gi. 0.1 0.0 0.3 0.2 O.k 0.2 AVERAGE 68.5 8.0 87 1.32 0.0 0.2 0.3 STATION MP TUt« SnK> TnmtMoa Plant MILE u.6a DATE TIME PST TEMP 00 mg/l 00 %SAT SOoiBOO mg/l ABS mg/l 0-P0« mg/l T-PO4 mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 1200 8k 126 12 k5 58 1700 80 55 0.1 IS 21 2330 76 102 7.k 22 22 05k5 76 86 k.6 17 IS 1200 68 Ilk 9.3 30 32 17kO 76 27 Ik IB IB 2330 7k 78 6.2 18 20 0530 7k 7k 5.2 l£ IB 10k5 (95)* 9k 5.7 2k 28 1510 76 k9 6.0 19 21 0000 7k 72 8.1 23 25 0600 n 7k 5.k 19 22 1100 7k 59 8.1 26 29 1710 75 39 5.1 19 21 2330 75 107 6.k 22 2k 05k5 73 59 5.k 16 21 RANGE MAXIMUM MINIMUM 8k 68 126 27 Ik 0.1 k5 16 58 IS AVERAGE 75 76 6.8 1 22 25 Stimplr was not tued In a coopOsLle for duplicate uialyaes. STATION Bll.l MILE U.l DATE TIME PST TEMP •F DO mg/l DO %SAT 5 Day BOO mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l 8-29-60 8-30-60 8.31-60 9-1-60 9-2-60 1000 ikoo 68.5 71 7.9 87 1655 2005 70.5 67 8.2 8.1 ^ 2307 0225 67 69 6.8 7.7 u 073k 1037 69.5 70 7.9 8.0 88 89 1332 1622 72 8.0 8.1 91 191.6 2237 66 6k 8.3 8.2 88 85 01k7 0k59 67 68 7.9 7.9 g 0737 1027 67.5 69 8.0 8.2 87 90 1330 l60k 65 6k 5.k 8.1 57 8k 1905 2223 65 8.1 8.3 85 012k OkoB TO TO 8.0 7.9 % 0736 1032 69 TO 8.0 8.3 88 92 1330 1620 TO 70.5 1:1 ^ 1930 2237 % S.k 8.3 92 90 0115 0357 68 67 8.2 8.1 89 87 07ID 69 8.2 90 o.^^c MAXIMUM ""OE MINIMUM 72 6k 8.5 5.k 96 57 AVERAGE 68.5 7.9 86 STATION B9 ■5 MILE 9.5 DATE TIME PST TEMP •F mg/l 00 %SAT 5 Dot BOO mg/l ABS mg/l 0^>0, mg/l T-PO, mg/l 8-29-60 8-30-60 8-31-60 9-1-60 9-2-60 0950 67 7.9 85 0.99 1.02 0.1 0.2 0.2 1336 1636 69.5 69.5 8^2 91 1.50 1.55 0.1 0.2 0.2 19k6 22k3 66 66 7.8 6.2 63 66 1.12 l.U 0.1 0.2 0.2 0207 0520 67 68 7.8 7.7 8k 8k 1-36 1.27 0.1 0.2 0.2 OTlk 1020 £9 70 7-9 8.2 87 91 1.22 1.22 0.1 0.2 0.2 1315 1610 70.5 7.1 8.2 80 1.57 1.51 0.0 0.2 0.2 1930 2223 6k" 7.9 7.3 76 1.3k 1.26 0.1 0.2 0.2 0130 Okk1« 66 6T 8.0 7.8 85 8k 1.2k 1.20 0.1 0.2 0.2 0717 1015 68 68 8.0 8.1 97 88 0.80 0.8k 0.1 0.2 0.2 1315 15k8 65 65 8.1 8.1 85 85 1.09 1.1k 0.1 0.2 0.2 IBkB 2206 6k 8.3 8.1 86 0.9T 0.95 0.1 0.2 0.2 0106 0355 69 68 8.1 8.1 89 88 0.65 0.63 0.1 0.2 0.3 0725 loeo 69 TO VI ST 89 1.2T 1.28 0.0 0.3 0.3 5^ TO TO 8.2 8.2 91 91 0.91 0.1 0.2 0.2 1916 2220 TO 69 1:1 92 90 0.69 a.6k 0.0 0.2 0.2 OO5B 03k7 68 67 8.2 8.2 89 88 ni' 0.1 0.2 0.2 0655 69 8.0 88 1.06 0.99 0.0 0.3 0.3 RANGE HAXIMUW MINIMUM TO. 5 6k 8.3 6.2 92 (6 1.57 0.63 0.1 0.0 0.3 0.2 0.3 0.2 AVERAGE 68 7.9 86 1.05 0.1 0.2 0.2 T-137 •• Sa^Lc tnu not ut«4 la a cflHpealta for dt^LleaM vmlj—*- TABLE T-14 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM AUGUST 29-SEPTEMBER 2, I960 E6.5 DATE TIME PST TEMP DO (ng/l D % SAT 5 Day 600 mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 8-30-60 8-31-60 9-1-60 9-2-60 09l»l 1315 68 69.5 7.7 81. 1.28 1.29 0.2 0.2 0.2 1617 1330 69 66.5 8.5 7.7 93 63 2213 0138 67 67 6.5 7.8 70 8b 0500 0652 69 68 7.9 6.1 67 68 1000 1255 68 8.0 7.1 67 151*2 1900 - 8.1. 8.6 2201 0112 61. 67 8.0 7.8 83 81. 0700 0951 67.5 6S 8.2 8.1 89 86 1255 1528 61. 6I..5 5.7 8.2 59 66 1830 211.5 6U 8.8 6.6 92 00J*5 0338 69 68 8.1 6.2 69 89 0703 1002 S.3 8.1 8.3 69 92 1255 15*5 t\ 8.1. 8.2 93 91 JSOO 00l»3 69 68.5 8.1. 8.2 92 90 0333 061.3 67 68 8.1 8.1 87 86 RANGE ] AXIMUM INIMUM 69.5 61. 6.8 5.7 93 59 AVERAGE 67.5 7.9 86 STATION ^ .0 MILE k.o DATE TIME PST TEMP °F DO mg/l 00 %SAT 5 Do» BOD mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l 8.29-60 6-30-60 6-31-60 9-1-60 9.2.60 0922 67 7.9 85 2.1.7 2.1.7 0.3 0.2 0.2 121.0 1600 %•' iTo 87 1.67 1.71 0.2 0.1 0.1 1912 2150 67 67 7.6 7.9 81. 85 1.66 1.92 0.2 0.1 0.1 0115" 0W.5 67 67 8.0 66 1.18 1.12 0.2 0.1 0.1 061« O9I.2 66 66 8.0 7.9 67 66 (UV 0.2 0.1 0.1 1230 1525 - (I..9)* 8.2 -- 1.60 1.1.9 0.1 0.2 0.3 1650 211.3 eJ ^9 8.0 83 1.56 1.67 0.3 0.1 0.1 0055 67 8.0 86 1.72 I.7I. 0.3 0.1 0.1 061.6 091.2 66 67 8.1 T.6 86 8U 0.69 0.69 0.2 0.2 0.2 1335 1510 63 65 7.9 6.9 81 73 1.53 1.53 0.3 0.1 0.2 1817 2135 61. 65 8.0 6.9 83 73 1.1.3 1.1.8 0.2 O.l 0.1 0029 0318 69.5 68 8.3 8.1 92 88 1.27 1.18 0.2 0.1 0.1 061.5 09W 68.5 69 6.1 6.2 89 90 1.02 0.93 0.1 0.2 0.2 1238 1523 70 70 i.l 90 1.55 l.w 0.3 0.1 0.2 161.5 2200 ^7.5 6.3 93 90 0.86 0.95 0.1 0.1 0.1 0025 0322 %-\ 8.2 8.1 90 88 1.77 0.88 0.2 0.1 0.1 0630 68 8.2 89 0.77 o.n 0.1 0.2 0.3 RANGE J AXIMUM INIMUM 2? 6.9 93 73 2.1.7 0.71 0.3 0.1 0.2 0.1 0.3 0.1 AVERAGE 67. 5 7.6 86 1.1.1 0.2 0.1 0.2 T-138 Table T-15 RESULTS OF ANALYSES LOWER REACH lOTENSIVE SAMPLING PROGRAM OCTOBER 2k - 28, I96O EXPLANATORY COMMENTS 1. Unless otherwise noted, the stations are on the Sacramento River. 2. Values shown in parenthesis and marked with an asterisk ( ) appeared unrealistic and were not used in computing maximum, minimum and average values . 3. Values for biochemicELl oxygen demand (BOD) are reported in the follow- ing manner: Example Method Time BOD a. A single BOD value reported between two times indi- 1330 cates that the value was obtained from a con5)osite 1-25 of samples collected at those times . I620 b. A single value shown for a specific time is the 1530 l.UO BOD of the sample collected at that time. h. Values for ABS, 0-POi^, and T-POi|. were reported in the same manner as described for BOD results under item 3- 5. Values for electrical conductance (EC) are results of analyses of single samples. T-139 TABLE T-15 SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28, I960 STATION At Bryte Laboratory MILE 62.6 DATE TIME PST TEMP DO mq/i 00 % SAT S Day BOD mg/l ABS mg/l O-PO4 mg/l T-PO4 m,/l EC>IO= 01 25- C 1j0.2U.6O lD.25-60 10-26-60 10-27-60 10-28-60 1050 IU38 61 62 ?-3 8.0 9U 82 0.90 187 ITOO 62 8.0 82 0.61. 192 2330 61 8.5 86 0.63 ITT 01.57 07116 59 59 9.1 9.2 90 1.23 177 179 1030 HID 60 61.5 9.5 7.5 ■95 76 1.13 181 196 16U2 200T 61.5 61 8.9 7.9 90 80 1.61. 192 182 2257 OI5I1 60.5 60 9.0 9.8 90 98 1.1.5 176 179 0620 0820 59 59 9.3 9-5 91 93 1.02 179 185 U30 1135 61.5 61 9.2 9-3 93 91. l.lrf) 192 198 1725 2039 61 60 3.9 9-3 90 93 1.70 181 2330 0137 59.5 58.5 9.2 9.5 91 93 1.36 178 177 0Mt2 072lt 58 57 9.5 9.5 92 91 {8.1.9)* 185 181 1033 13'>2 59 59-5 9.6 9.1. 91. 93 1.85 133 193 1830 20U5 59-5 59 8.8 9.7 87 95 1.36 189 189 2255 0152 59 58.5 9.2 9.6 90 93 1.21 179 179 0W»8 07113 57.5 57 9.5 9.7 92 93 2.68 ISO 186 RANGE ""^l""" """■■^ MINIMUM 62 57 9.8 7.5 98 76 2.68 0.63 197 176 AVERAGE 59.7 9.1 90 i-s". 181. STATION Hatomas Main Canal MILE 61.5L DATE TIME PST TEMP D mg/l DO % SAT S Doy BOD mg/l ABS mg/l 0-PO, mg/l T-PO, mg/l EC »I0* 01 25* C IO-2I.-6O 10-25-60 10-26-60 10-27-60 10-28-60 UM> 61 1..0 to 7.50 31.1 1750 62 5.0 51 1..55 369 2355 62.5 3-5 36 6.0I. 358 051.5 61 2.9 29 5.1.2 327 ui« 59 1..5 W 7.01. 311. i7to 60 5.6 56 2.92 307 231.5 61 3.1. 31. 3.28 3£6 05W 59 3.1. 33 U.62 301 low 59 1..1. 1*3 6.32 250 171.5 61 1..8 1.3 1..51 253 231.5 60 3.7 37 1..56 21.3 051^1 56 3.9 37 5.30 251. U30 57 1..8 1.6 It. 1.2 U.59 266 171.5 53.5 6.0 59 I..65 21.8 231.5 59 1..3 1.2 3.21. 281 05I.0 56.5 3.9 38 2.96 281 r,.»,^,r MAXIMUM "N^E MINIMUM 62.5 56 6.0 2.9 59 7.50 2.92 2M AVERAGE 59.5 1..3 1.2 1..85 2?? STATION Hatooaa East Malii Drain (Back Borrov Pit) MILE 60.61 DATE TIME PST TEMP •F DO mg/l DO ■y. SAT 5 Doy BOO mg/l ABS mg/l O-PO, mg/l T-PO4 mg/l 10.2lt^ 10.25.60 10.26.60 10.27-^ 10.28.60 1034 11.27 58.5 60 U.O 3.3 39 38 2.95 I6I.7 2315 60 lt.3 I..9 1.9 01+27 OTIO 58 58 5.0 I..9 1.9 1.8 5.23 1010 1353 58 60 1..8 U.O 1.7 uo 1..91 1620 1950 61 60 1..7 U.O 1.7 6.25 2235 0133 59.5 59.5 5.6 5.9 55 53 6.61 060I. 0803 57 58 I..3 I..1 1.1 1«5 5.17 ni8 11.12 60.5 60 3-6 1..6 36 1.6 5.28 1705 2020 59.5 59 6.1. 1..6 63 1.5 7.1.7 2300 0120 58.5 57 5.6 1..3 55 1.6 5.1.1 01.23 0710 56.5 56 1..5 1..5 1.3 1.3 5.1.6 1020 1330 57.5 58 U.l 5.1 to 50 I..92 1805 2035 58 53 6.0 6.8 58 66 k-so 22M 0135 57 57 6.2 60 52 3.k7 01.27 0725 55 55.5 5.0 U.6 1.7 1.3 2.36 RANGE "*'"""" HHnuc MINIMUM 61 55 6.8 3.6 66 36 7.1.7 2.36 AVERAGE 57.5 1..9 1.8 1..99 STATION: Upstream from Mouth of Aae rlcan River MILE 60.5 DATE TIME PST TEMP "F mg/l DO It SAT 5 Day BOD mg/l ABS mg/l 0-PO, mg/l T-PO« mg/l 10.2U.60 10.25.60 10-26.60 10.27.60 10.23-60 09U0 IU17 62 62 9.2 7.9 9U 81 I6U0 2305 62 61 8.1 8.9 83 90 0U3I 0718 60 60 9.2 9.2 92 92 1016 lUoo 61 61.5 9.3 7.9 9U 80 1£30 2000 61.5 61 7.3 8.9 79 90 23U5 OIU5 60.5 60.5 3.9 9-5 89 95 0600 0810 59 59 9.1 9.2 39 90 1125 IU20 61.5 61 9.5 9-3 96 9U ITI5 2023 61 60.5 9.6 9.2 97 92 2310 0125 59.5 59 9.6 9.6 95 9U OU3O 0716 57 57.5 9.5 9.5 91 92 1023 1333 59 59.5 9.5 9.5 93 9U 1315 2033 59-5 59 9.9 7.7 93 75 22U5 OIU5 59 53.5 9.7 9.5 95 93 OU33 0730 58 57.5 9.6 9.5 93 92 RANGE """""U" """^ MINIMUM 62 57 9.9 7.7 98 75 AVERAGE 60 9.1 91 T-lUO TABLE T-l5(Cont(nued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28, I960 STATION tm rlcji Wv er MILE 60. kL D4TE TIME PSI TEMP •F m,/l 00 %SAT 9 Ooy BOO m,/l «es mg/l O-PO, T-PO. mg/l EC.K)» 01 25' C 10-2I*.60 lD.25-60 10-26.60 K>-27-60 L0-:e.6o 1U5 (M 10.2 106 1.85 83.6 1730 67 10.5 113 2.91 70.0 2335 6i> 9.6 100 1.39 92.8 0515 (A 9.0 9* 1.32 85.1 nin (M 9.7 101 k.97 112 1715 66 10.2 109 1.28 8b. 2 2315 65 9.5 100 1.1.7 1*0 0510 63 8.9 92 2.37 70.0 1115 63 9.6 99 3.2fi 71.. 1715 61. 10.0 104 1.96 91.0 2315 61i 9.2 96 3.33 77.3 0510 58 9.2 89 3.61 73.0 iiin 61 9.8 99 1.72 80.5 1715 6I> 10.2 106 1.72 98.7 2315 63 9.1' 97 2.U9 72.2 0515 59.5 9.0 89 2.12 75-3 RANGE "»«'""" "^" MINIMUM 67 58 10.5 8.9 113 89 l'.97 1.28 lUO 70.0 AVERAGE 63 9.6 100 2.55 86 STATION At root of BnMdwvs . NlUar Put MILE 58.2 OATE TIME PST TEMP 'f 00 mg/l 00 XSAT SOojBOO mg/l AB5 mg/l o^>o, mg/l T.PO. mg/l ECIO' » 25-C 10-24-60 U'25-6a 10-26.60 10.27-60 10-28-60 1022 IkOO 61.5 62 9.3 6.9 94 70 0.87 1629 62 7.9 81 a.dk 2248 61 8.5 86 0.69 0418 0658 60.5 60 9.3 9.2 93 92 1.63 1000 1338 61 61.5 9.3 8.5 94 86 1.45 1615 19 J7 61.5 61 8.5 8.9 86 90 1.22 0122 61 60.5 9.4 9.3 95 93 1.89 0543 0752 61 60 9.4 9.2 95 92 1.25 1058 1400 62 61 1:1 i? 1.61 1655 2003 61 60.5 9.3 7.5 94 75 1.68 2247 0105 60 59. 5 9.5 9.4 95 93 1.92 04U 0656 59 58 9.4 9.4 92 91 1.84 1004 1318 59 59. 5 '•5 9.6 92 95 1.57 1750 2020 59.5 59.5 9.8 U.l 97 100 1.66 2230 0117 59 59 5:1 83 94 2.00 0419 0714 57.5 57 9.5 9.5 92 91 3.74 ..„., MAXIMUM "'""'^ MINIMUM 62 57 10.1 6.9 100 70 3.74 0.66 AVERAGE 60 9.1 90 1.60 STATION Veit 8«eraaeato S«WMe TreatJ&ent Plant MIL 58.0t DATE TIME PST TEMP •F mg/l D %SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l EC .10* ot 25- C 10-24-60 10-25-60 10-26-60 10-27.60 10-28.60 ^glft 74 123 1490 1925 74 184 1510 0025 74 134 1210 0620 72 106 1180 1210 73 115 6.2 25 29 1290 1820 73 164 1510 0025 73 131 1280 0630 72 145 1160 1210 74 161 1410 1820 73 203 1540 0015 72 141 1320 0630 70 15* 1220 1215 73 137 1670 1815 73.5 166 1510 0015 n 158 1220 0620 70 U4 1160 BANrF MAXIMUM """^^ MINIMUM 74 70 203 106 1670 U60 AVERAGE 72.5 146 1 1355 1 STATION At BcnconA #53 and 1I54 MILE 56. T DATE TIME PST TEMP •F mg/l 00 %SAT 5 Doy BOO mg/l ABS mg/l O-PO, mg/l T-PO, mg/l 10-24.60 10.25.60 10-26.60 ID.27.60 1012 1330 61.5 62 9.5 9.0 96 92 1622 2113 62 61.5 8.2 7.4 S4 75 2235 0406 61.5 60 9.3 9.3 94 93 0650 0954 60 60.5 9.2 9.4 92 94 1333 1607 61.5 62 7.7 9.0 78 92 1930 2210 61 61 9.0 7.9 91 80 0115 0535 60.5 ai.5 9.3 9.3 93 93 0743 1054 60.5 62 9.1 9.4 91 96 I33t 1647 61 61 9.0 9.5 91 96 1957 2238 60.5 60 ^:l 92 98 0055 0405 60 vx 9» 92 0654 0957 58.5 59 9.5 9.5 93 93 1J12 1745 59.5 59.5 9.4 9.9 II SOU 2B0 59.5 9.1 9.6 ss 0112 0413 59 58 1:1 94 93 0T09 58 9.5 92 RANGE "*»"■>« NAifUt MINIMUM 62 58 9.9 7.4 98 75 AVERACC 60 9.2 92 T-lUl TABLE T-l5(Conlrnued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28, I960 STATION. At Baacon #51 - CaDtaliu Taljle MILE 55.5 DATE TIME PST TEMP DO mg/l DO %SAT SOoyBOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l W-sU.60 10-25-60 ljO-26.60 10.27-60 10-26-60 1006 1317 62 62 9.3 8.8 95 90 1613 2100 61.5 61.5 T.5 8.2 76 83 2225 0358 61.5 60.5 8.8 9.1 89 91 06t7 ogitS 60 61 9-3 9.3 93 91. 1327 1558 62 62 T.5 8.2 77 81i 1925 2205 61 61 7.0 8.6 71 87 0110 0528 61 60.5 9.3 9-1 91. 91 0738 10l>9 59.5 62 9.h 9.1. 96 1329 161(0 61.5 61 9.0 9.6 91 97 19k7 2230 60.5 60 9.1. 91. 9l> 0051 0355 59-5 58.5 9.5 9.1' 9lt 92 0650 0951. 58.5 59.5 9.1. 9.k 92 93 1305 1705 59-5 59.5 9.1. 9.7 93 96 2006 2215 69 59 9-5 8.1. 93 82 0107 OI1O9 58.5 58 9-5 9.6 93 93 0703 58 9.5 92 RANGE ""ll"U" "'"'" MINIMUM 62 58 9.7 7.0 97 71 AVERAGE 60 9.0 90 STATION At MIL 5I..2 DATE TIME PST TEMP DO mg/l DO % SAT 5 Day BOD mg/l ABS mg/l O-PO4 mg/l T-PO< mg/l IO-2U-6O 10-25-60 10-26-60 10-27-60 10-28-60 0952 1305 61.5 62 9.3 8.6 91. 66 1.26 1603 2C1.8 62 61.5 7.0 8.5 71 86 0.93 2210 61.5 8.9 90 0.75 03W 06I.I 60.5 60.5 9.2 9.2 92 92 1.62 O9U1 1310 61 62 9.3 7.5 91. 77 1.57 1547 1908 62 61 8.2 6.0 8I1 61 1.38 2158 0103 61 60.5 6.2 9.1' 63 91. l.k7 0520 0733 61 60.5 9.2 9.1 93 91 1.18 10U5 1322 61.5 61.5 9.3 8.9 9'' 90 1.60 1630 19W) 61 60.5 6.6 9.3 67 93 2.55 2220 O0lt3 60 59.5 9.2 9.1. 92 93 1.6lt 0350 061.5 59.5 59 9.1. 9.5 93 93 l.W 0950 1255 59 60.5 9.5 9.2 93 92 1.91 I65l> W55 60 59.5 8.0 9.2 80 91 i.-n 2205 0059 59 53.5 e.u 9.6 82 91. 2.16 OWA 0657 58 58 9.5 9.1> 92 91 2.57 RANGE ] MAXIMUM AINIMUM 62 58 9.6 6.2 91. 63 2.57 0.75 AVERAGE 60.2 8.8 88 1.61 STATION Sacramento Sewage Treatnent Plant MILE 51.. IL DATE TIME PST TEMP "F D mg/l DO % SAT 5 Doy BOD mq/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC « 10^ 11 25»C IO-2I1-6O 10-25-60 lD-26-60 10-27-60 10-23-60 1030 71. 156 666 1635 76 128 732 2250 75.5 U5 (115- 31. Hr. omp.) 686 OU35 73.5 121. 681 1025 75 139 3.2 11 15 672 1630 71. 122 1..2 19 23 70U 2230 76 162 (155 - =1. Br. omp.) 71.6 01.20 71. 11.3 661. 1030 76 161. 687 1630 76 172 769 2230 75.5 11.1 (156- 21* Hr. ■»P.) 775 0U30 75 167 681 1030 76 lUO 652 1630 75 11.7 722 2230 75.5 157 732 0U30 76 151. 711 t>.Mrc MAXIMUM """■^ MINIMUM 76 73.5 172 U5 775 652 AVERAGE 75 1 1 - 705 STATION: At Brickyard MILE 53.2 DATE TIME PST TEMP "F DO mg/l 5 Doy BOD % SAT mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 10-21^^ 10-25-60 10-26-60 10-27-60 10.28-60 09M 121.7 62 62 9.2 8.3 91. 85 1550 2033 62 61.5 7.6 8.7 78 88 03tlO 0637 60.5 60.5 9.1 9.2 91 92 09M> 1253 61 62 9.3 6.7 91. 69 1537 1855 62 61.5 8.5 8.1. 87 65 21U5 0055 61 61 6.0 9.1 61 92 0512 0725 61 60.5 9.1 9.1 92 91 1031. 1310 61.5 62 9.2 9-1 93 93 1620 1928 61 60.5 9.1 9.0 92 90 2208 0035 60.5 59 9.1. 9.3 91. 91 03I.7 0637 59.5 59 9.3 9-3 92 91 091.3 121.7 59 61 9.1. 9.2 92 93 I6I.3 I9I.5 60 59.5 9.5 9.3 95 92 2151. 0050 59 58.5 8.0 9.5 78 93 0356 0652 56.5 56 9.5 9.5 93 92 RANGE ""Xl"^" HANbC MINIMUM 62 56 9.5 7.6 95 78 AVERAGE 60.5 9.0 90 T-ll+2 TABLE T-l5{Contmu«d) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28. I960 STATION «t Beacon* ^2 «i*l ^^^ MILE 52.3 DATE TIME PST TEMP mg/l DO XSAT 5 0o>B00 mg/l Aes mg/l 0-PO, mg/l T-PO, mg/l 10-2k-60 ii>-2;-6o 10.96.^ 10-S7-60 10-S8-60 09li3 12U5 62 62 9.3 9.0 95 92 151*0 2023 62 61.5 8.2 7.8 81. 79 0330 0630 60.5 60.5 9.1 9.1 91 91 0930 121.5 60.5 62.5 6.7 8.5 87 87 1530 I8I45 62 61.5 8.0 5.7 82 58 2136 0050 61 61 7.1 9.1 72 92 0505 0720 61 60 9.0 9.2 91 92 1030 130* 61.5 61.5 9.U 9.0 95 91 1612 1S23 61.5 60.5 lO.l. 9.1. 105 91. 2200 0030 60.5 60.5 9.5 9.S 95 92 0337 0633 58.5 59 9.2 9.3 90 91 S? 59 61 9.5 9.2 93 93 16M1 19kO 60 59.5 9.1. 8.8 91. 87 2150 001.5 59 59 9.5 9.2 93 90 0350 0645 58.5 58 9.1. 9.1. 92 91 ..„.P MAXIMUM MINIMUM 62.5 58 lO.k 5.7 105 58 AVERAGE 60.5 8.9 89 STATION At ••UOD tn MIL 50.9 DATE TIME PST TEMP •F 00 mg/l 00 XSAT SDoyBOO mg/l ABS mg/l O-PO4 mg/l T.PO4 mg/l 10-2k-60 10-25.60 10-27-60 10.28-60 1217 62 9.2 91. 1732 62 9.2 91. 1.91 2205 0005 61.5 61 9.1 9.1 92 92 02M 0527 61 61 9.2 9.1 93 92 OfilB usrr 60.5 62 9.1 9.1 »1 93 lk27 62 9.3 95 1711. 2102 62 62 9.3 9.2 95 91. 2.W. 231.5 02WI 61 61 9.2 9.1 93 92 ^ 61 61 9.2 9-3 u UI.7 11.37 61.5 62 9.5 9.5 96 97 171.7 S058 61 60.5 9.1. 9.3 95 93 2.37 02b2 60 60 9-3 9.2 93 92 05*0 081k 60 60 9.2 9.3 92 93 UU. Ik23 60 60.5 9.1. 9-6 91. 96 3-07 1728 20U> 59.5 9-5 9.1. 95 93 2.n 2338 0221. 59 59 9.1. 9.1. 92 92 2.62 0521. 0830 59 59.5 9.1. 9-k 92 93 2.83 RANGE •"I"""" """""■ MINIMUM 62 59 9.6 9-1 97 91 3.07 1.91 AVERAGE 61 9.3 93 2.57 STATION At Beacon #35 MILE kj.e DATE TIME PST TEMP •F mg/l DO % SAT 5 Day 600 mg/l ABS mg/l 0-PO, mg/l T-PO. mg/l 10-2U.60 ID.25.60 10.27-60 ioje.60 1210 1721. 62 62 9.2 9.2 9k 9k 2157 2359 61.5 61.5 9.1 9.1 92 92 0233 0522 61 61 9.1 9.0 92 91 0811 1122 61 62 9.1 9.1 92 93 VtZO 1706 62 62 9.3 9.3 95 95 2051. 2337 62 61 9.1 9-2 93 93 022k 0612 61 61 9.1 9.2 92 93 0838 1135 61 61.5 9.2 9.3 93 9k lk29 1737 62 61 9.5 9.k 97 95 20k8 2323 61 60 9.k 9.3 95 93 02k9 0532 60 60 9.1 9.k 91 9» 0807 1108 60 60 9.3 9.k 93 9k 171* 61 60 9.5 9.k It 9» 2032 2327 99.5 59.5 9.* 93 93 92 0216 0516 59 59 9-3 9.3 91 91 oeis 99 9.} 91 _,„.. MAXIMUM NAitv^c MINIMUM 6( 59 9.5 9.0 97 91 AVERAGE 61 9.3 93 STATION At Beacon ^ 3 MIL kS.k DATE TIME PST TEMP •F D mg/l DO % SAT 5 Dor 800 mg/l ABS mg/l O-PO4 mg/l T-PO. mg/l I0.2k.60 U>.25.«0 10.26.60 10-27.60 lO.2e.6O 1158 1716 62 62 9.1 9.1 93 93 2lk7 2352 62 61.5 8.9 9.0 91 91 022k 051k 61 61 9.0 9.0 91 91 0606 UI3 60.5 61.5 9.1 9.0 91 91 ^ 62 62 9-3 9.2 95 9* 20k3 2323 62 61 9.0 9.0 98 91 0218 0605 61 61 9.0 9.0 91 91 oase 1126 61 62 ».l 9.1 98 93 IkSO 1727 62 61 9.k 9.k 96 95 MkO 2Jlk 61 60 9. J 9. J 9k 93 0290 0521 60 60 9> 9.8 98 oaoo 1055 60 60 9.8 9.3 93 IkOk ITIS 61 «0 ».5 9i ao!k 2317 60 60 9-3 9k 93 oeoT 0508 » 99 9.3 ♦ 3 91 91 0811 59 »-3 91 RANGE •"«"«« NANbt MINIMUM 6* 99 9» 8.9 96 n AVERAGE 61 9.2 »3 T-1U3 TABLE T-l5(Conlinued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28,1960 STATION Meadowvlev Swafie Treataen Plant MILE I17.7I 04TE TIME PST TEMP D mg/l 00 %SAT 5 Doy BOO mg/l ABS mg/l 0-PO, m9« T-PO4 mg/l ECHO' Ql i5»C 10-211.60 1jO-25-60 10-26-60 10-27-60 10-28-60 10O5 71. 196 1097 1610 71. 175 960 2230 73 166 879 OlllD 72 137 956 1005 7S 179 ID U2 1.8 1020 1605 7I4 168 15 55 63 921 2205 73 162 821. OllOO 71 lltS 856 1000 70 191 873 l£05 71 236 870 2205 70 160 791 OI1O5 70 160 81I4 1000 70 158 871. 1605 72.5 16U 839 2200 72 153 732 0llO5 70 1''5 753 r,..^r MAXIMUM 71. 70 236 137 15 10 55 U2 63 1097 732 AVERAGE 72 169 13 1.9 56 879 station: At Beacon i!30 MILE U7.I DATE TIME PST TEMP D mg/l DO %SAT 5 Day BOO mg/l ABS mg/l O-PO4 mg/l T-PO4 10-21t-6O 10-25-60 10-26-60 10-27-60 10.28-60 UU5 1708 62 62 9.0 9-1 92 93 2137 23W» 62 62 8.9 9.0 91 92 0215 0506 61.5 61 9.0 8.8 91 89 0800 1108 61 62 8.9 9.0 90 92 II4O7 1652 62 62 9.2 9.2 91. 91. 2035 2313 62 61 8.9 8.8 91 89 0200 0600 61 61 9.0 9.0 91 91 0815 ma 61 61.5 9.0 9.1 91 92 U12 1717 62 61 1:1 95 95 2030 2306 61 60.5 9.3 9.2 9lt 92 0225 0512 60 60 9.2 9.2 92 92 0757 IOU7 60 60.5 9.1 9.2 91 92 1353 1703 61 60.5 9.3 9.U 9lt 91. 2013 2307 60 60 9-3 9.2 93 92 0200 0501 59.5 59 9.2 9.2 91 90 0803 59 9.2 90 „..^r MAXIMUM ""■^E MINIMUM 62 59 9.1. 8.8 95 89 AVERAGE 61 9.1 92 STATION Downatrean fl^om Freeport Bridge MILE 1.6.3 DATE TIME PST TEMP "F DO mg/l D % SAT 5 Doy BOD mg/l ABS mg/l 0-PO, mg/l T-P04 mg/l IO-2U-6O 10-25-60 10-26-60 10-27-60 10.28.A) 1120 1700 62 62 9.0 9.1 92 93 2100 62 ... 1.77 2326 0155 62 61.5 §•9 8.9 91 90 2.20 0IA8 0750 61 61 8.7 8.7 88 88 3.68 0.1 O.k 0.6 low 1358 61.5 62 8.7 9.1 88 93 2.02 0.0 0.3 0.5 16I1O 2018 62 62 9.2 9.0 9U 92 I.6I1 2301 0150 62 61 8.8 9.0 90 91 2.15 0528 0758 61 61 9.0 9.0 91 91 2.93 1353 61.5 62 9.1 9.2 92 9I' 1656 2013 61 61 9.1. 9.3 95 9k i.aa 2255 0202 60.5 60 9.2 9.0 92 90 0k55 07U5 60 60 9.0 9.1 90 91 IDllO I3I46 60 61.5 9.2 9.3 92 9l» 2.78 1652 2OOI1 60.5 60 9.1. 9.3 9k 93 1.88 2258 0152 60 59.5 9.2 9.1 92 90 2.U 0U5O 0755 59 59 9-1 9.1 89 89 3.26 RANGE 1 DAXIMUM HINIMUM 62 59 9.U 8.7 95 88 3.68 1.61. 0.1 0.0 0.1. 0.3 0.6 0.5 AVERAGE 61 9.1 91 2.36 0.1 0.1. 0.6 station: At Beecon #26 MILE 1.5.1 DATE TIME PST TEMP "F DO mg/l 00 % SAT 5 Doy 800 mg/l ABS mg/l 0-PO, mg/l T-P04 mg/l 10-2U-60 10-25-60 10-26-60 10-27-60 lD-28-60 1110 1653 62 62 6.9 9.0 91 92 201.8 2318 62 62 9.0 8.8 92 90 OIM OUllO 61.5 61 8.6 8.9 87 90 071.5 101.2 61 61.5 8.6 8.6 87 87 131.7 1633 62 62 8.7 9.0 89 92 2010 2253 62 61 8.7 8.8 89 89 0110. 0515 61 61 8.7 8.8 88 89 O7I.8 1057 61 61.5 8.8 8.8 89 90 131.3 161.7 62 61.5 9.0 9.3 92 91. 2001. 221.7 61 60.5 9-3 9.2 91. 92 0153 010.9 60.5 60 8.8 9.0 88 90 0737 1031. 59.5 60 9.1 9.1 90 91 ]Rl 61 61 9.2 9.3 11 1956 225U 60 60 9.2 9.2 92 92 01U2 0U.3 60 59 9.0 9.0 ^ 07I.7 59 9.1 90 -~^E TnIT 62 59 1:1 91. 87 AVERAGE 61 9.0 90 T-lUU TABLE T-l5(Conlinu«<)) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28, I960 SMTIW «1 kacM #» MILE k3.k DATE TIME PST TEMP fng/l 00 %SAT 5 Dor BOO mg/l A8S n>«/l O-PO4 m9/l T-PO4 iO-tf-iO 10-26-60 lD-^7-60 i0.9a-6o 1055 62 e.6 88 16*} »3S 6t 62 8.8 9-9 90 101 2.20 »J05 OlM 62 61.5 8.6 8.l> 98 85 Ok 30 0733 61 61 8.6 8.5 87 96 1030 U38 61.5 62 8.l> 8.5 85 »7 I6ak 2000 62 6t 8.8 8.k ^ 2.16 22llO 0136 62 61 8.k 8.6 86 87 0500 •735 61 61 8.6 8.6 87 87 16k7 1333 61.5 62 8.7 8.6 88 88 1636 1953 61.5 61 9.0 9.0 91 91 1.91 2236 OlU 61 60.5 9.0 8.8 91 88 ouo 0729 60 59.5 8.7 8.9 8T 88 1025 1326 60 62 8.9 9.1 89 93 2.6k 1632 19*7 61 60 91 9.1 92 91 2.13 2038 0132 60 60 9.0 8.9 90 89 1.57 01.33 0737 59. 5 59 e.8 8.9 87 87 2.22 RANGE 1 MAXIMUM MINIMUM 62 59 t.l 101 85 2.6k 1.57 AVERAGE 61 8.8 89 2.13 STATION Aai iflcui CmtAl SUMT Co* •sny «t C LmrfcAbunt HILI k^.« DATE TIME PST TEMP •F 00 n,/l 00 %SAI SOorBOO mg/l ASS O^-O, m 10*" Ot 25"C IO-2I..6O 10-25-60 10-26-60 10-27-60 10-28-60 1025 1338 62 63 3.2 3.3 81. 86 1-79 16U1 63 8.6 89 1-59 2310 0137 62 62 8.2 8.0 31. 32 1.86 0535 0708 60 61 8.2 8.1. 82 85 2.30 1703 1952 62 62 3.3 3.3 85 85 1.57 22lU> 0535 62 62 8.2 3.2 81. 81. 2.1.3 01.31. 071.5 62 61 7.9 8.2 31 83 2.31. 1021 1330 62.5 63 8.1. 3.6 86 89 1.91 1600 1906 62 61 3.2 8.3 81. 31. 2.1.2 2250 0202 61 60.5 8.2 7.5 83 75 2.1.5 01.23 0710 60 60 8.3 3.5 83 85 2.37 1007 1310 61 62 9.2 8.8 93 90 1.60 1602 1953 61 60 8.U 8.5 85 85 1.82 2205 0135 60 60 8.1. 8.0 81. 80 2.32 01.22 O6U 60 59-5 8.1 8.3 81 82 3.02 „.., , MAXIMUM "•""^ MINIMUM 63 59.5 9.2 7.5 93 75 3.02 1.57 AVERAGE 61.5 8.3 81. 2-10 STATION At Beacon MILE 35.9 DATE TIME PST TEMP »F DO mg/l DO %SAT 5 Ooy BOO mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l 10-21^-60 10-25-60 10-26-60 10-27-60 10-28-60 1017 1326 62 62.5 7.9 8.3 31 85 1626 2238 63 62 2-3 8.1 86 83 0123 0519 60 60 8.1 3.1 81 81 0703 1650 62 62 8.1 8.1 83 83 191.3 0221. 62 62 8.2 8.0 81. 82 0U2li 0739 62 61 6.5 7.7 66 78 1011. 1320 62.5 62 7.9 8.2 81 81. 1553 1855 62 61 8.U 8.2 86 83 2235 0150 61 60.5 8.0 8.1 81 81 ol.ll. 0702 60 60 7.7 8.0 77 80 1000 1300 61.5 62 8.5 8.8 36 90 1551 ISllO 61 60 8.5 91 85 2157 012I. 60 60 S.3 8.3 83 83 01.13 0638 59.5 59 8.0 8.1 79 79 RANGE «"XI""W "'"" MINIMUM 63 59 9.0 6.5 91 66 AVERAGE 61 8.1 82 T-1U6 TABLE T-l5(Conlinued) SACRAMENTO RIVER WATER POLLUTON SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28.1960 ST4TI0N SOMtb End of CourtlinJ MIL V..k DATE TrME PST TEMP mg/l 00 % SAT 5 Do, BOO mg/l Aes fng/l 0-P04 (ng/l T-PO, (Tig /I 10-2I>-60 10-25-60 10-S6-60 iD-sn-60 io-2e.&> 10O£ 1310 62 «3 7.8 8.0 80 82 1-99 l£l3 63 8.3 86 1.46 2225 0118 62 61 8.1 8.1 83 82 1.70 0510 0655 60 62 8.1 8.1 81 83 2.IW 1633 1927 62 62 8.2 8.1 8I1 83 1.33 021U 62 8.1 63 2-51 Olill. 0732 62 61 6.8 7.5 69 76 2.27 1007 1305 62.5 62 7.9 9.0 81 92 2.07 I5l<0 I8I45 62 61 2-' 8.2 87 83 1.62 2220 OlIlO 61 60 8.0 8.1 81 81 1.81 OM15 O65I' 60 59.5 7.7 7.8 77 77 2.63 0952 1250 61 62 8.2 8.6 83 88 1.86 I5M 19 3I' 61 60 8.6 8.3 87 83 1.62 211.5 OUb 60 60 8.2 8.1 82 81 1.71 0403 0633 60 59-5 8.0 7.8 80 77 2.85 RANGE \ AXIMUM INIMUM 63 59-5 9.0 6.8 92 69 2.85 1.33 AVERAGE 61 8.1 82 192 STATION 1 Wlc DovTutm MILE «.» DATE TIME PST TEMP •F 00 XSAT 5 Dot BOO mqll ABS m,;i O-PO4 mg/l IO-2I1-6O 10-25-60 10-26-60 1O-27-60 10-28-60 0958 1302 62 63 7.4 7.8 76 80 1602 2215 % 8.3 7.8 86 80 0110 0457 60 60 7.9 8.1 g 0649 1623 61 62 7.9 8.2 80 84 1921 0206 62 63 8.2 8.1 84 84 04O5 0727 63 61 7.8 7.3 80 74 1002 1302 62 61.5 7.5 7.7 n 78 ^1" 1833 62 61 8.1 8.3 83 84 2215 0135 60 60 ?:i 83 76 0455 0648 59-5 60 8.2 7.7 81 77 0947 1245 61 61 5-5 8.2 84 83 1926 61 60 8.1 8.5 82 85 2139 01fl5 60 60 8.3 8.0 83 80 0355 0628 60 59-5 ?:i 83 77 RANGE """""" RANGE MINIMUM 63 59.5 8.5 7.3 86 74 AVERAGE 61 8.0 80 STATION 1 Hlle DOHMtre 0100 60.5 60.5 7.5 7.7 75 77 1-50 182 177 031.5 0730 60.5 60.5 8.1 8.3 81 83 1.73 IB6 176 RANGE MAXIMUM MINIMUM 63 60 8.3 7.3 83 73 1.87 0.99 207 176 AVERAGE 61.5 7.7 78 1.36 185 STATION: Dovnstreaffl fron Haljiut Grove BrldAe MILE 26.8 DATE TIME PST TEMP "F D mg/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 10-21.-60 10-25-60 10-26-60 lJO-27-60 10-28-60 UOO 1320 62 62 7.8 7.9 80 81 2210 0220 62 62 7.1. 7.1. 76 76 0700 O9I.O 62.5 62.5 7.3 7.1 71. 72 1225 1955 62.5 61 7.5 7.1 n 72 2230 0125 61.5 62 7.U 7.6 75 78 01.15 0650 62 62 7.6 7.6 78 78 0955 1225 62 62.5 7.7 7.9 79 81 1520 1835 62 61 7.9 7.7 81 78 2150 OUO 61 61.5 7.7 7.1. 78 75 01.30 0730 61.5 7.8 7.5 79 1350 1520 61 60.5 7.9 7.8 30 78 1830 2135 60.5 60.5 7.6 7.8 76 78 0050 03I.O 60 60.5 7.8 7.7 78 0725 60.5 8.0 80 RANGE MAXIMUM MINIMUM 62.5 60 8.0 7.1 81 72 AVERAGE 61.5 7.6 77 1-lkQ TABLE T-l5(Continu«d> SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28,1960 STATION 1 MIU »■ «n«\r* m mm ftMOM MILf n.5 DATE TIME PST TEMf> D 00 %SAT SOoyBOO mg/l ABS mg/l O-PO4 mg/l T-PO. mg/t 10.29-60 1»55 1310 ft 7» i-r oeio (a ee ?2 1.17 oejo 6t 7» 1.31 09» UK (a 63 TO 73 1.19 19*5 60.J 71 1.17 aao oil) £1 0.91 sue o«5 6s 68 77 77 l.» 0950 12» 6e 62 79 77 1.0k 1515 1B30 68.5 61.5 as So i.ko 2Di5 0100 61.5 61.5 77 75 i.ao 07M lt-» ao 80 1.50 1515 61 61 76 79 1.53 iBeo 60 7.9 79 1.5* 2125 OOllO g-' 7.8 7.7 78 77 l.k3 0330 0700 60 60.5 7.5 8.: 75 82 1.55 RANGE 1 tAXIWUM MINIMUM 63 60 8.2 6.9 82 70 1.55 0.91 AVERAGE 61 7.5 77 1.31 STATIOA M ■>«* MILE «k.J DATE TIME PST TEMP •F 00 1.^/1 00 %SAT SDoBOO mg/l ABS mg/l 0-PO, mg/l T-PO« mg/< 1». ft ft 7.6 7.8 n 80 SS ft.5 61.5 7.8 7.9 80 80 2135 00)5 61 61.5 7.9 7.7 80 78 OklO OTIO 61.) &1 7.7 7.) 78 76 SI 61 ft.5 7.6 7.6 77 76 1510 lai) 60.5 ft.) ■Ti 79 2U0 0030 60 60 7.) 7.5 75 75 SI? 60.5 60.5 S.l 7.7 81 ■n „..„^ MAXIMUM ""OE MINIMUM 63 60 8.1 7.1 81 AVERAGE 61.5 7.6 77 STATION auX MIL 21.3 DATE TIME PST TEMP m,/l DO %SAT 5 Doj BOO mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l 10-2».60 10-25-60 10-26.60 1D.J7.60 10.28.60 lOkO 130O 61.5 62 7.5 7.3 76 7k 1.79 2135 0150 61.5 62 7.9 7.3 80 71. 1.2k 0630 62 7.2 n l.H 0920 1205 tl 7.1 7.6 3 1.12 1930 61 7.6 n 1.28 2205 OUO 60.5 62 7.7 7.3 77 7k 0.9k 03*5 0630 62 61.5 7.5 7.7 77 78 1.23 0930 1210 62 62 8.8 7.6 ?? 1.18 1505 1815 62.5 61.5 7.7 7.7 79 78 1.20 2130 00k5 61 61.5 8.0 7.k 81 75 1.10 OkOO 0700 61.5 61 7.6 7.k 77 75 1.60 0925 61 7.6 n i.aS 1335 60.5 7.9 79 LOD 60 60.5 1.1 S l.3k 2115 0020 60 60 7.6 8.0 76 80 l.k3 03U 06ko 60.5 60.5 7.7 7.7 77 77 1.35 RANGE IIAXIMUM illNIMUM 63 60 8.8 7.1 90 73 1.79 0.9k AVERAGE 61 7.6 77 1.30 STATION Vtrttmme MILi 28.3 DATE TIME PST TEMP •F DO mg/l 00 %SAT 5 Doy eOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l U.2k.6o 10.25.60 10.26.60 10-27.60 1O..2S.60 1035 1250 61.5 62 8.k 7.3 95 7k 2125 0130 61.5 63 7.7 7.3 78 7k 0620 0915 62 62.5 7.) 7.3 7k 1200 2200 62.5 61 7.k 7.6 76 n 0050 03ko 62 61.5 7.3 7.9 7k 80 0620 0920 61.5 62 7.5 7.6 76 7» 1205 1500 62 62.5 7.7 7.9 s 1810 2125 61.5 61 7.7 7.8 7S 79 0035 0355 61 61.5 8.1 7.) 82 76 0650 091) 61 61 7.) 7.k 76 75 1)00 180) ft.) ft.) 7.8 7.6 7« 1i 2UD OOIC ft ft 7.8 8.1 78 81 0)05 06)5 ft ft.) 8.1 7.6 81 RANGE 1 lAXIHUM IINIMUU ft.5 ft 8.k 7.3 8) 7k AVERAGE 61.5 7.7 78 T-1U9 STATION At Beacon 21.1 DATE TIME PST TEMP 0,0 mg/l DO % SAT 5 Oo» BOD mg/l ABS mg/l O-PO4 mg/l T-PC, mg/l 1D-S5-60 10-26.^ 10-27-60 U-a8-60 1025 02115 61.5 62 8.1 7.3 82 7l« 1.21 2U5 01£0 61.5 61.5 8.0 7.5 81 76 1.21 0615 62 7.3 71. 103 0910 1155 62.5 62.5 7.1 7.1 72 72 1.17 1920 60 7.7 77 1.22 2150 0035 60.5 62 7.7 7.6 77 78 1.02 0335 0620 61.5 61.5 ]i 7k n 1.20 0910 1200 62 62 7.6 7.8 78 80 1.22 D>55 laeo 62 61 7.7 7.9 79 80 1.10 2120 0025 60.5 61 7.9 8.0 79 115 0350 06to 61.5 61 7.6 ao 77 1.38 D.55 1755 60.5 60.5 8.1 7.7 81 77 1.22 2105 0005 60 60 8.0 8.3 80 83 1.19 0300 0630 60 60.5 7.7 7.5 77 75 1.55 RANGE ] 1IAXIMUM MINIMUM 62.5 60 8.3 7.1 83 1.55 1.02 AVERAGE 61.5 7.7 78 1.21 TABLE T-15 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28, I960 STATION 1.0 UUa Itora«tl«ai DATE TIME PST TEMP 00 mg/l DO •fcSAT 5 Doy BOD mg/l ABS mg/l 0-PO, mg/l T-PO4 mg/l 10-2k-6o 10-25-60 10-26.60 10-27-60 10-28-60 1020 12k0 61 61.5 7.9 7.5 80 76 911ft 0105 61.5 62 8.3 7.3 ek 711 0611 090c 62 62.5 7.3 7.3 TV 7k s^ 62.5 61 7.1* 7.9 75 80 0025 0325 62 61.5 7.6 7.3 78 73 0615 0905 61.5 62 7.5 7.6 76 78 1155 1*50 62 62 8.2 7.8 Sk 80 1T55 2115 61 60.5 7.9 8.1 80 81 0015 03I1O 61 61.5 7.8 7.8 19 19 0635 1I150 61.5 60.5 7.7 8.3 18 83 1750 2100 60.5 60 n -& 0000 0255 60 60 8.l> 7.9 8k 19 0620 60.5 7.6 76 RANGE 1 MAXIMUM rtlNIMUM S-5 60 8.I1 7.3 8k T3 AVERAGE 61 7.8 19 STATION. At Brldfie MILE 16.8 DATE TIME PST TEMP "F mg/l DO % SAT 5 Do, BOD mg/l ABS mg/l 0-PC4 mg/l T-PO, mg/l lD-2k-60 10.25-60 10-26-60 10-27-60 10-28.60 1015 1230 60.5 61.5 8.0 7.8 80 19 l.Ol 2100 0050 61 62 8.6. (10.6)* 81. (108)* 1.58 060; 62 7.0 n 1.81 0855 llko 62 62.5 vx 71 78 1.05 1905 61.5 8.1 82 l.kk 2135 61 8.6 87 1.20 0010 61.5 8.k 85 0315 0600 62 61.5 7.5 7.3 71 Ik 1.16 0850 llkS 62 62 7.8 7.9 80 61 1.81 Ikks 17k5 62 61.5 7.8 1.8 80 19 1.50 9T1ft 0010 61 61 8.0 1.1 81 78 0.81 03^0 o6io 61.5 61.5 7.9 1.9 80 80 1.35 lkk5 17k5 60.5 60 8.k 8.1 8k 81 1.52 ao55 2350 60 60 8.k 8.5 8k 85 1.52 02k5 0610 60 61 8.3 7.5 16 l.kl RANGE \ MAXIMUM MINIMUM 62.5 60 8.6 7.0 87 71 1.87 0.81 AVERAGE 61 7-9 80 1.38 STATION Isleton Sowa ge Treatment Plant MILE 18. IL DATE TIME PST TEMP "F D mg/l DO % SAT 5 Do, BOO mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC. 10' 01 25' C 10-2k-6o 10-25-60 10-26-60 10-27-60 lD-28-60 13k5 72 86 19k5 68 98 lk20 0128 68.5 Ik IkkO 07ko 68 18 5.6 25 32 Ikso Ikoo 10 16 5.9 2k 21 lk60 2000 66 59 lk80 0120 68 98 0733 69 91 1250 10 106 1520 1955 67.5 n 1650 0120 69 98 1610 0735 68 102 1600 1300 67.5 80 1550 19kO 68 90 1300 0100 68 88 lk20 0715 61 88 lk30 o«.,rc MAXIMUM """== MINIMUM 12 67 108 59 5.9 5.6 25 2k 32 27 1650 1300 AVERAGE 68.5 67 5.8 25 30 lk85 T-150 TABLE T-l5(Conlinue<)) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-26,1960 STATION A Tld. Ou MILE 17.5 DATE TIME PST TEMP •F D mq/l DO % SAT 5 Day BOO m9/l ASS mq/l 0-P0« mg/l T-PO4 10-25-60 10.26-60 10-77-60 10-26-60 1005 12S5 61 61.5 2-' 8.0 8I> 81 »50 ooao 60.5 62 9.1 8.3 91 85 0600 0850 g.5 7.2 8.6 s U35 Z125 62 60.5 1:1 ai 0300 61 62 U 90 76 0555 081i5 6X.5 62 7.5 7.9 76 81 llko 1*35 61.5 62 8.9 7.8 90 80 ITllO aio5 62 61 8.2 8.U 8I> 85 2355 0320 61.5 61.5 8.0 7.8 81 19 0555 lUO 61.5 60.5 8.0 8.2 81 ITkO 2050 60 60.5 8.k 8.3 Sk 83 231lO 0235 60.5 60.5 9.0 8.k s 0555 60.5 7.9 79 RANOE ] AXIMUM INIMUM 62 60 9.1 7.2 91 n AVERAGE 61 8.2 83 STATION At Bsoecn MILE !?■ L DATE TIME PST TEMP •F 00 DO %SAT SOcyBOO mg/l ABS mg/l 0^>04 mg/l T-PO, mg/l EC.IC» « 25'C 10.2l*-/j0 10-25-60 10-26-60 10-27-60 10-26.60 0920 1215 60 60 8.9 8.7 89 87 2.32 173 190 1M5 171.5 62 60 9.2 9.1. 9k 9k 1.87 185 201 2105 0005 60 60 l:\ 91 85 1.36 185 17k 0255 0520 61 60 7.8 7.7 79 77 1.78 155 170 0855 1200 60 60 a.9 8.8 88 1.2T 186 190 1*50 61 60 8.7 9.V es 9k 1.50 1B2 185 2135 0000 60 60 9.2 9.1 91 1.20 186 185 0300 051D 61 61 8.0 7.7 SI 7S 1.05 1B5 191 0850 1157 60 60 8.9 9.2 89 92 1-32 179 192 1515 1B15 61 60 8.7 9.5 ee 95 1.72 189 188 2120 60 60 9.2 9-1 92 91 l.kl IT, 0305 60 8.1 81 1.26 iBl 0900 1150 59 60 8.9 9.0 m 90 l.ko IBT 186 1*50 171.5 60 6a I:) 15 l.k8 185 W^l 60 60 9.3 9.1 93 91 l.Uk 185 0300 0550 60 60 8.k 8.0 8k 80 1.6k RANGE \ MAXIMUM MINIMUM 62 ?9 9.5 7.7 95 n 2.32 1.05 201 155 AVERAGE 60 8.8 88 l.kS I8k STATION Bu3 i.ii-(f- . tUOA tiuk MILE 13. k DATE TIME PST TEMP "F mg/l 00 *. SAT 5 Day BOD mg/l ABS mg/l 0-PC4 mg/l T-PO4 mg/l EClct 01 25* C 10-25-60 10.26-60 10-27-60 ID-CS.60 8910 UJk5 60 61 8.8 8.7 88 88 l.k3 190 191 1*35 1735 62 61 9-2 8.9 9* 90 1.67 ISl ITS 2050 2350 60 60 8.8 8.8 89 89 1.22 188 17k 02k0 0510 60 60 8.8 9.7 88 »7 i.r 177 275 08k5 UkS s 8.9 9.9 86 88 1.2k l»3 193 Ikko 1725 60 60 l:'i 99 91 l.lk cue 2350 <0 60 9.0 9.8 ss l.oj 190 185 osk; Ok55 60 60 9.6 8.k 86 8k 1.26 ia> 185 06kl 11*3 60 60 6.7 9.9 68 1-30 IS: 1*0 1500 1800 60 60 8.9 9.0 89 90 l.TO IH 1*5 2U5 23kO 60 60 9.1 8.9 91 99 1.31 185 1*5 0255 60 ».t 96 1.90 in 0850 1139 60 60 9.9 9.1 98 l.k8 lat 1*35 1730 60 60 9.2 9.0 it 90 l.*J "* 1 180 ' «330 59 9.2 90 l.» 1»T oek5 05k0 60 59 9.8 8.5 89 83 1.6J =.„^c MAXIMUM "'"^^ MINIMUM 6S 59 ?:! S 1.90 1.03 R AVERAGE 60 8.9 ae l.ko i>* STATION Rle Tlsta SOTrasa Tl»*l— ill ?Uiit MILE U.6R DATE TIME PST TEMP •F DO mg/l 00 XSAT SDoySOD mg/l ABS mg/l O-PO4 mg/l T-PO4 mg/l EC.K^ 01 25- C 10-25-60 10-26-60 10-27-60 1330 72 12k 10 36 39 1230 19kO 70 90 6.9 22 26 up 0025 72 92 loao 0705 72 82 111ft 1200 T3 m mo 1920 71 90 UTO 00k7 71 12T 1190 0707 72 90 U50 1200 T3 131 1310 1900 72 89 13» 0025 T» 9* UkO 0650 ■n 78 iiift „.^, MAXIMUM RANGE MINIMUM T3 TO 175 79 1380 uao AVERAGE 72 105 US5 T-151 TABLE T-l5(Conlinued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES LOWER REACH INTENSIVE SAMPLING PROGRAM OCTOBER 24-28, I960 station: Vii T'-"l - -f* X""" MILE 11. 1 DATE TIME PST TEMP "F mg/l DO % SAT 5 Ooy BOD mq/l ABS m9/l O-PO, mg/l T-PO4 mg/l EC > 10' 01 25- C ljI)-2ll-60 10-25-60 10-26-60 10-27-60 10-26-60 0900 1137 60 61 8.7 8.8 87 89 190 191. U.25 1725 61 60 9.2 9.1 93 91 195 361. 20IU) 2310 60 60 9.0 8.8 90 88 261 186 0227 0500 60 60 6.7 8.7 87 87 l£7 179 0830 1130 g 6.8 9.0 86 90 256 193 U.30 1715 60 60 9.1 9.2 91 92 193 258 23I4O 60 60 9.0 9.0 90 90 281 188 0235 oW+5 60 60 8.7 8.7 87 87 1«5 185 0830 1135 60 60 8.8 9.0 88 90 203 210 lk50 1750 60 60 9.1 9.3 91 93 190 190 2055 2330 59 59 9.2 9.1 % 278 130 021(0 0Slt3 60 60 8.7 9.0 87 90 185 183 1128 1*30 60 61 9-1 9.5 91 96 ^^ 1715 2030 60 59 9.3 9.3 93 91 185 232 2320 0230 59 59 9.3 8.9 91 87 239 0530 59 8.8 86 a^urc MAXIMUM """^^ MINIMUM 61 59 9.5 8.7 96 86 361. 167 AVERAGE 60 9.0 90 213 STATION At Beacon MILE 9.5 DATE TIME PST TEMP DO mg/l DO % SAT 5 Do, BOD mg/l ABS mg/l O-PO, mg/l T-PO4 mg/l EC . 10' ot 25° C IO-2I.-60 10-25-60 10-26.60 10-27-60 10.28..60 OSIU) 1122 60 61 6.8 8.9 88 90 2.73 308 313 11.10 1715 61 60 9.2 8.9 93 89 2.32 313 1J.2 2030 2330 60 60 9.0 8.9 90 89 1.21. 331. 250 0210 OU5 60 60 8.7 6.7 87 87 1.53 178 190 0820 1115 59 60 8.8 8.9 66 89 1.51. 1.05 302 IU15 1705 60 60 91 9.1 91 91 1.02 302 1.2U 2055 2330 60 60 8.9 9.0 89 90 0.75 1.95 359 0220 01.30 60 60 i:J is l.OU iH 0820 lil8 60 60 6.9 9.1 89 91 1.06 351. 359 11.35 1735 60 60 9.2 9.2 92 92 1.22 285 3U. 20I.0 2310 60 59 9.1 9.1 91 89 0.51 U2 369 0220 60 9-1 91 1.1.2 190 0827 ni5 60 60 9.0 ' 9.0 90 90 1.53 225 375 11.15 1705 60 60 9.3 9-3 93 93 1.36 215 253 2020 2305 59 59 9.3 9.2 91 90 1.23 356 3U. 0215 0510 59 59 1:1 i 1.1.6 RANGE MAXIMUM MINIMUM 61 59 9.3 8.7 93 86 2.73 0.51 1.95 178 AVERAGE 60 9.0 90 1-37 311. STATION Rnrarllne - gu veil. MIL! 6.5 DATE TIME PST TEMP 'F D mg/l DO %SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l EC < lO*" 01 25- C IO-2U.6O 10-25-60 10.26.60 10-27.60 10-28.60 1103 1355 61 61 8.8 9.0 89 91 626 509 1700 2010 61 60 8.6 8.7 87 67 2326 2606 2305 0153 60 60 8.8 8.9 88 89 750 521 01.27 0805 60 59 8.8 8.8 88 86 31.9 1131. 1100 ll«» 60 60 6.8 9.1 88 91 1179 635 161.5 2035 61 60 8.7 6.6 88 86 2123 2751 2305 0205 60 60 8.9 % 1179 590 01.20 0805 60 60 9.0 8.7 90 87 1«5 11.56 UOO IA05 61 60 8.7 9.1 88 91 2220 635 1715 2020 60 60 9.2 8.9 92 69 952 2251 2250 oen § 8.9 9.0 87 90 1568 583 0819 1100 60 60 e.9 8.7 ^ 728 1876 ^l 60 60 9.2 9.3 92 93 635 1.59 2005 2250 60 60 8.8 8.7 38 87 1651 2096 0200 01.55 60 60 6.8 9.1 88 91 0720 59 9.0 88 o.Mrc MAXIMUM """""^ MINIMUM 61 59 9.3 8.6 93 86 2751 3l« AVERAGE 60 6.9 89 law STATION Poiferllne . MMTberty SlOufll MILE k.O DATE TIME PST TEMP "F mg/l 00 % SAT 5 Doy BOD mg/l ABS mg/l O-PO4 mg/l T-PO, mg/l EC. 1(^1 ot 25' C 10-2U-60 10.25-60 10-26-60 10-27-60 10-28.60 IOI.2 60 8.8 86 2.66 2k76 1335 lAO 61 62 8.8 8.1. s 1.22 1,016 1955 22U5 61 60 8.5 6.7 36 87 136 k88k 2063 oil* Ol«7 60 60 6.7 8.8 8T 88 1.68 880 7Tk 0750 IOI.O 60 62 8.1. 8.3 81. 65 1.69 3537 3013 131.5 1630 60 61 8.9 8.5 ^ 1.19 ^ 2020 221.5 61 60 8.7 8.7 88 87 {0.36)* kSSk 2476 OII.5 01.10 60 60 6.7 8.8 87 88 0.73 1376 627 0755 IDU5 61 61 8.2 8.b 83 85 l.llO 3053 3539 1355 1700 61 60 9.0 6.9 91 l.ko 8035 2751 2005 2230 60 60 8.8 6.6 88 88 0.97 35J7 27a OlAO 60 8.7 87 1.76 165X 0807 111.5 60 61 8.1. 8.5 3k 86 1.76 2358 3053 131W l£30 60 60 9.0 9.2 90 92 1.18 2381 8U 191.5 2235 60 60 8.5 8.1. 85 8k 1.27 3095 36U oUo 01.30 60 60 6.6 3.8 86 88 1.9k 2050 985 0710 59 8.7 85 1.57 9B5 RANGE ] MAXIMUM MINIMUM 62 59 9.2 8.2 S 2.66 0.73 k88k 627 AVERAGE 60.5 8.7 9T l.W ai.67 T-152 Ul > > _ UJ O 2E < q: o < M I V) Ul M >- _l < z < o to v> UJ ► ;»- c d c d ^ 8sei F< d ddd Si : il? ,i n ^ O O •• °8'- do 030 ► ii e e e d - 8S8S #■ ddd d 3|8 a >!^ = 8S S sh ft O N 3 ^ 8888Sc t^ dddddd agdi* Ota oa*> s a M 1 fell fi jiifii^ ^isc :i =1 ; 5^= ::a ■ fl coed « sasM OH oe SZ 8 H? 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T-155 ui > o < O < I in LJ li. o 3 1 cc 1 o CO g j1 Si f5 IT O o o i s s d 3 d o 8 d c o 3 S ^ ::. r- r- o » a a d -0 o d s o ™ ? r^ s eo § i1 O g d o 3 ° 8 d ■- s d d c d c d a » s! a :ri ^ ^ •^ o K di a d d 8- d & o s i » s^ a O ■? ^ 3 s S S ^ 8 8 d ^ ft) o s 51 . eo o "0 o^ d d 3 d n ^ f CD § £ to § O 5 d 5 d 8 8 S ON d d g c 8 a s H a: a H » o ON d. d d d & o s a 1 « o; " si 6 — 6 d d O d 8 H 2 d d 8 d d 3 S s r- 0\ s H o a o s- d CO o a g ^ 3 s d ^ i = c ; 13 s! 3 2 o; 0- ^ a S c 8 d f- c OJ s 1 ® OD s ^1 li g d d q d 3 d d ? c i g __ S f! a CO H ^0 c ^ a c d c s a c S i 3 s 3 g d 2 3 d 3 d s 8 o H J: d I d 8 s a K a d t- o £ ob ^ d 3 d vr Vfl s s ^ *^ E CI s 3 s 8 3 8 c g 3 S 3 IP 3 O s -o 1/ d o a d S a 3 1 s t- S k1 Si 6 ? ^ d 8 8 ■-c u- 0| 8 d c ^ S c^ a 00 ^ i:^ O s -=^ (d d d \o o >0 i 3 a 3 s ' Si d 6 # 8 o rH s d 8 d c d a 3 a 3 [O H H o s H u^ d d 1- o a 2 1 11 d d o d 8 £ d l3 d 8 s 5 s d a •H o a a a d d d CO o « o a si c1 - ® » (T> 3 8 i/> 8 n K In a s H o 5 a a d d a o a o > 1 *< s a 1 5 c i i s 1 a s i 1 B a i ft I 1 5 s 3 1 1 3 1 1 i 1 1 1 1 3 £ 3 1 1 ? 1 I ■a i i 1 3 ^ 1 1 1 1 i S 1 1 3 1 c H 3 1 o o 5 1 9 CM S t- 1 ;1 Si g o R o 3 d ^ 8 d S 3 d d]d 8 5 e! a CO to n H o S, C3 S o - d d d H IS s V 8 & t- S -1 Si s o s 5 d c 8 d ^ 8 O o 8 d 9 3 3 5J ^ t- a ■^ o S d d d •-I d d ^ 3 s 2 ® O St 3 E^ 6 g d o Q Fj 8 ^ ^ ^ 8 (V 2 S s S CO a •-i o Q a ^ d 3 i s i 3 g CO S 8i d d d * 8 F^ d d 8 d s d S -£i s; ^ Oi t J = a a d >H S d CO o i 1 en S ■s o; S II d o d q ^ 8 d -O d L? 8 d 3 d ^ S s 3 a ^ ^ § o; a d -H d f: o 1 i « q 1 c1 Si c1 d d d d 3 8 d d d 8 d q d in S ^ ;; GO ^ H o S 3 a d q a d - o 1 i s IC § ^ ^ eo ^ 8 S s g g a s IT 5 o a d ^ ° d 3 o IT g cc c1 Si IJ g d d d d S 8 s nj d d IT n a s m s d c» d CO d d F o i s i , s ^ 5 ■si 11 g d d d t d o 8 d ^ d c- o d d c\ a d 3 >-i o ^ a a o o d •f i s s 3 ^ 3 d S s q S c1 Si IJ d p d q d 2 a r 8 d d ft * fS s d d i-i g 2 u- ° d „- q OD 1 c1 Si IJ d g d q d 8 i a c 8 d C Ol s ft f-1 3 s f-i o E d d d c d s 1 1 ? ci 1 . q ^ Si IJ o d g d o d ft) 8 2 d 1 ^ ft H SI a q CPN a (V ? d ■-•ir f OC\JO *l s 3 s ® H 1 si g d d g d q d 8 J eg 9' 9 idld ft) K 3 a} CO 3 S o; a d d i 1 f 1 6- i 1 1 I 3 X -• c 3 > S 1 S 3 1 1 1 1 s 1 1 1 3 3 c i 1 4 "9 1 6 a J 3 5 2 3 i i s 1 1 s 1 li 1 1 1 3 u T-156 u> < I * •- o: bj UJ -J > > K O I- Z UJ < U < tn I M bJ M > < Z < ti. o 1 i! dodo S 85SS <\ d - d o Si i C * ^ k| s ji 5S ;»a-^ = 8»a e° djo J ^3^^- 6666 f c - c 8e s ail »i R s'a-^ 9.« ■,,' V"' 00 ol^ <> = ?.-- 060s F S^SX ss e «<»- a do d; s3; S^ § O «r ■ d J «'l SJSS do d d 3 gSSfi - SHOO 00 .. 'di U I ■a 8 :-:- j^ s d 8 ^ 00 05; ssss d do d d-H d d 83 J 8 a*s-* 0|n»» H» a do ^3%^ i|'-- d d d d S SZR» c o-4od 8S 9 do IM eIs . >'f • "l^a 66 0*0 f f^s ^ SSi:;^ 88 fi 8 <: - °§3a HJO; d P d,- dl^o do dd s SPSS c c - c c 8S ! 5 s _ "JS SB . a a"s^ 0^-0 d c dso ggps dddd d ^ d c 8S 5 ;k . *i » a^a- °gs; otdl oip c dddd 8 gSSi c e •■ c c OICJ f> ^ « a''B- •=8;: d f o£ S8SS ' 8SS5 ^^ s III , In : 51 R°S- -as; 61A dip c esss ddoo p drjdd S8 P 1 ^« a a-^a- « 0- OJO, - Si 9 1 9 ^^S3 f 8S3S 8gl S f40 ojdo; £3}3 dddd 8 8»;8 f d »■ d < KiS S ?1 : r- « 1« a - j c dddd C 8;JS« C-C(3 8S e R a^a-* e fi r^ « d H 05 c s 1 M 1 jAcii' S^St =i i r 5sa: 43 1 1"^^ ^^ ^ di Kit Ri I RnS K^ KW S Kil sis Si i s ^ is 51 u I aS ii »i u n »i »i ti ss »K M »R 5s SS «« 85 ?E gi!SS a'a- 83e esss Qddd a'-a- PS a^a odd d d es gPSS a" as as 2*9 fpi a^a assi aaa »3H 6 6 a'a" R8S« fSft ^8R|8 ad jii: je£« ?•• « 9 • s;3ia — t oABoae ifi i* 891 8aRsa ego 8>a4ai s j a: sas *aa 8J!S« ssAsd Sii a 6 cJo4 dd = 8 na ss 8*,a^3 8SSS 8a "S'a d d ■So* *1 Uh.S T-157 > a: < O < I OT Ul to >- 3 CO lii t 8S?5 C C r s a-" .sgsK = scg fMSS 3 SSSS 83 5 66 . a *s§R °sil s! 83S8 s 3 „ 3i B il • CO t- J Q !/> °S8S d "■ '^ °?3 :;1 a^ss O A Jl J{ tr 8 o fC S3a g Jj ;8 SiRfg' o crsDO » d i-i d >c f' ° si CO if E — o d d d 3 S5IC^ w d ri d d 83 s dd g»|gH = §aa a Of o ^^^^. 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J p d s s o 5 8 s Eg d o ; ^ ^ S) !3 a g ;2 o S CV ft ° - o e g o 3 1 3 t- 1 a 1- 5 G s g o 3 f r g o 4 - fti •f\ 3 a » s o § s 1 o •- 3 O ™ s o 2 i 3 3 3 o § il 3 8 d ^ d f- o J o s . a S - o S t f1 o in 8 C S 3 o 1 1 i o oo 1 ^1 a M ■^ 3 d ■I g d S H g s 3 s o 3 o 3 s s .o .a 5 1 Si, o s 1 g° 3 O S 5 4 ^ 1 Ji g o 03 § II oj ^ s s 8 d 3 s s c o 3 - i >H 3 2 3 s ° S i 1 o SO S 1 3 o J , S [^ 1 ^-5 H 3 !3 d « 8 d „ c o ^ S f* ? 1 H S s o S ^ 9 o o o g o 1 3 cr i jl <3 3 ° 8 d 8 d 3 3 3 % o o s s g i S S U-. o S « 5 r- c to d 1 S a < t3 i nil 5 a 1 1 3 i 1 1 i 1 > a 1 ♦J c 3 1 o ■B 1 3 1 s i 3 3 5 i i S M < f 9 S i ■^ 3 1 1 S 1 o e ^ i 1 3 5 n 5 ^ 1 1 1 1 3 1 1 1 1 1 1 S 3 SI lll 1.5 i 5 S 1 1 s 1 3 T-158 TABLE T-17 SACRAMENTO RIVER WATER POLLUTION SURVEY QUALITY CROSS-SECTIONS-SACRAMENTO RIVER 1960-1961 River Hilc Location '\ Date : Time : (POT) Dlscbarge, ; Mesji Dally : (cfs) ; Location of 1 Saapliag Point : Depth : of : Water (feet) \n ; Dissolved Oxygen ; BCxio^ at , 25 "C ;pB Laterally : Depth (feet) '■ (PP-) ; (♦sat-) 308 Keswick Reservoir above Spring Creek 9-26-60 13^0 1/2 5 31. 51.. 5 9.3 87 7-3 1350 V2 20 5k. 5 9.1. 88 7.k IWO lya 3U 5*. 5 9.1. 88 305-9 600 Yards Upatreaa froa Kesvick Dsb 1,-10-61 nM) 6,000 L-1/8 2 30 53.5 U-0 101 121 7.2 nus L-1/8 25 ug U-0 96 121 7.2 1705 L-V 2 68 53 10.8 99 123 7.t 171c L-V 55 1.9 10-5 91 123 7.1 i6to V2 2 75 53 10.5 96 121 7.1 1«<0 V2 50 1.9 H)-7 93 lU 7.1 1725 R-l/l. 2 70 1.9 10.9 95 123 7.2 1720 R-l/U 60 10-7 123 7.1 1735 R-1/8 2 1.8 53 U-0 101 121 7.3 1730 R-1/8 1.3 1.9 10.7 93 123 7.3 305.7 Kesvlck Reservoir above 8prli% Creek 1-20-60 L-V 1/2 1/2 R-l/k 25 25 1.5 25 50 lk6 IW. IW. 11.5 2-16-60 1330 5,61.0 L-l/l. 21 25 1.8 10.0 88 128 11.15 L-V 3 1.8 10.1 89 122 IU30 1/2 20 1.9 10.1 90 122 1U25 1/2 3 1.8 10.1 69 122 li»35 R-l/l. 20 1.9 10. 89 12k lit 30 B-1/". 3 1.8 10.1 89 301.2 Upatreaa from Kesvick Dob 5-26-60 1030 V2 1. W 10.7 93 6.8 1055 1/2 35 52 10-3 93 119 7.1 1115 V2 65 50 10-7 91. 7.0 low V2 98 50 10.1. 92 12k 7.2 9-28-60 1150 V2 56.5 91 86 7.3 1215 1/2 25 51.. 5 9.1 85 7.3 1210 1/2 50 51. 9.0 61. 7.3 1159 V2 80 51. 9.0 81. 7.3 297-7 Above Redding Diversion Dam 1-20-60 L-l/l. R-l/U 2 lk3 lk3 lk5 2-17-60 0815 l<,650 L-l/l. 2-3 7 1.7 U.6 100 131. 0830 1/2 2-3 5 1.7 U.7 101 135 06 1.9 R-l/l. 2-3 6 1.7 U.6 100 135 285.9 Above Chum Creek 2-17-60 1350 l«,650 L-V 1-2 3-1. 1.9 U.6 102 137 1335 1/2 1-2 3-1. U.6 1D2 131 iMxt R-V 1-2 2-3 11.2 99 133 283.0 AndaraoD Bridge 1-20-60 i-V 1/2 R-l/U 2 3 3-1. lk6 lk5 lk6 275-0 Balls Ferry Bridge 1-21-60 L-V* V2 R-V 7 8 10 lk7 151 IkT 2-17-60 15k5 5,760 L-l/l. 2-3 5 11.6 102 lk6 1555 V2 2-3 6 1.9 n.5 IDl lk7 1600 R-l/l. 2-3 7 u.l. 100 IkS 256-3 At Bend Bridge 1-21-60 L-l/l. 1/2 R-V lk9 lk7 lk7 2-18-60 0815 7,550 L-l/U 2-3 5-6 1.6 11.2 97 157 0820 1/2 2-3 5-6 >>6 U.2 97 155 0910 R-l/l. 1-2 3-1. U U.2 97 155 ll-u-61 1130 L-1/8 2 ID. 5 51. 10.8 99 125 U30 L-1/8 8 51. 10.9 IDO 12k 1C25 L-V 2 12 .. 10.8 — 125 1D25 L-V 10 51. ID. 7 98 127 1010 V2 2 10 51. 10.7 98 126 1020 v 8 51. ID. 7 98 127 liiOO R-V 2 9 51. 10-8 99 132 UOO R-V 7 5k 10.7 96 127 1125 R-V 2 I. 5k 1D.9 99 126 2W..1 At Red Blurr Bridge 1.-U-61 1350 L-1/8 2 5.7 57 1D.8 103 132 1355 L-V 2 l*.li 57 ID. 8 1D3 132 1355 L-V 12 57.5 ID. 9 iOk 13k 1500 V2 2 9.2 57 10. T IDS 132 IkSO B-V 2 U.l 5T 1D.9 IDk 13k 11.25 R-V 9 57 ID. 9 lOk 13k UWO R-l/S 2 6.6 57 10.9 10k 135 229.8 Above Eldar Creek 2-1S-60 1100 1055 9.060 L-V L-V 1-2 7-8 9-10 9-10 •« u.l 96 153 151 1050 1/2 1-2 7-8 k9 u.l 96 151 UOO R-V 1-2 9-10 k9 u.l 96 155 U05 R-V 7-8 9-10 k9 u.o 97 155 217.6 At Vina Bridge 1-22-60 t-V V2 R-V 15k 156 15k t-lB-60 IMW 9,060 ui/u 2-3 k-5 50 u.l 99 17k IklO V 2-3 50 ID. 9 97 173 11.25 R-V 2-3 50 1D.9 97 175 T-159 TABLE T-17 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY QUALITY CROSS-SECTIONS -SACRAMENTO RIVER 1960-1961 ■of : Depth : J KxiD^ ; at : pH River • Is TUB : P^""*^**' SanpllQg Point : of : Water : Te^. (T) ■ Dissolved Oxygen , ",,„ Location . Date . ifg^) . Mean Dallj . Depth : X : ^^ ■ : : ^'^°"' : (cfs) Later«Uy . (feet) (feet) (PP") : (* Sat.) \ 25*0 : 199-6 At Ha«llton City Bridge 2-19-60 0820 0820 0825 8,690 L-l/U 1/2 R-l/U 2-3 2-3 2-3 6-7 7-8 7-8 U9 10.9 10.6 10.8 95 156 155 156 18U.5 At Ord Ferry 1-25-60 1/2 R-1/1* 1U7 1U8 1U8 2-18-60 1555 1550 1555 10,700 L-1/1* V2 1/2 2-3 20 1-2 7-8 2U 2U 51 10.7 10.6 10.6 96 172 172 168 1615 H-l/ll 22 27 51 10.5 9U 168 1605 R-l/U 2-3 27 10.7 16U 168.2 At Butte City Bridge 1-25-60 L-l/U 1/2 R-l/U 20 15 19 1U7 1U7 1U9 2-19-60 1120 1115 1100 1110 1050 1055 12,5ll0 L-l/U L-l/U "■!} 1/2 R-l/U R-l/U 10 2-3 10 2-3 10 2-3 lU lU lU lU lU lU 10.6 10.6 10.6 10.6 10.6 10.7 177 177 179 177 179 177 U-12-61 1000 L-1/8 2 8.U 58 9.8 9U 152 1005 L-l/U 2 8 58 9-9 95 153 1010 1/2 2 9.3 58 5.9 95 155 1010 1/2 6 58 9-8 9U 153 lfl35 R-l/U 2 12.5 58 9.6 9U 153 1035 R-l/U 9 58 9.8 9U 15U loito R-1/8 2 13-7 58 9.9 95 155 loto R-1/8 ID 58 9.8 9U 153 lUi.l At Colusa Bridge 1-25-60 L-l/U 1/2 H-l/U 16 16 IU3 lUU 1U5 2-23-60 ms 9,080 L-l/U 1-2 U-5 51 10.5 9U 181 1125 1/2 10 lU 51 10.6 95 180 1120 1/2 2-3 lU 10.6 180 llltO R-l/U 10 lU 10.7 180 1135 R-l/U 2-3 lA 10.5 180 lt-12-61 1305 L-1/8 2 U.7 62 9-7 98 1U8 1307 L-l/U 2 5.6 62 9-6 98 1U7 1310 1/2 2 19.2 62 9-6 98 158 1315 1/2 17 61 9.6 97 IU7 1330 R-l/U 2 19 62 9.6 98 1U6 1330 13fo R-l/U 17 62 9.6 98 1U6 R-i/a 2 16 62 9-7 98 1U7 isto R-l/8 lU 62 9-6 98 1U7 138.9 Afnve Butte Slough 7- 6-60 1030 Left Bank L-1/8 L-l/U 1/2 1/2 R-l/U R-l/U R-1/8 R-1/8 1 2.8 3-5 U 8 U 9 U io 2 5.5 7 10 n 12 68 68 68 68 67 67 9.0 9.1 9-1 9-1 9.2 91 9.2 9.1 9.2 120 120 120 120 120 120 1057 Right Bank 1 2 67.5 9-1 122 138.7 Below Butte Slough 7- 6-60 1158 Left Bank L-1/8 L-1/8 L-l/U L-l/U 1/2 1/2 F-l/U F-l/U F-1/8 R-1/8 U.5 U 10 U 10 u 11 u Ifl u 9 9 12 12 13 12 11 68 68 68 68 68 68 68 91 9-1 9-1 9-0 9.0 91 9.1 9-1 9.0 9.1 9-0 125 125 125 123 123 122 1217 Right Bank 1 2 68 9.3 121 118.1 Belov Wllklns Slough 7- 5-60 1325 Left Rank L-1/8 L-1/8 L-l/U I^l/U 1/2 1/2 R-l/U R-l/U R-1/8 R-1/8 1-3 U 9 U 12 U lU u lU u 8 2.5 11 lU 16 16 10 68 68 68 68 68 68 8.8 8.9 8.9 9.0 8.9 8.9 9.0 8.9 90 8.9 9.0 130 130 130 130 130 130 1350 Fight luk 2.5 5 68 9.1 132 T-160 TABLE T-17 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY QUALITY CROSS-SECTIONS -SACRAMENTO RIVER 1960-1961 I : : : t Location of : beptli Bdo' ; Rlnr : , , ! ^ l 11— ■ J"'"*^' = S.^>lli>« Point of T.^. : Dis*olv«d OiQrc«D J mi. , Locllon , D>u , (pg,) , Itou Dail, . », f^pt!, Water (•F) : " I * : : (=f) : Ufrali, ^ (,J„, . (feet) : (ppa) (»8.t.) , 25"C , 1X1.6 M Bar*r'> ■e°<> T- 5-00 1050 Left Bank H/8 L-V8 L-1/* L-V V2 V R-V R-V R-1/8 R-1/8 0.3 * 8.5 * 9 * 2* * 27 * 23 0.5 10.5 U 26 29 25 70.5 69 69 69 69 69 8.7 9.0 9.0 9.0 90 9.0 8.9 90 9.0 8.7 8.8 130 130 130 130 130 130 1122 RKbt Bank 1.5 3 69 8.8 130 Ul.lt At Ba7-6o 1015 102O 1020 1025 1025 10,700 L-1/* L-1/* 1/2 V2 R-1/* 1* 2-3 20 IB IB 2* 2* 22 50 10.* 10.5 10.* 10.5 10.5 92 177 176 176 176 175 1030 H-l/U 2-3 22 U).* 92 176 7- 1-60 0930 Un Bank L-l/8 L-l/8 L-V* L-V* 1/2 V2 R-V* R-V R-V8 R-VB 1-3 * 8 * 1* * 17 * 19 * 13 2.5 10 16 19 21 15 68 68 67.5 67.5 67.5 67.5 8.8 8.8 8.8 8.9 8.9 8.8 8.7 8.8 8.8 8.8 8.8 U7 1*7 1*7 ISO 150 150 9- 1-60 15*0 15*5 1555 UV* V2 R-V* 68 68 68 8.6 8.8 8.6 7-6 7.6 7.* ^13-61 1535 L-V8 2 7.5 61 9.5 96 158 1537 L-V 2 17-5 61 9 5 96 161 • 1537 L-lA 15 61 9 5 96 157 1625 V2 2 22.5 61 9.5 95 161 1625 V2 20 61 9* 95 1*9 1625 R-V 2 22.5 61 9-5 96 16* 1625 R-V 20 61 9* ?? 157 1607 B-l/S 2 22.5 61 9.5 96 161 1605 ■-V8 20 61 9.5 96 160 90. 2R Coluu laain Diuio at loat Ri^ 9- 1-60 ia5 71 7.1 7.6 90.2 Balov Coliua Baaln Dnin 7-1-60 1100 Left Baak t-V8 uV8 L-V^ L-V 1/2 V2 R-V* R-V* R-Ve R-V8 3.5 * 1* * 15 k 1* * 15 * 7 16 17 16 17 12 68 68 68 68 68 68 8.6 8.6 8.7 S.9 8.9 8.8 8.8 8.9 8.8 178 ITS 17* 175 IM 1B$ 1210 Rixht Bank 1.8 3.5 68 8.9 197 9- 1-60 1250 20' rr R.Banl 72 7.* 1300 60' fr R.lank 68 7.7 1307 75' rr R.Baak 67 8.0 1315 V2 67 8.5 1325 L-1/* at 8.6 1330 15' fr L.laiil 67 8.7 89.8 Balm KUKhta Laadlm 9- 1-60 13*5 1350 1355 1*00 30' fr I. Baal uV V2 ft' fr R.Banl 68 68 68 68 8.* 8.3 T-161 TABLE T-17 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY QUALITY CROSS-SECTIONS -SACRAMENTO RIVER 1960-1961 River : Location . Date : : , : Location of Depth of : Temp. . Dissolved Oxygen i ECxlO* : I , (cfa) . LateriUy . (,^^^) Water : (T) at . PB (feet) ; (ppm) ; (*3at.) 25*0 88.3 At Portugueae Bend 9- 1-60 lUSO 1 20' fr L.Bank 68 8.U 7.5 IU55 L-l/U 68 8.2 7.5 1505 1/2 63 8.U 7.U 1510 R-l/U 68 8.1 7.U 1515 20' fr R.Bnnk 1 1 68 8.U 7.U 81.5 Above Sacruento slough 2-2I1-60 UUo 13I1O 13'i5 1350 10,700 L-l/U L-l/U 1/2 1/2 15 2-3 15 2-3 19 19 19 19 10. U 10.3 10.0 10.2 226 22U 228 226 1350 R-l/U lU 18 50 10.3 91 226 1355 R-l/U 2-3 18 10.2 90 228 80.9 Above Sacrsaento Slough 6-30-60 0930 L-1/8 L-1/8 L-l/U L-l/U 1/2 1/2 R-l/U R-l/U R-1/8 R-1/8 1.5 U 13 u 15 U 26 U 30 U 13 3 15 17 28 32 15 69.5 69.5 69.5 69-5 69.5 69 8.7 8.9 8.6 8.U 8.5 8.6 8.5 8.6 8.U 8.6 8.6 175 175 175 175 175 175 1055 Right Bank 3.5 7 69-5 8.7 173 80.7 Below Sacramento Slough 6.30-60 1155 Left Bank L-1/8 L-l/U 1/2 R-l/U R-l/U R-1/8 R.1/8 1-5 3-5 3.5 U U 8 U 8 3 7 7 8 10 10 7U 73 72 71.5 71 70 8.2 8.2 8.2 8.2 8.3 8.5 8.5 8.5 165 180 187 190 190 190 1330 Right Bank 1 2 70 8.5 190 71.0 At Rlkhorn Perry 2-25-60 0920 0910 0925 0930 09I1O 16,000 L-WO' L-lOO' 1/2 1/2 R-lflO' 8 2-3 12 2-3 12 10 10 12 1£ lU 11.0 10.9 10.7 10.8 10.6 17U 17U 202 202 2U2 0915 R-lOO' 2-3 lU U9 10.6 92 2U2 63.6 At Sacramento Veir 6-29-60 U50 1230 Left Bank L-1/8 L-1/8 L-l/U L-l/U 1/2 1/2 R-l/U R-l/U R-1/8 B-1/8 Right Bank Right Bank 2-5 u 8 U 8.5 u 8 U 9-5 U 9 U 9 5 K) 10.5 10 11.5 13 U 71 71 71 70.5 71 71 71 8.3 8.5 8.5 8.7 8.6 8.5 8.5 8.6 8.6 8.6 8.6 8.6 8.6 195 195 195 195 195 195 195 lt-l8-6l 1025 L-1/8 L-1/8 2 8 10.7 62 62 9.1 9.0 93 92 153 15U 1130 L-l/U 2 10.5 62 ».l 93 1U9 1130 L-l/U 8 62 9.1 93 1U8 U55 1/2 2 11 62 9.2 9U 152 1155 1/2 9 62 9.1 93 157 1205 R-l/U 3 12.3 62 9.2 9U 153 1157 R-l/U 10 62 9-0 92 157 1153 R-1/8 2 13 62 9-1 93 157 1150 R-1/8 U ~ 9-3 157 62.6 At Bryte Laboratory 2-26-60 0915 18,300 L-50' 5 50 201 0920 L-l/U 7 9 10.7 9U 200 0920 L-l/U 2-3 9 10.7 201 0925 1/2 10 13 10.8 200 0930 1/2 2-3 13 10.7 200 62.6 At Biyte Laboratory (continued) 2-26-60 6-llt-60 0935 0935 09W) 1250 R-l/U R-l/U R-50' R-l/U 1/2 L-l/U 16 2-3 5 19 19 50 10.8 10.7 7.8 7.8 7.8 95 200 200 200 6-29-60 lUOO Left Bank L-1/8 L-l/U L-l/U 1/2 1/2 R-l/U R-l/U R-1/8 R-l/8 0.8 U.5 U 10 U 11 u 12 u lU 1-5 9 12 13 lU 16 72 71 71 71 71 71 8.7 8.7 8.6 8.S 8.8 8.7 8.8 8.8 8.7 8.8 197 195 193 192 192 192 11*3 Right Banl 3.5 7 71-5 8.7 192 60.5 0.1 Mile Above African River 6.1U-60 1310 R-l/U L-l/U 77 8.1 8.0 8.0 T-162 TABLE T-17 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY QUALITY CROSS-SECTIONS -SACRAMENTO RIVER 1960-1961 River mie LocatiOD • D.t. : : Tlan '. Dl«cbarg«, I Locfttlc Sa«Un« n of Point : Depth ! of : W«t«r i Te«». : (T) ! Dlieolvcd Oxygen ttxlfl* 1 <-> ; *?:.S'^ ! Laterally : Depth (feet) ! (PI-) (♦a.t.) 25"c ; 58.2 6-U-60 1320 R-l/U 75 9-6 2-5 Plant Outfall 1/2 nyi. 8.1 56.8 Bsacona 53 "nd 5^ 6-1U-60 1350 R-iyi> 1/2 L-l/l. 75 8.0 8.0 8.2 51.. 1 VbMUn Mo. 2 6-11.-60 Ikio R-l/k 1/2 L-l/l. 75.5 8.0 8.2 8.2 53-a Brickyard 6-1U-60 11.20 H-l/lt 1/2 H/1. 76.5 8.1 8.0 8.0 52.3 Baacooa k2 and h? 6-1I.-60 11.35 R-l/l. 1/2 L-l/U 75 8.0 8.0 8.0 ki.li At Preeport Bridge 1-27-60 L-l/l. 1/2 B-Vl. 20 15 25 190 1B8 186 2-25-60 1320 1315 1325 1330 13W 131.5 19,000 L-l/U L-l/l. 1/2 1/2 R-l/U H-Vl. 13 2-3 lU 2-3 20 2-3 16 16 19 19 2U 2U 51 10.8 10.6 ID. 7 10.9 10.5 10.5 97 179 179 179 178 179 178 1.3.1. Above Clarksburg 2-29-60 1215 1215 1220 1220 1230 1230 16, boo L-l/U L-l/U 1/2 1/2 R-l/l. R-l/l. 16 2-3 30 2-3 33 2-3 19 19 35 35 3T 37 50 10.6 10.6 10.7 10.6 10.6 10.6 93 193 193 19U 19U 19U 196 3T.2 At 3D0d«z«ai Slough 2-29-60 11.55 11.55 1500 1500 1505 l6,koo L-l/l. L-l/l. 1/2 1/2 B-l/k lU 2-3 lU 2-3 lU 18 18 18 18 18 10.5 10.5 10.5 10.6 10.5 208 208 205 205 206 1505 R-l/l. 2-3 IB 50 10.5 92 206 27. U Above Delta Crosa Channel 3- 1-60 1215 111,900 L-l/U 25 29 10. u 172 1215 L-l/U 2-3 29 U9 10. u 91 171 1210 V2 20 23 10.5 171 1210 172 2-3 23 lO.U 172 1205 R-VU 15 19 U9 10. u 91 173 1205 R-l/U 2-3 19 10. u 17U 18.8 At laletoD Bridge 1-27-60 L-l/U V2 K-l/U IB 15 IS 195 195 195 3- 1-60 0915 0915 0920 0920 0930 0930 111,900 L-l/U L-1/2 1/2 1/2 R-l/U R-VU 13 2-3 u 2-3 U 2-3 15 15 13 13 13 13 U9 ID. 5 1C.6 10.5 10.6 10.5 10.6 92 175 176 175 I7U 175 17U 10-ii-6< 08I.3 081J. IS 2 20 20 71 70.5 7.7 7.8 87 8? 17-5 At laletOD Tide 0«ge 10-U-6C 0851. 0855 12 2 lU lU 71 71 8.5 8.5 95 95 16.6 At Pover Line I 10-U-6( 0901) 0905 20 2 22 22 71 71 8.9 8.9 99 IDO 15-2 At Beacon 10 10-U-6( 0911. 0915 13 2 15 15 71 71 91 9.2 102 103 Ik. 2 Above Cache Slough 3- 3-60 1210 1/2 12 16 10.2 20U 1210 V2 2-3 16 50 10. 1 89 aou 12.8 At Rio Tlst« Bridge 1-27-60 L-l/U 1/2 7 T 10 22 36 236 233 233 3- 3-60 1030 10*0 Ik.OOO L-60- 1-1/7 10 13 25 16 10. U lO.U 199 201 101.5 1-1/7 2-3 16 50 10.3 91 201 1050 L-2/7 15 IB ID. 2 20U 1050 L.2/7 2-3 IS ID. 3 20U 1055 L-3/7 l£ 19 10-3 20U 1055 L-3/7 2-3 19 U>.2 20k 12.8 At Rio Vlata Bridge (continued) 3- 3-60 1100 1100 1105 1105 inn nift L-U/7 LJ./7 U5/7 L-5/r U6/7 L-6/7 16 2-3 19 2-3 19 2-3 19 19 22 22 22 22 10.0 U).l 10.1 10.2 10.2 lO.l SIX 206 2U 2U 206 2U U15 R-60' 10 IB 50 10. 1 89 2U 10-11-60 1115 L-l/U 15 17 70.5 8.5 95 U16 L-VU 2 17 71 8.6 95 1120 1/2 2U 26 TO. 5 8.3 92 U21 V2 2 26 70.5 8.5 9U 1125 •-l/U 19 21 70.5 8.1 90 1126 R-I/h 2 21 71 8.U 9* 1236 V2 2 26 72-5 1239 L-VU 2 17 71 8.8 98 T-163 UJ > > rr Z 3 UJ W s z o < ^^ (- IT ■a 3 C> 3 < C o w Q. 1 ID o on (O g> ' — 1- 7 1 t^ < o o 10 1- q: H CT) u Ul <) m < > UJ q: CO 1- O 1 »- (O lU w S o <* ir o C7 o (/) < O s 391SS>^ ^^s^^s SO VOCO^O^O -* cy CO CO CO CO olS u ^ '* " to 1 mo QO t- H CVJ H on rocD o\ocovo 0\^ t-t- mmm^^ -a- m m ro^ ^ m^ PO J- fOt-OCD H roto Q coco t-CO COCO coco CO CO t- 0\ t— CO t— CO l-CO aaaaa aaaaa aaaaa Q t-<0 (-(O Q0 ^1 OJ OJ OJ CO CVJ H ir^cy CM «"■ ir\ OJ '^ OJ OJ cy ro ro m <*^0J aa7Ed7 OJ oninoooj fncy fn^o m as~if;°' ^~ 5ff >> cy cy cvi H ^^ OJ OJ J-^ ^1 CO (4 "S H H r-l H ro roH H iTv i/\ f*^ r^ t— t— ^ w jj j ^ iJ) iJ ^ h) ci; .-*f ^n f SSi y ox }}... OJ on , s\ir\ §1, §3 ro ro rn rn ro po H H rH H W H \f\ in nn m H H p 8 p ° ^ O Q ifN ITi l/N ^^-d- J- in illi^ §3 35 9 ^ in ^5 s ^ ^ ^ ^ 5 S S S I ^ ^ ^ ^ d d d CU :^ s 3 3 a a s 3 m a St ^ > 9 •d 01 ^ : 1 +J 1 > C ■a a £ ■P ^ a « § 3 1 E V a & « V E 4^ a O OS 1 1 ^ ^ O Si o & t^ a « ^ >:i » 0) 1 g 1 ss 0) a i 1 !• * :S s^ 1 < k CO CO ^o VO ir\ \r\ m o > H d Q (Jv CO t^ SS T-164 TABLE T-18 SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES TRIBUTARIES OF SACRAMENTO RIVER 1960-1961 8tr»« Nile Str««a Location ,Lwte Coll-cU^ 1000' i^ttw 2«« £lar Cmk •tnnr, 99 10^.60 28«.UI :lg«r Cnek 281. SL frCB brldM 1.29A STS.a 27«A 5-5-60 u.£.6o 278.9t sr* — 11.J0.& 27i.ll, tarcmk nwr Mill 2-ft,.l,L jhHjUsa ■^ MM Itax Ti** (F...:.) IPSO L«0 lliM »ks llOOJ .*i oijo ISIO «0 s» 0925 Dlschajx^j cfs-IUm Mllj 2 Inst^r.t'irLCOua ; (-') ft ("■«) m (...) DO (...) T(~tJ tJmO 22f»tl 00 (..t) T5 ImI ial.,i\ D13-- , ;p, 54 S? •5 il !« &I £ 55 B ?1 IP.U -- 1.1 9.9 U.5 9.5 „ 115 U.O u.l »7 126 '1 100 U9 95 16 a 95 7.3 ^-5 f-i J^'• iT-^ ■1 i T.O Ir.T 7.1 1 T.2 n.2 18.0 7.1 1 rv !t.« r.i T tC « ICC. ., ..o^ 1Tb IIT iy> 12T I'jB Coivstliuenla In (pr.) (.P.) ■C/l B«/I (p..) (.P.) (pp.) (.»! (pMi (cm) (pp.) (.p.) (pp.) (.p>) (PBI) (ec) (Pia) (•») (pew) (vdb) (pia) (eg.) Toul 01ssoW«i 91 5Uic. ii^'i « 2? Ik 12 w V u ■ ■ r>ni .::l»» c. » l.lo " 0.6s m O.OO 1 1* O.TO u o.ss IT 0.85 11 O.W r.esiun ^ - H.9 ).tg '•7 9-19 i.i, «.« 7.9 9.«k 10 9,25 7-J « a "To ?4«- .islua 21: O.k ).01 l-o 0.02 1.1 0.01 , 0.6 0.02 j ' 0.1. 0.01 2.1 0.05 0-9 :0.0? !.M l.M 1 OQ 1.67 , 1.20 i ri'OMt« CO, .00 O.OO 0.00 ,0 0.09 ,9 9-09 O.OO : . rt Otw t« HCO, 56 .92 66 i.oe 62 1.02 »5 i» te o.t. IDS 1.T2 --fate SOI, IT i.-iS 1.7 O.U) 10 0.22 ?•' o.u 5.9 o.u 1.0 0.06 orlde £C1] w .a 6.T 0.19 21 0.6s ll 0.19 C.6 o.n 0.0& 11 O.TT a.? Jl.23 S.I. o.?i« 0.^ n.ni O.T D.O0 -^-^rlde iU 0.1 b.oo ^^^-5.s?- 0.1 0.00 -H- jo.oq -H- 0.00 --?^ .0.02 0.2 O.Ql LlSlji- 1 — °'^ 1 •°° — r^^ D.5 .^SLDL. [ toUil Anions S-ft l-l? 1.89 1.6T 1.19 2.0S \ l.?l «l , o.o; O.OT 0.06 0.01 O.OTl 0.05 O.ID 0.13 O.IO 0.03 0.03 - l£fill Tl w 61 At 1,0 T5 W ^ 85 12 ! ;,l SodiuM, tl 2. IS d K 2* 1 1* 1 Bear Creek 275. rj, Aih Creek ..,2.M. 272. tR Aivlenon Creek ;otioiwood Cne 270.H, 210.11 ■.ttle Craek ?63.a Hdu-Smk 1 *1.T« 21.1.91. MtapkClM pa°^ iFcm U(B i«>.d Brld£c 5-5-O0 U-iO-tC ii-»A U.6.60 ll-10-<0 — — — *- 5-4-60 'S:^ 16-4.tt 58 * X >1 W 65 » 54 .«n, PW _. 9.1 O.l T.8 10. " lOT B.7 0.3 16 10. V »> D7 Tl » 93 a Oi ;-:cid i«b. 18.3 T.i n.T .1 T.7 T.I 1 7.5 16.0 18.0 ^ 7-5 17.8 T.2 IT. 2 .5 18.2 It.o "t' !*.» :j6 ,1 25flc =29 153 12 1T3 156 Ilk) 115 Ibf ^.8 . - -.tuents In (pv) (<») (pp.) (•D.) (PM.) (ep.) (pp.) (.p.) w/1 m/1 (p.) (.») (PI«) (•!•) kA -/I (pp.) (.p.) (pp.) (.1.) (pp.) (.1.) til ™-/T (pp.) (eial (na) (efBl Toul OlssolvM] Solids [iBi UO I m Ij62 *?* Ub 81 *5 no SUic. (SiO? ?1 17 k? *■■> 10 17 C*llor.3 1 Calcic* C», 20 1.00 0.60 O.T o.u 27 I.IS LJ 0.50 9.1 O.kS T.2 o.i4 11 1.45 U 1.55 Mair-eslun Kg, 1 l.OV S.8 O.I.S 5.n fl.UI 0.99 7.5 ,0.62 1-'' o.« 1.9 O.B H 1.21 9.8 O.Sl 3odiua »r <.8 0.1.1 e.o o.ls 7.0 o.w 9.k O.U Yl O.U 9.2 ,0.i* 8.0 0.15 T.T 0.11 IT 1.61 TO l.o4 ! 1 !»ot«^9!'»i k) ' .8 0.05 1.1 0.01 l.T O.Ok 1.2 0.01 2.1 O.OT 2.1 o.oS 1.4 0.04 l.T 0.04 6.3 i.U, '2.SI- »-W uo iit 1,01 4. SI VT* 1 ;ccii 0.00 0.00 0.00 0.00 c o.uo 0.00 « t.M ..-rt^vito CHCOi 14U ;'. 't 1>?> 65 {m 121 2.02 >* l.U >» o.ss ^T1 2.84 13t> 2.06 -i-\tf (soil ...1 ,0.06 0.1 0.01 I..6 o.u 11 0.2T If 4.61 0.4 0.01 8.4 6.11 1T7 p|n -arid* lilJ c.l ,C.1V S.T (l.lS 1.1 0.09 2.7 HiOA SO 0.S6 J.4 i.X >.1 0.1> ^9 1.3B IS 0.42 ,-ijridc (f) 0.1 ,0.00 0.1 0.00 0.1 0.00 0.90 9.1 1 O.OO 1 f I u.uc 0.2 0.01 0.2 0.01 0.2 o.m. 1 O.PI 0.4 0.01 1. 1 0.02 1.0 O.P? O.J 'o.oo 1.0 ;o.o2 0.8 0.01 1.1 6.W 2.0 i 0.0\ ; :;--...l «nlOM 2.62 n 2.47 1 159 l.W i.i\ 4.» 5.17 ..:on (3> T 0.08 0.0^ ?.\!9 O.U 0.09 0. 1 0.09 0.12 0.05 1 ^rdiwai f&B lUCO- loS S4 kfl IIT 56 M 144 11A 16 » Vi .uq J 1 1 V 1 « r. 31 t '5 tin«4 froB 1 M ..atuMO M S«9l f T-16$ TABLE T-ie (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES TRIBUTARIES OF SACRAMENTO RIVER 1960-196! |8tr»—m* 1 ?l4l.9R/0.9 21.1.9K/0.9 21H.9R/0.1 2I.1.9R/0.1 2l.l.9a/0J. 239.OL 235.11. 233,51 229. UL 221.0L Streui ledbank Creek Redbank Creek Redbank Creek Redbank Creek Redbank Creek Salt Creek Butler Slou£h Antelope Creek Mill Creek ^ooaea Creek Location At Sin 99E At K8«e west nr «,A Bluff an. 99 of H«y. 99 at Bvy.99 tr- Date Collected 'i-21.61 k-LS.61 2.15-61 3-21-61 I..IB-6I 5-1.-60 10-7-60 10-3-60 10-7-60 5-1.-60 [210 llPO 1120 111.5 1030 13W UiOO lb20 UI.5 1^30 Discharge. cfs-Mean Daily — — L2 fe«t) 3 (ejtl 15 (esti IB (eatl 19 (eatl 33 f^") 20 (eat) 18 [eetl 32 (?Bt) 33 (est) Temp. **F 59' hU* 51* 59" E5" 62 59 LO.O' 10. g* 9.I.* M* 7.6* 9.6 — — 9,7 Jou* 86* 80* 80*. '9, , , 5* pH Field I^b. r.6 18.2 f-S" 1 7.4* I7.7 7.5* 1 7. a T.3* 1 7.1. 17.6 18.0 l7.e I7.9 7.1 I7.6 EC X l(fi at 25°C hiS 381 13U kkl 321 Ul. ,- 591 ,, « 232 ,, 205 Constituents in me/l ^"me/1 mg/l" n.e/1 mg/1 "Ve/l me/1 me/l (Dpm) (epm) »«/l .e/1 (ppm) (epm) me/1 me/1 (ppm) (epm) mj/1 me/1 (ppm) (epm) mg/1 me/1 (ppm) (epm) mg/1 me/1 (ppm) (epm) mg/1 me/1 (pp.) (ep.) Total Dissolved Solids >18 260 86 l¥. 165 Q? Silica (SIO9 !■; 17 31 V? ■tl U 12 Cations Calcium Kagnesiim Sodium Potassium (Ca us 2.2i. 1.1 2.01. 8.7 0.1+3 U. °-JS 13 0.65 13 0.65 ?•? O.k? (He 19 1.56 17 1.38 5.0 O.Ul «-3 0.68 13 0.67 5-2 0.1.1 5.2 0.1.3 (Na 13 0.56 21. l.Ol. 5.9 0.26 11 0.56 20 0.87 17 0.71. 6.3 0.27 K) 1.0 0.02 1.5. O.Ol* 1.0 0.02 2-5 0.06 I..6 0.12 2.S 0.07 1.3 0.03 ll.UO l..l«) I'U 2.00 2.11 1,B2_ 1.22 anions Carbonate Bicarbonate Sulfate Chloride Fluoride Nitrate COi> 0.00 0.00 0.00 0.00 0.00 p. 00 p. 00 HCo' MO 1.28 168 2.75 60 0.99 99 1.62 83 1.36 65 1.06 69 113 saj llO 0.83 69 1 I.IU. 0.00 3-1. 0.07 13 0.27 15 0.31 0.6 0.01 ■ciT 6.S 0.17 7.3 0.20 lt,0 D.U 13 0,37 22 0.62 SO 0,56 1,9 0,05 F) 0.2 0.01 0.2 0.01 0.1 0.00 0.1 0.00 0-2 P-Ol 0,1 0,00 0.1 0.00 NO,) 1.0 0.02 0.2 0.00 0,2 0.00 0.5 0.01 1,1 0.02 0.5 0.01 0.1. 0.01 Total Anions U.31 it.to 1.09 2.97 s.ss 1.91. (B) 0.1 0.1 0.06 0.32 0.69 0.62 0,07 Total Hardness fAs CaCOil LQl 171 li? 69 66 51. 1.6 NC Hardness 27 33 1 Percent Sodlim 11 23 23 28 31 39 2? 1 * Value obtained from Instantaneous senile ■ atrcM mie 21Q.11 219. IL 197. U. 6O.I.L/O.2 60.1.L/0.2 60.1.L/0.2 stream Deer Creek Pine Creek American River American River American River American River Location S-I.-60 10-7-60 5-1.-60 8-10-60 8-30-60 8-30-60 8-10-60 9-1-60 9-1-60 9-1-60 Time (P.S.T.l llltS 1P1<; 0915 01*15 1015 1615 2220 1015 1615 2215 DischarRe, cfs-Wean Daily Instantaneous iiO f«iit.) — Temp, op fii 68 63 67 69.5 67 f 70.5 65 Dissolved OiiyKen, ppm 10.^ — 6.8 3.8 8.5 8.5 8.1. 8.3 8.1. 8.5 70 91 92 91. 91 91 91. 90 pH Field lab. 7.5 1 7.6 18.1 7.2 1 7.9 16.7 1 7.1. [7.2 17.3 17.5 1 7.2 |7.1 EC X 10& at 2S°C m 177 297 60 56 si 82 51. 60 58 Constituents in m«/l ie/1 mg/1 me/1 me/\ me/1 (ppm) (epm) mg/1 me/1 (ppm) (epm) mg/1 me/1 (ppm) (epm) mgA me/l (ppm) (epm) mg/1 , me/1 (ppm) (epm) mg/1 me/l (ppm) (epm) mg/l me/1 (ppm) (epm) mg/1 me/1 (ppm) (epm) Sun fil* lie 201. 1.5 37 39 52 36 38 38 SiUca (SiO?; V. fo >'• 15 U 10 12 12 11 IP Cations Calcium Ca 9.^ 0.it6 13 0.65 2U 1.20 5.1. 0.27 5.1. 0.27 5.1. 0.27 6.0 0.30 S-* 0.27 5.7 0.28 5.7 0.28 k.< n.iU 7.1. 0.61 17 1.38 2.1 0.17 1.8 0.15 =•3 0.19 1.9 0.16 1.6 0.13 ^■? 0.16 1.7 0.11. Sodium Na 6.2 0.27 13 0.56 12 0.52 3.0 0.13 2.2 0.10 2.5 0.12 5.9 0.26 2.0 0.09 2.1. 0.10 2.1 0.10 PoUssiua K) 1.0 0.02 2.2 0.06 1.2 0.03 1.0 0.02 0.9 0.02 0.8 0.02 1.5 O.Ol. 0.7 0.02 0.8 0.02 0.8 0.02 ToUl Cations l.OQ 1.88 3.13 0.50 O.5I. 0.60 0.76 0.51 0.56 0.51. wnions Carbonate [^^2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Bicarbonate (HCOt 61 1.00 103 1.69 167 2.7U 21. 0.1Q 26 O.Ul 26 o.n 21 O.II. 25 0.1.1 21. 0.39 21. 0.39 Sulfate (SOJ.) 2.5 5.6 0.12 2.8 0.06 0.3 0.01 n,n 0.02 9.7 0.20 0.0 0.00 L.3 0.03 0.6 0.01 Chloride (CI) 1 .7 O.OS 6.0 n.17 3.1. 0.10 2-3 0.06 1.7 0.05 2.8 0.08 3.1 0.09 1.9 0.05 2.6 0.07 2.1 0.06 Fluoride fF) 0.1 0.00 0.2 0.01 0.00 0.2 0.01 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 Nitrate (NO-^) O.U 0.01 0.9 0.01 1..7 o.ofl O.Q 0.01 0.5 0.01 0.8 0.01 1.7 0.01 0.6 0.01 0.8 0.01 0.5 0.01 Total Anions 1.07 0.511 0.66 0.1.7 0.50 0.1.7 Boron (B) 0.(.)fl 0.21 0.05 0.01 0.00 0.00 0.17 0.02 0.02 0.02 Total Hardness (As CaC03l k(i 63 IM TV PI 21 21 20 22 21 UC Hardness 2 2 6 2 1 rflnvnV ?941w 25 30 17 2! :fl 2 . ■1. IJ 9 19 11 1 T-166 TABLE T-19 SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES WASTES DISCHARGED TO SACRAMENTO RIVER 1960-1961 WEST SACRAMENTO SEWAGE TREATMENT PLANT. MILE seoR Date Collected 8-%.6o 8-30-60 8-30-60 9-1-60 9-1-60 9-1-60 9-1.60 TUk (P.S.T.) W5 1720 2325 0520 1120 1710 H Inetantaneouj Tero. "F T8 80 76 7\ 78 77 77 Dissolved 0](ygenj ppa % Saturation bH Field Ub. I7.6 1 7.8 1 7.5 1 6.2 18.0 1 d.2 1 7.6 ! EC x 10t> at ?S"C 1280 131.0 1160 U90 1350 liao iko Constituents In (pp.) meA (epm) »«A (ppm) me/l (ep») (ppm) meA (epm) mg/l 'me/1 (pun) (epn) m«/l (ppnj me/T (epm) (ppm) me/l (epm) mg/l meA (ppm) (epn) -«A meA' (pp.) (ep.) Total Dissolved Solids Sub <>¥t 691 599 622 680 760 663 Smca 310?, ■il 51. W 50 50 ?o ".9 Cations CalclUB " Nagnesiua SodluB ] PotassluB Ca 28 l.llO 12 0.60 ?? 1.10 3D 1.50 33 1.65 22 1.10 28 i.to hk £9 2M V ^.d 32 2.62 26 2.1U 32 2.63 32 2.61. 30 2.M. ^. lU 5.81 160 6.96 IPS 5.31 130 5.66 138 6.00 l£6 8.09 Ukl 6.13 K) l^ o.n v* 0-36 13 0.33 12 O.U 13 0.33 13 0.33 13 1 0.33 1 m^) 16 2.00 35 1.9J. 30 1.61 31 1.72 36 2.00 39 2.16 30 1 66 1 ToUl Cations n.^ 12.90 10.97 U..33 12.61 it: ^2 11.96 Anions Carbonate Bicarbonate Sulfate Chloride ^ Fluoride Nitrate CO-, 0.00 0.00 0.00 0.00 0.00 0.00 0.00 HCO, 355 5.82 3^1 5.92 353 5-7» 3I.7 5.69 382 6.s6 365 6.U 361. 5.96 S0|, H.l 0.08 0.0 0.00 0.0 0.00 15 0.31 7.1. 0.15 25 0.52 23 O.W } i CI £10 5.92 235 6.63 180 5.08 186 5.21. 217 6.12 !^1 7.36 198 5.58 F) NO,) 0.5 0.01 0.5 0.01 0.6 0.01 0.3 0.00 0.6 0.01 1.0 0.02 0.6 0.01 Total Anions n.83 12.56 10.87 11.21. 12.51. lit. 21 12.03 Boron B) 0.6 0.9 0.7 1.8 0.8 1.0 1.0 Total Hardness (As C >COl) 190 182 iK Ite 21". lfl7 192 NC Hardness Percent SodluB U9 5i> ,M ^ 1 Ptw>.nh.t. - Qrtho POL) 16 to 1 1 31. 1 26 1 \l 1 37 1 1 1 Date Cellected Tl^ f r j^ T \ — — 8-30-60 ono 8-30-60 8-30-60 SACRAM 8-30-Xf 21. 120 \ 19 1.55 ^I 1.39 25 2.06 20 1.61 17 1.38 19 1.55 u U 21 1-70 ■"*! >3 ^•2 W ; 2.09 «"? 2.8^ 60 2-H 71 3.09 51 2.28 55 2.39 5? 2- 57 "' L 11. 0.78 10 0.26 li. 0.36 11. 0.3^ 12 0.31 12 0.31 12 0.31 iS 0.3^ «Hk 1* 0.36 12 0.66 IT 0.91. 12 0.66 13 0.72 ll. 0.78 20 1.11 15 0.83 loUl CaUons ^.21. 5.55 7.29 6.t9 6.80 6,11 fi,55 6.66 1 Anions Carbonate ~ Bicarbonate Sulfate Chloride I Fluoride Nitrate '_ ^o^i P-op 9 0,00 0.00 0.00 0.00 0.00 0.00 0.00 Hc6-> 221. 3.67 189 3.10 210 3.M. 206 3.38 257 I..21 213 3.1.9 232 3.80 213 3.1.9 S0|,| 0.2 0.00 0.2 0.00 0.0 0.00 2.0 Q.Ol. ID 0.21 u 0.29 U 0.29 2.0 O.C* al rr 2.17 62 1.75 76 2.U U 2.37 68 . 1.9!> 7* 2.09 75> ?.a-i 78 2.20 ''^ . NO-,) 0.6 0.01 0.7 0.01 0.9 0.01 1.0 0.D2 0.5 o.oi 0.5 001 0.5 0.01 1.0 0.02 Total Anions 5.65 1..86 , 5.59 S.Rl 6.35 1 5.88 6.1^ 5-75 Boron B) 0.2 0.9 «.£ 0.; 1.0 0.2 2.0 0.3 Total Hardness (As C •W3) 1^1 127 laa 1A3 13* lAo 137 ik? NC Hardoei, rux.m smdi.. 37 q id 39 k 1.5 1 .^ 36 B I ftmfcili - Ikita ml u r 8.0 ■ iS ik u 1 V IT ll. I T-167 TABLE T-19 CContinued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES WASTES DISCHARGED TO SACRAMENTO RIVER 1960-1961 MEADOWVIEW SEWAGE TREATMENT PLANT, MILE 47.7L D»t« Collected 8-10-^ 8-30-60 8-30-6> 8-30-60 9-1-60 9-1-60 9-1-60 9-1-60 TlM (P.S.T.) do"; 0905 1505 2105 0305 0905 1505 2105 Dlscharco, gB ,t 0.2-0.^ « 0.2-0.3' 0.2-0.3 • 0.2-0.1' o.a-o.3» 3.2-0. 3» 0.2-0. 3» 0.2-0. 3» Instantaneous Temp. Of 6? 7k 81 71 79 71. 72 Dissolved Oj^Ren, ppm % Saturation pH Field ab. II-3 l7.6 17.6 I7.3 17.9 , 17.8 I 7.8 17.1. EC X 106 at 2S°C 6ih 90^ 9lt9 ato 830 872 8!lT 816 Constituents In (ppm) me/1 (epm) mg/1 "^me/l (ppm) (epm) mg/1 (ppm) me/l (epm) mg/l me/l (ptm) (epa) (ppb) me/1 (epm) ngA me/1 (ppm) (epm) (ppm) meA (ep.) mg/l"*^ (PF-) ■e/l (e«) Total Dissolved Solids Sum m k60 W6 133 1.15 1.1.9 1.36 1.35 Silica (SiO,: 71 57 ?^ 57 51. 55 5* 57 Cations Calcium Magnesium Sodium Potassium A^Donlum Ca 23 1.15 20 1.00 ID 0.50 2l» 1.20 15 0.75 17 0.85 21 1.05 Ik 0.70 Me ao 1.65 2lt 1.96 28 2. 31. 18 l.Ufi 22 1.81 22 1.81 16 1.33 21 1.76 Na fi2 3.57 TT 3.35 8U 3.65 66 2.8j 68 2.»t T7 3.35 61. 2.78 72 3.13 K) i6 O.il 13 0.33 it 0.36 ll. 0.36 13 0.3i lU 0.36 11. 0.36 11. 0.36 IIIHk^ In 2.27 U2 2.33 51 2.83 39 2.16 1|0 2.22 1.3 2.38 IM 2.72 Ui ?•". Total Cations 9.05 8.97 9.68 8.07 8.05 8.79 9.?k 8.39 anions Carbonate Bicarbonate Sulfate Chloride Fluoride Nitrate (COi) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (HCOt 129 5.39 350 5.7U 387 6.3lt 33ll 5.1.7 31.1 5-59 3I*. 5-57 362 5-?l ^5i, 5.78 (SOI,') I.U 0.07 0.0 0.00 0.5 0.01 15* 0.31 0.0 0.00 ao» 0.1.2 22 oM iS* 0.37 (Cl) 92 2.59 96 2.71 83 2.3lt 71. 2.09 73 2.06 76 ■ 2.11. 63 l.'ffl 61. 1.80 (F) ..%. NO,) 1.1 0.02 0.8 0.01 0.8 0.01 0.6 0.01 0.6 0.01 0.5 0.01 0.7 0.01 0.5 0.01 Total Anions 8.07 9M 8.70 7.88 T.66 8.11. 8.1$ 7.96 Boron (B) 0.3 0.0 0.2 0.6 1.2 0.1 2.8 0.1. Total Hardness (A s CaCOl) no lliS iM 131. 127 135 U9 123 NC Hardness Percent Sodiua q 9 37 38 31 37 ''I 3U ^1 Phosphate - Ortho (POl,) » W ■A 50 "« 1 !.« T » 58 * Estimated CLARKSBURG CRYSTAL SUGAR, MILE «3.3R Date Collected 8-30-60 8-30-60 8-30-60 8-30.60 9.L.^ 9-l-» »-l-ft} <)-L.&l lime (P.S.T.) 0225 0600 UlOO 1.9I.J OODf 0800 Mo Discharge. MBi 3.51 sTsi 3^51 isi 3-09 309 3-09 3.09 Instantaneous TeBP. "F 91. 91. 9k 96 92 92 93 92 Dissolved QxyRen, ppm % Saturation oH Field lab . 1 7.2 I7.6 I7.S l7-3 1 7.7 1 8.2 1 7.9 1 8.1 EC X 106 at 2S°C 151.0 11.66''' 1520 i5<;o' 1I.80 11.90 1 jao,, 1210 Constituents in (ppm) me/1 (epm) m«A (ppm) me/1 (epm) mg/1 (ppm) meA (epm) mg/l (ppm) neA ■»6A (ppm) me/1 (epm) mgA (ppm) me/l (epm) mg/1 (ppm) meA (epm) ««/l (Pf) ■■A {e») Total Dissolved Solids Sum 892 573 929 90I. 805 »T? 802 760 Silica (sio?: 35 2g 5U 35 32 33 32 J^ Cations Calcium Magnesium Sodium Potassium A^K>nlua Ca 222 11.08 229 11.1.3 230 U.1.8 228 11. 38^ 188 9.38 220 10.98 195 9-73 186 9.28 Me 13 1.07 26 2.18 29 2.37 7.7 0.63 26 2.17 O.k 0.03 12 1.00 20 1.69 Na 53 2.30 51. 2.35 60 2.61 55 2.39 53 2.30 57 2.1.8 52 2.26 56 2.10. K) 30 0.77 ?« 0.72 29 0.71. 30 0.77 30 0.77 ^ 0.71. 30 0.77 28 0.72 (rail) 26 i.W 25 1.38 18 1.00 23 1.27 21. 1-33 si 1-33 25 i-tA 0.00 ToUl Cations L6.66 18.06 IB. 20 16.10. 15.95 15.56 15.11. Anions Carbonate Bicarbonate Sulfate Chloride Fluoride Nitrate (CO-,) HC03 976 0.00 L6.00 915 0,00 15.00 951. 0.00 15.61. 997 0.00 16. 3U 91.5 15.1.9 95« 0.00 15.67 Bt6 , 0.00 13,86 0.00 11.70 (S0|,) (Cl) 0.0 S8 0.00 1.61. 0.0 59 0.00 1.66 0.0 ■'7 0.00 1 .61 L.5- 0.0, l.SS 0,0 9.7 0,00 0.27 2.0 62 O.OU 1.75 3.6" 61 0.07 - 1.72 5.3' 61 0.11 1.72 (F) .... .. — .... (NOi) 1.3 0.02 1.1. 0.02 0.9 0.01 1.5 0.02 0.9 0.01 0.9 0.01 0;7 0.01 19 0.31 ToUl Anions L7.66 16.68 17-26 17.91. 15.77 17.1.7 15.66 X^,» Boron (B) 0.2 0.0 0.1 0.3 0.0 1,0 0.2 0.2 Total Hardnes? (A: NC Hardness CaC03) 693 Percent Sodii« iV : 3 ll. : 1. 1. £ 15 7 fbeaDliaU - QrUa (POJ.) 6-5 1 7.0 1..7 1 7.2 I..9 5-5 k.1 . 3-3. Estimated. T-168 TABLE T-19 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES WASTES DISCHARGED TO SACRAMENTO RIVER 1960-1961 ISLETON SEWAGE TREATMENT PLANT, MILE 18. IL D.t« Collected 8-30-60 8-iO-6o 8- 30 oSSf 8-30-60 8-30-60 9-X-60 >-l-60 9-1-60 q-1-60 Tl»e (>.S.T.1_ Diachrge, !30 12 Instantaneoua 532 o3i: i- TBiT Teap. "F " Dissolved Qjggen, ppm JS_ OTI? oTir ^8?W- ois ?!iK m- » jk: 12- TZ- I3_ 32_ !t Saturation £H Field EC X IQfc at ;5°C lab. 7.5 Constituents in I960 mg/1 me/1 TX- i8m I 7-9 8.0 Total Dissolved Solids (PP") SiUca (SiO?: U070 1)0 (epn) mg/1 me/1 (ppm) (epin) 1790 mg/1 me/1 (ppm) (epm) 3oy> 1= 252_ uo mg/l me/1 (ppn) (epn) 1630 m&/l (ppm) g626 7.9 1360 k2 (epm) 2320 mg/1 me/1 (ppm) (epm) TTF 1200 i860 ■g/1 me/l (ppm) (epn) 1660 8.2 TlT "So" -mn — =7r- (Pf) , («P") ^ Cations Calcium Magnesium Sodiua Potassium Aamnium 26 H&) ljfc_ 18 26 0.90 26 2.1'< 1.30 _2e_ kT 32U lit .09 Total Cations fm.) 8.8 2eu "W lU 12.33 281t 1.70 lai. "25" 0.36 8.0 IS- 35 _?!_ l -ltQ 2.26 -il- 0.20 33^ mj&. 1-33 17.06 .IL. AJS. Ik "2g" g3.1U 0.36 22 "li25~ ia5_ 141_ Ji. xm gTtg 20 xn 28 1.140 0-31 155 Ji i6.93 l.'''* j2«.<^ g^.60 6.26 js: 1.80 »a 2J!!_ 10 15-01 iL. 6.26 "SSo 15 tnlons Carbonate Bicarbonate Sulfate Chloride Fluoride Nitrate p2 CHCOt 282" TT^" Ml 679 O.IU 277 TUT IL MH ig.77 0.0 m: 12 12.92 TdB" 0.25 JUL nj2. ^oT N^[y oTg~ 0.01 0.5 0.01 _oi J-2_ Total Anions 17. 5U TTW iLfii iBL Total Hardness (As CaCOj T 0-9 15a NC Hardness 0.6 O.lt 0.6 152 150_ 31: Percent Sodiu phosnhate - Ortho ( POl. ) •• MDnttalor AY«r««« Jl. ± -Ji- 26^ I ao.i3 _a_ 1.27 l.llO 20.01 0-36 5-52 0.25 J25_ 5-33 289 22.62 •^55" .18 .5a5L_ 0.03 O.U to.Ol 0.6 25752" EHH 179 _Ul Jfi5_ tr :k± -la- 0.00 19 -Tt 1.50 g^.'t'i U.Tli 293 0.00 16.78 _16_ U.80 500 0.33 0.01 05 21.53 HlJC 327 Jfl6_ 701 19.77 0.01 JiJl 19.21t 0-5 -1&1_ _L.a 177 ^i- 17 _22_ 0.00 ij6_ 3.97 29.01 ^P- RIO VISTA SEWAGE TREATMENT PLANT, MILE II.6R D«te Collected 8-29-60 8-30-bO ".-30-60 8-30-60 9-1-60 9-1-60 9-1-60 9-1-60 TU» (P.S.I.) 2330^ 051t5„ 1200„ 17k0^ 0000 0600 1100 1710 Discharce, MB) 0.32"' 0.32** 0.32 0.32*" o-zT" ).S7" 0.27"* 0.27"* InatantaneouA Temp. »F 76 76 68 76 71. 73 7I. 75 Dissolved Oxygen^ ppm % Saturation pH Field Ub. 17.8 1 7.7 1 8.1 1 8-1 I7.5 1 6.3 1 7.4 1 6.0 EC X l(fi at 2S°C 1060 1080 U50 987 1080 1100 91.3 Constituents In mg/l (ppm) me/1 (epm) mgA (ppm) me/1 (epm) mg/l (ppm) me/l (etm) mg/1 me/l (ppm) (epn) mgVl (ppm) meA (ep.) mg/l (ppi.) me/l (ep«) i^/1 ^^ (ppm) me/l (ec) i.«A^«/l (pm) (ep.) Total Dissolved Solids Sum 61I. 580 623 553 561 631. ^3^ SiUca SiO?, 36 Ul 35 ^6 ^6 37 38 3i. Cations Calcium ' Hagneslun Sodium Potassium Aawnlia c^ iS 0.80 k.O 0.20 U 0.55 12 0.60 13 0.65 17 0.85 18 0.40 16 0.80 «K 20 l.(X 28 ?> 22 }-v 21 1.70 22 1.79 21 1.71 22 1.80 19 1.56 '^ 172 7.1.8 ^l 6.70 i£o (,.<)& lU £.U 11.8 S.w 172 T.ie 172 7.M Ikk ts, ."^ , 10 0.26 12 0.31 8.0 0.20 7.0 0.18 10 0.26 7.5 o.w 10 0.26 6.0 0.15 IMHI, 22 1.22 26 l.U 31 1.72 1* 0.78 26 l.U. 25 1.31 22 1.22 5.8 ' 0.32 Toul C-.tions 10.99 n.2b 9.70 11.61 U.6fc , 4.09 nnions Carbonate ] Bicarbonate Sulfate Chloride Fluoride Nitrate CO-,) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 HCOt 522 8.56 525 8.62 506 8.29 1.27 7.00 S05 8.28 509 8.3fc ka2 7.90 373 6.11 SOI, 16 0.37 0.0 0.00 w 1.00 te 0.83 0.5 O.Ql 111 0.85 to 1.02 k2 0.87 C,) 83 2.31. 80 2.26 88 2.1.8 TT 2.17 83 2.3fc 86 2.1i2 88 2.ka 80 ?.«; F NOi) 9.6 0.01 0.6 0.01 0.8 0.01 0.1. 0.01 O.k 0.01 O.li O.Ql O.k 3k 0.55 loUl Anions ^l.?« 10.89 n.78 10. 6J. Jl.fi2^ 11 >l1 q.T 161 n2 82 88 Jl. NC Hardness Percent Sodium 21. 27 26 21 27 1 Date 6- it-60 8- 5-60 9- 3-60 9-30-60 SPBCmC CONDnCTAirCE - BOTTE SLOgjH ECxlO^ at 25'C Date ECxlO^ at 25'C 292 389 385 36k 11- 1-60 11-29-60 1- 5-61 297 211 293 RECLAMATION DISTRICT NO 70, MILE 24. 2L Date Collected 5-3J8-6C 7-IB-60 i-5-60 8-19-60 IO-II.-60 2-17-61 5-11-61 Time (P.S.T.) 1220 11.15 Discharge, cfs-Mean Daily Instantaneous 66 9.9 105 pH ?ieM Lab. ^^^-^^^ s-^^- ^ 1 1550 1 1 Constituents in mg/1 »k/1 (ppm) (epm) (ppm) me/1 (k IR 18 Calcium <•") 15 0.75 1.2 2.10 Wt 81. 0.69 53 1..33 6.1.3 I..3I. Sodium Na) 13 0.56 k6 2.00 1.7 2.01. 1.7 2.01. 91 3.96 91. 1*.09 W 2.13 Potassium K) 1.3 0.03 1.1. O.OU 1.1 0.03 1.1. O.OU Total Cations 2.03 10.1*3 o.?5 6.51 Carbonate Bicarbonate Sulfate ] Chloride Fluoride Nitrate CCl) 0.00 12 0.1«) HCO^) 90 1.1.8 299 1..90 , soy 9.1) 0.20 ►cTf- 13 0.37 85 2.1.0 68 1.92 90 2.51. 153 I..U 166 it.68 60 2.26 rf 0.1 D.OO 0.1. 0.02 Mr,) 0.6 0.01 0.02 Total Anions 2.06 9-65 Boron (B) 0.06 0.22 0.22 0.20 0.21 0.26 0.17 Total Hardness (As CaCO:^) 72 217 L97 220 322 322 217 NC Hardness 77 Percent Sodium 28 38 39 11 Color (Units) 5 Turbidity (Silica Scale) 3 1 1 1 1 1 1 Odor(Tlire3lioLl) (60'e) t Nitrogen Serier SFBcmc Sate I 5. 2-60 6- 1.-60 6-17-60 7- 1-60 7-IB-60 8- 5-60 COBDOCTAIICK - BK CxlO^ at 25*0 552 736 820 771. 652 59'» •LMWTIOH DISTRICT 10. 70 Date ECxLO^ at 25'C 8-19-60 671 9- 3-60 592 IC-II.-60 1,060 12-lk.60 1,010 2- 3-61 l,0t0 2-17-61 1,130 Organic Nitrogen _ Nitrite Nitrate j Amaonlum K 0.2 KOp 0.00 SO, 0.7 NHl, 0.0 Phosphate - Ortho P0|| 0.1 Total PO 0.1 Ether Solubles 5.1. Biochemical 6xyBen Demand (5-Day at 20'C) 0.69 1.03 Chemical Oxyeen Demand 6.5 Suspended Solids ll6 Detergents (AB3) 0.0 Phenolic Material 0.00( Settleable Sollda (ml/1) T-170 TABLE T-20 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES AGRICULTURAL DRAINS 1960-1961 RECLAMATION DISTRICT NO. 2047 MILE 99.0R Date Collected 8- 5-60 8-19-60 9-1-60 Tine (P.S.T.) Diacharge, cfe-He«n Dally lofltAntftnooua Temp. "F Dissolved Oxygen, ppB ^ Saturation pB Field Lab. J 1 I EC X \.6^ at ^rc 155 1>\ Coiutltu«nts In .«/l -/I (h») (ep.) (pi») («-) (PP") (ep.) Total DissolvtKl Solids Sum Slllc. (310,1 Cations Cslclim Hsgneslun Sodlxon PotossluB Ca >« n. 7 D.-» 8 0.15 8 0.15 K) Total Cations Anions Carbonate Bicarbonate Sulfate [ Chloride Fluoride nitrate <»1 , HCOjl soil CI It.k J.12 l..l> 0.12 I..8 O.U r) , no, Total Anions Boron (B) o.u O.IC 0.07 Total Hardness [As liaM^t) 60 56 *>> SFBunc cowwcnacE Bats 5- 2-60 5-2k-6o 6- k-6o 6-17-60 BCilO" at 25 C l£o 178 183 172 mcmiATiOB DiatmcT lo. ao>7 BCilO^ at 25*0 Date 7- 1-60 8- 5-60 8-19-60 9- 3-*0 161 127 152 157 RECLAMATION DISTRICT NO. 787, MILE 93 .6R Dat« ColLectad 5-lfl-& 7-l»-6o 8-19-& 5-11-61 Tl-e (P.S.T.) Slo IMO Dlscbar)B«. cfs-Mean Dally TC. V TO a Dissolved O^orgen, pi« 7-' T.k % Satiiratlon io n pB Field Lab. 7-3 J,7-7' ■ -si 1 1 Constituents In ■g/1 Btrt (PP-) (el-) (n.) (.9) (P1-) (ei-) (PI-) (i^-) Total Dissolved Solids 271 3\s. 272 Silica (310?) 20 CatloDS CalcliB Ca) 21 1.05 tkgnesliB •^ 21 1.75 3.02 Sodlua ^ l2 i.Bi 36 157 32 1.39 50 2.ia Potassl\n k) 15 o.oC 1.5 e.ok Total Cations k.47 52* Anions Carbonate Bicarbonate Sulfate '_ Cblorlde Fluoride Nitrate 001 , 0.00 HCO, 159 2.6l »> 3 l.a CI 28 0.78 « 0.85 29 3.82 li 0.71 r 0.1 0.02 NO, 1.7 0.01 Total Anions ),.ii Boron (B) 0.63 0.65 0.62 0.78 Total BarAiess (As Sal»,) ito l6l 1*0 151 HC Hardness 10 Percent Sodliaa » k2 Color (Units) ^ Turbidity (Silica Scale) 26 1 i 1 Mor[TliresVold) (bO'C) 5. S NitrOKcn Serier SFicmc ccmonAKB - xaciAWTioa siar Organic Nitrogen _ nitrite Hltrate "1 0.3 HO? 0.01 «0, 1.0 nci K). 787 HHl, 0.0 Phospbate - Ortbo P0| ~ 0.1. Data KxlO* at 25*C 6-17-60 »59 7- 1-60 396 7-18-60 k79 8-19-60 k31 Total POl. O.ll Etber Solubles n Blocbemical Oxygen DsKiid (5-aay at 20*c) 5.JI l.Sk Cbeaical ttoRen Demnd 11.0 Suspended Solids nb Detergents (ABS) 0.0 PhenoUc Material 0.005 Settleable Solids (al/l) SYCAMORE SLOUGH, MILE 90.2 R/O.IL Date Collected 7-1B-60 8-5-60 2-1-61 Tlae (P.S.T.) DischajBCi cfs-Mean Dally I ns tantaneoufl Temp. •?■ Dissolved Oxygen, pin f Sattiratlon pB Field Lab. 1 1 L EC X \.t^ at 2^"C 65 1 Constituent, in .g/1 (PP») -/I (ep=) ag/1 ae/l (PI») (q-) (pp.) Total Dissolved Solids Sias saica SiOp) Cations Calcium HBgnesi\a SOdlUB Potassi^a 'cT ! OH i5.69 N? k7 ?0^ ll5 1.96 97 1..22 x) 2.5 0.06 Total Cations 9-9T Anions Carbonate Bicarbonate Sulfate ] Chloride Fluoride Bltiate I OOl) ROOl) . XL) of- 52 l.l7 U 1.2k 97 2.7i> rf" no,) Total Anions Boron (B) 0.98 0.92 1.2 Total Hardness (As !a»,) 208 as HC Hardness Percent Sodium k2 1 SF ■KI TIC COKDUCT AITCE - 3 TCAICRK iuxAld 7-lfl-«0 8- 5-60 2- 3-61 BOclO" at 25'C 6W4 561. 93* RECLAMATION DISTRICT NO 1000, PUMPING PLANT NO. 3 ,MILE 66. 3L Date Collected 9-30 .« U>-U-60 U-U-60 5-12-61 Time (P.S.T.) OTW Discbarge, cfs-Hean Dall^ Instantaneous Tew. "F 62 Dissolved Oxygen, PI» L» t saturation ^ 1 g TTl'S'gTO'^' 5lr^— z s 18.5 ■ ^ Constituents in ■gA ^^^meyl (PI-) (ep.) ^l^-eA (pp.) (e.-) (PP-) (•J-) Total Dissolved Solids SVB Silica ISiOp) 15 Calcium Magnesiisi Sodlv* Potasslva Ca 16 i.ao U 2.10 26 2.1£ 17 1.01 1.60 i|^ 2.00 •a ?.?6 61 2.65 » l.V IC^ 2.5 0.06 3.0 O.oe 1.5 0.0k Total Cations 6.ae 8.06 ».9k Anlooa Carbcnat. Blcaitooate Sulfate aUorlde Pl.nrld. Nitrat. 001) 7 0.21 F ?!s «*1 iZl 3.62 2*5 b.oB w oj' ■pf l.«k 69 1.9* 9l 2.45 19 0.5k fV O.k o.oe 03 O.OE mi,) 2.3 o.ok 51 o.ot Total Anioos i.M T.a loroa (») 0.16 o.u 0.V5 o.u foUl brlness (As imltlx) i^B S» U llClanlness 17 Si Percent Sodliv 33 3J 1» 1 ancinc co nn :tAi El - n CUMdlB T iO. 101 x>, pop: JO Puur ■>. 3 Date Kilo'' at 25'C 1O-U.40 U- 1-60 U-lk-60 «T3 7«9 768 T-171 TABLE T-20 (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY RESULTS OF ANALYSES AGRICULTURAL DRAINS 1960-196! RECLAMATION DISTRICT NO 1000, SECOND BANNON SLOUGH, NATOMAS MAIN CANAL, MILE 6I.5L Date Collected 5-a«-&) 9-1A-60 ll-Uk.60 11-29.60 2-3-61 2-17-61 3-3-61 3-2I.-61 I.-7-61 TUne (P.S.T.) 211.0 Diacbarse, cfa-Mean Daily lU U. InBtantaneous Teap. ^F 71 Dissolved Oxygen, ppn It. 3 $ Saturation 1.4 pH :^leld Lab. ll-'' 18.0 J 14.5 1 1 1 1 L EC X Ibt- at 25'C 1.14 5M !M 629 Ui tns 869 m 277 CoostltuentB In i»8/l (ppm) og/l ne/1 (ppm) (ei>) me/l (pp.) (ep») ng/1 n«/l (ppm) (epm) ms/l me/1 (pl«n) (epm) (ppm) (epm) mg/l me/l (ppm) (epm) me/l me/l (ppm) (epm) mgA me'TT- (pp.) (ep.) Total DlBBolved Sollda lUo Sun ijS 3S6 Silica 310?) 20 31 25 Cations Calcium Haeneslum ~ Sodlun Potassium Ca 25 1.25 33 1.65 36 1.80 ^ 16 l.M 27 2.19 29 2.3« 2.5V 5-*I 5.97 5.69 1.70 Na n. l.M 1.6 2.00 1.5 1.96 50 2.ld to I.7I. 73 3.1* 66 2i7 62 2.70 22 0.96 K) 1.5 O.Ol. 1.9 0.05 3.0 0.08 k-? o.u 2.1 0.05 1-9 0.05 2.0 0.05 3.0 0.08 Total Cations k.oi 5.09 6.1.2 "..39 8.90 8.89 8.U. 2.7". Anions Carbonate Bicarbonate Sulfate Chloride ' Fluoride Nitrate " CO3 0.00 0.00 ID 0.33 HCOj 153 2.51 251. K.-ii 193 . 3.ii 901, 21. 0.50 1^ 0.33 cij W 0.« 1.5 1.27 66 i.8(; 72 2.03 I«) 1.13 92 2.59 &6 2.1.2 6i 2.1.2 20 0.56 F| 0.1 0.02 0.1 0.02 0.1. 0.02 NO:,) 1.5 0.02 1.0 0.02 5.9 0.10 Total Anions It.Ol. 5.do 5.6J, Boron B) 0.16 0.18 O.llt 0.13 o.ia 0.21 0.35 0.37 0.16 Total Hai>ine88 (As ~j>.a),) 127 192 208 127 28I. 299 265 85 NC Hardness 2 50 Percent Sodium 30 3". 3> to 36 32 32 35 1 Bpscxnc camaaaiMct: - vsoMuaicm Diaaicr no. 1000, BtCOB) BUOKM BLOWa. »AI0W*3 miK CAIIAL D«t« ICxlO^ «t 25 *C 9- 3-60 ll-lA-60 U-29-60 2- 3-61 2-17-61 531 611. 558 1.25 823 NATOMAS EAST MAIN DRAIN (BACK BORROW FIRST BANNON SLOUGH), MILE 60.6L/I.4 Date Collected 5-2^-^ 7-18-6) d-5-& 8-19-60 8-30-60 8-30-60 8-30-60 9-1-60 9-1-60 TUne (P.S.T.) uto 171:5 231.5 05to iito Discharge, cfs-Mean Dally Instantaneous TOO. "F 72 7U T2 68 72 Dissolved Oxygen, pi»i 1..0 68 3.5 1.6 3.7 J> Saturation 1.5 79 to 17 1.2 pH rieia Lab. I7.0 1 1 I7.8 ij.3 18.1 U-l I7.9 EC X 10" at 25-C irk 1.^8 m w ^90 iii ,„ja! Constituents in mg/l me/l (ppm) (epm) mg/l me/l (ppm) (el«) (ppm) (epm) (ppm) (epm) me/l (ppm) me/l (epm) mg/l (ppm) me/l (epm) mg/l me/l (ppm) (epm) mg/l (ppm) me/l (epm) me/l (Pt") (epm) Total Dissolved Solids 118 Simi Kl5 253 558 S53 250 238 saica (SIO?) 21 53 53 56 5". 5k Calcium Ca] 11 0.55 20 1.00 23 1.15 20 1.00 19 0.95 19 3.95 ■ lt.5 0.37 12 1.00 ID 0.83 11 0.90 12 0.95 10 3.87 Sodium N? 0.5^ to 1.71. 50 2.18 to I.7I. 38 1.65 1.1 1.78 38 1.65 38 1.65 35 1.52 Potassium k) 2.1 0.05 U.6 0.12 I..6 0.12 I..9 0.12 1..6 0.12 1..8 0.12 Total Cations 1.53 3-n 3.88 3.67 3.67 3.1.6 Carbonate Bicarbonate Sulfate ; Chloride Fluoride Nitrate CO1) 0.00 0.00 0.00 0.00 0.00 *HEo?r 52 Q.85 131 2.15 130 2.13 128 2.10 121. 2.03 120 1-97 w^ 8.7 11. U 0.33 11. 0.S9 13 0.27 12 0.25 w~ lU 58 1.61. 58 I.6I1 56 1.58 1.3 1.21 I.J. 1.21. 1.2 1.18 1.2 l.lfl to 1-13 tT 0.3 0.02 0.3 0.02 0.3 0.02 0.1. 0,SS 0,3 0.02 NOi) I.. 7 0.08 3.6 0.06 2.0 0.03 3.5 0.06 5.9 0.10 3.9 0.06 Total Anions 1.51 3.73 3.75 3.65 3.60 UO Boron (B) 0.1.6 0.1.3 O.Ul 0.31. 0.27 0.35 0.31 0.26 Total Hardness (As CaCO^jJ 1.6 117 118 119 100 99 95 95 91 NC Hardness 9 Percent Sodium M. 1.6 1.5 1.5 1.1. 1 6- * 6-n 7- 1 7-ie 8- ; 8-lS 9- ; 9-3C 10-H SPKD 10 COnjOCTAJKE ■ KATOHAS EAST MAH DRAII 25'C a i-6c -6c -6< -6c -6c -6c -6c -6C -6C (BACK rcxio6 361 371 38' 1.5 1.7 36 1.51 28 BOBllOV n St 25*C L JOT BAH* D 11- 11- U- 12- 1- 1- 2- 2- ON SLOtm ate 1-60 llt-60 29-60 11.-60 5-61 23-61 3-61 17-61 i) Kx1d6 at 278 167 22H 21.2 226 215 1*3 201 T-172 a 3 C > V> o o a. UJ O l- CVJ < I $ •- CD CC ^ P < O < CO W 2 UJ — ^ ' 1 VJ ii __^ $ :ia CC 0. CO o s s o I >- o o OJ o rr -X — "" ' ~ 'if q: : ^ -1 ro •a m ^ 1 n a ?? *, a R r-t 3 a ?! 3 & 2 H d H o rn o OJ O H o o rO 1 vO f\l cy u\ -1 cy IT 8 a oo o ? BO 3 d C\J ! s 3 o c r o t- OJ OJ OJ O 3 8 ^ ■^ 8 rf OJ ^ a s d 8^ oo ^ H o OJ o ^ o OJ o o o m < B r vO ^ CO 8^ s c < \J IT* -1 m cvj a i^ M3 s S 8i ^ ^0 -* o 3 A o >o o OJ 3 o (y a ^J-^ M3 8 S S H OJ o o OJ a r o o H 9 m 9 H 5 H 9 ^ £ 3 V c ' J ^ c t S o 5 O • 5 - V. 0^ o V 1 i XT c 4-> 3. V 1 V < S s 1 1 « ^ sills S li " r^ J 3 J o d -. S 3 (H - •H o n CO u. a 1 4-> E 1 ■i SI m « S^S SJ : g s CO o ^ 5 B ^ E ^& T-173 E Cil06@25*C 150 f- ZOO FIGURE T-l SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER ECi 10' 925"C 250 ISO 50 1" -*— ,- -.^ ^ ^^ FREER )RT y ,'\ S * ~"- ^_ ._^- — ^ ■"^^ ^^ '^ -^ 2 S S 1 100 - 200 50 - 150 -• 100 MARCH 27-APRIL 2. I960 E Cil0'@25'C 150 I- 200 EC>10*@25*C 250 200 ISO so ^ « FREEPOR ■ s^^ CORD 4 * ___ — — ~ " ^ ^— """ ^ ^ - ^- . — ^ — — ; s i « ^ -Jo -"100 APRIL 3-APRIL 9. I960 T-17A E C I IO«eZ5* ISO t- 200 ECilO«»S5* ISO I- ZOO FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER tCtlO««iS'C il A 1 1 —/A 1 ISOfC c OLUSA et SIM DRAIN -\ /\ ( yv' \ 1 \ \ /-\ 1 \ -J v_,-^_-^ — ,- __. ^ ..___. 1 j $ FREEPORT — V NO RECORD- ^ .^ _, 1 \.^ .^ ~l- ■ 1 — «^- -w —4 —-.-.- s^ s 5 1 - 2 2»0 - w > s o 200 3 too -I ISO -i2M » - 100 - 200 - 50 - ISO APRIL 10- APRIL 16, I960 1 1 7- f _ ..—{\ ■e 250 1 A leo BLU ^ ^ / f \ ( 1 \ 1 a 1 1 I 1 1 1 I 1 1 1 1 u 1 r- 1 \ V ABOve X .' I 1 1 1 \ \ " / •^ 1 J N ^^ / 1 \ 1 1 1 ? 150 — — -/-^.y V ^ --■'N.-. ->_' ^^. ">-•— V '•Ny ■'■"^r \ 500 lOO 1 50 S4CHAI lENTO we R / x _^ ISO \ _^., / — .._ ■ .. .^ ^_ ' \ . _ ^ ^' ^ '00 J\^ --— < ■ FREEI ORT - /^^"^ 4 * —^ — r^' .-~ -J "^ — — " ■ •--^"■~" ' ' s 1 1 3 i 5 1 CCilO"«8VC 100 " xoo APRIL 17 -APRIL 23. I960 T-175 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C » I0« Q 2 5" C 150 - aoo 100 - ISO 50 - 100 - 50 . * ^ „ ft k. ..-..-. ^ __. —.'->— fvTT ''■^ R£D BLUFF ; \ \ / 1 /v. ,*> \ \ 1 1 / \ \ C-' 1 ^ ^^^"^w ^^^'- 1 \ 1 1 \ 1 \ 1 / \ ■^"s I ^ — ABOVE COLUSA BASIN DRAIN ^ .-N SACRAME NTO WEIR- /■ > "X'' ■^■■^^ / \ ,* "s .. r\ 1 ' \ / \. v„-^ N../- / V J / \ /"^^ / ^^ / -y \ ,/-'[^-^ ^-v./ , / "^_ _ y -> -•^ — F !EEPORT- -^ 100 - 150 -1 2 50 - 100 - 200 -"0 -"too APRIL 24-APRIL 30, I960 E C 1 IO«^ r"^ KJ RED I LUFF ■» • ""■^N. z"^- \ 1 \ f' 1 \ / / 1 \ -^1 V 1 ^ . 1 \^ ^. 1 \_ .^'> \ . / 1 V y \ ^LUSH B/IS //V DRAM f\ ..._._ \ 'V / •^••. ../ > J \.. ^..^ /' ^. \ / ..^ ../ ■■""■•-/ .._,^ / v../ ^■v,..y x./ /^ \ y >^ /•■\ j^ -^ ^__ * /■ ^--^^ ^ \ /- ^ — -^ ^-^^ V. ,- • ^ FREE _/ 1 i I -I -* 100 MAY l-MAY 7, I960 T-176 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER C C »I0««?5* I ISO r- 200 r } - no - 250 '- iO - CCilO*«}9*C too - 200 MAY 8 - MAY 14, I960 E CilO*«25-< ISO r- !00 r i ec»io«*^ — "" ove coLU SA BASIN IRAIN / \ V r — / \ 1 \ v_' — / — > \ K . J ^-«— •' ^ ., -/ SACR HCNTO Wl IR — V r > ^. / \ V — V. ^- — ^..y — T 7- ^J - / \ ^ . v_ • .' ^... ' ■ 1 »» O r—\^ .-— ^--^ ^ ^^ ~^'^. __ ^' \ ^- ^' \ ^- . , ^^^ ^-^ 's^ ^y^ s, 1 1 ^F lEEMRT S s ^ s s 1 1 i I — — « a •* o 250 -1 500 00 - IW -il50 lOO - ZOO MAY 15-MAY 21.1960 T-177 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C.t0*@25* 150 r~ 200 EC. 10* @25*C .. — ^ R£0 BLUFF ZOO *-*•*' •^/"^N ''"'^ . /> v-^^ - / V y~' \ , J /" '\ ^ . -\ x^ "*\ \ v_ — , v — — ~ \ ikT COLUS. 1 BASIN DRAIN SACRAMEf (TO WEIR- ^ / ■\ \ "'" ■^.. ^ ^"' \ ^—j \ r ^ \ f ■s ^-\ -~^..j V-..- ... .,^.- ^.^ .^ ' A ^j '^N - f—.J^^.-. "^ ^^' _y -^ V _^' V, ^— -^ "^s. ^ ^ 1 * ^ * ^ i I 250 -1 300 MAY 22-MAY 28, I960 E C » 10* 9 2 5' C EC» 10* (a25'C ISO - 200 100 - 150 50 - lOO - 50 X RED BLU FF^ _^ -* — ''^>« — -• - — — \ -^^-.-^ y -'' ■^--_. — < »^— . — '^ __y v.- ISO V, BOV£ COL ISA BASIN DRAIN 100 ^ ^ SAC lAMENTO V rEiR -^..^■ -~..^-, _..^ ' '"■^■..^ ■■-... ..■ ...^ — ^ - , — - "-^ ■ PRE :port — ' "- ' % ■ s « 3 ? 1 ■ '■ -■ •— ^ -^ — - -— , ^" ^ FHEEPOHT - » « 1 s i - -- s I I ?» -I 500 100 - 200 JUNE 5- JUNE II. I960 L C ■I0*9?5*C ISO (- 200 r- ^ o ... 1 1 1 h— NO HECORD— f ^^^ RED BLUFF ■ — '■ V.u-"'^ -'■<._- — - ' ^J \" -^^— VJ — ABOVE COLUSA I ASIN DRA N ^~^ - — - , 1 "■- ,-^., ~*"*^.^- I''" -J 1 ^ ~""^ '*■""'-'"•" -■ 1 ^ SACRAMEN TO WEIR — y ^ y^j — ^^— ^^ -' ^^-r~ — w^^ -— v' '. ^ w^^*^^ ,^^^-' '* — »--. r^v- / j eCil(l**29*C i I »0 * 250 -I 500 (M -|2M too - 2O0 JUNE 12— JUNE 16,1960 T-179 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C » 10*9 2 5' - 200 ECi 10* @Z5*C '250 -200 ~ ISO - 100 ^ RED BLUri .--^x V J» — ^_ — — N.— — - .— •*- t—''^ " '• ^, BOi^S COLUSA BAS/N DRAIN 50 "■ ■■•X ^" ■^, -- ^•— - '^-.. ^... — ■■■ "^ ._ . — ...- '•■V... y" ~- "~ -••—^ V-SAC JAMENTO WEIR o . -V ^^ '~\ "■^v-/-" "^'^-y" V ^^^ *— — ->^ L-.'-'-v-^i-— s ^. ^ \-PR EEPORT s 2 i s i I 250-1 300 50 - 150 JUNE 19- JUNE 25. I960 EC.IO«@25*C ISO r- ZOO I- 50 - lOO -200 ECilO*S25*C ^^RED t LUFF go SECOH ) • 1 \ _^_ 1 c^^ *^ ^^^ AB(. VE COL US 1 BASIN MIN ^..— — _. .- — ■ '**"•-■»—.._ . .-- 7 """"'^-■.._... — SACf AMENTO V E,R^ * ^ /N ^^ — ^^ /^^ — ~ _-^ — V-.--^ --A \ y ~^ \_- — y- ~*" "^ "V.^^ FREE 250 -1 300 150 - 200 JUNE 26-JULY 2, I960 T-180 FIGURE T-l (Continutd) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER eciio*«2s*i 150 I- 200 r is: -ABOVe COLUSA BASIN OflAIN SACRAMENTO WEIR-' ~t • •w.^: ^ ^ ^^^.r:^ T~ 2^_ ECilO*«2S*C t I i I JULY 3 - JULY 9. I960 ECilO*«25*C ISO |- 200 f- ECalO*«25'C J ^^RED BLUFF ----._. ___^ r - -»-' — -^ *•*' ~ ^ V — "* ^ ^^ — AB> ve coLus 4 BASIN a •AIN j 1 1 1 ' ■*■" •^ -'■ — ■ — . — -r-— SACR AMENTO W ER— ^^ ^ ^ ^^ — ^ ^ . '^-^'^ . -.^v- 1 ^-^^ ^ — -v-.^ /•^ FREEPORT- ' 290 -I 3O0 M - 100 - ZOO O - 50 - 150 -> -'too JULY 10 - JULY 16, I960 T-181 E C »I08 9E5' C ISO r- ZOO r- FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER EC>10«92S*C "\"" ■" ' \ -RED BLUFF -^ — ^^ ~^ -'X^^ ■»-.— -^ ^ *— ' ^ -ABOVE C OLUSA BA :/t/ DRAIN J ■"■^.•— .... ""■' ■•- SACRAMENTO WEIR — -V ■ — -~~,_^' -- — ■ --Vy- . — ^y ' — *>. — -^ . . ».. ■ 7 „ , ^ ^^ ki FREE PORT-/ \ 1 S s Pi 5 ? 50 - 100 - 200 - 50 - ISO JULY 17 - JULY 23. I960 E C» I0^@25' I /50 f- 200 r 100 - 150 j ECjIO^ @Z5»C *- 50 - 150 / ABOVE COL USA BASIN DRAIN .' '-' "^w--" ^— -^^ ■' ■■>.' ~\^ \. .^^-v.- >., — V (•--^w^ ^— -^^^ -^-^^^ ■>^^^- — «.- -V SACRAMEN \ .._..\ .-^•■•\_..*^ .^..^.._ .-»-•. _■ FREEPORT- \ '■ -'"v. ■*■..■•■ /\i 1 ^^ "'*', — ^-■* /■"— '^ ■^ r— -N_^-^-\ ■^^-^^ y ^ ' ■\_ y ./ JULY 24- JULY 30, I960 T-182 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER CCilO»92VC ISO I- 200 r- CCilO*«29>C -s--- ^. .^4-"° RECORD — -■"*"■— ^ -f --„ — -.v- ^ -V v-^,- ^- — '-^ -.y ^-^ — - ^ AeW£ COLUS A BASIN DRAIN s.. .•— — -1 ...^ • — ■••»., ^ v SACRAMENTO WEIR ^^^-^ ^\ / -^_ . ^/^ ■~~-x^^ ' v-^-^"' "■^-^ ^ ' 'X ' ^^ ~s.y " ^ FRE :port — ' - ■ a - « a 290 -I 500 JULY 31 - AUGUST 6. I960 ECiP0*»2VC ISO r- ZOO r- ECilO*tte5*C I "■ ^z'" "^ 'v__^ — _' -'>■' 'X ,y—' ■v / s \ ^^ ABOVE C OLUSA BA. ;/« /7ff<)/w /"•^-'"■~ ^..-_..-^"' ^.., I __^ ^ SACRAMENT 3 WEIR ^'-%rs y '^- ^•'■"■ "'^ K. — 1 - FREEPOR T >.-'- - V.-'*- i ^ ■■ ^^^— '» 00 - 190 -i250 <00 - 200 - 90 - 190 -* JlOO AUGUST 7-AUGUST 13, I960 T-183 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER ISO r~ 200 r eCitO*®25-C ^ ■^_/ — -^_1 " • \ , — -^ *— ,^— — ^ - \_, ^ y~^ V. ^^/ ^- .^ V -ABOVE COLUSA BASIN DRAIN 1 ^_ . ^ ,^-.- ,... ^..- — --1 .^•■"^--^ ,-■" 'jr~ ~-'— -^ ^ ■ .... SACR4ME no WEIR — ^ ^.-^ y*-i '-^^ ■^ ^^•^ ^^-~'~. ^^^^ ^ — - ^ — -J-^ ■" FREE PORT^ t I 250-1 300 AUGUST 14 -AUGUST 20, I960 E C»10*@25"C ISO r~ 200 r j ECi IO*@25'C 1 1 .,„„L„„ 1 1 1 , H r-i 1 ■■■--■ ^RCD BLUFF i\ ■^ \ '^COL USA r " ~~ ^ N-_» ^^ — -» ■\ / •s^ 1 k ^~.J \^-^-, ^AB WE COLUi 4 BASIN L RAIN ^" "*** — ■-. ^' ••^- ^•■- -.._..-^ .^■— ••• ^. y- — .... .••-'■—•■ . ^S4C ramento weir /' "^ ^ ^. ^^^^ -^~^ --s- ^•^~^-> y^_ _^. ■- ' . .^■^ "^ X.^ -^^— ^- VpR :eport i I 300 ^ 50 - 100 - - 50 - -Jo -• 100 AUGUST 21-AUGUST 27, I960 T-184 EC-I0««?5-C - ISO - 250 FIGURE T-l (Conlinuad) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER cc.ia»«»»'c 100 - zoo - '50 - so - 100 - 50 \ X X 1 1 .»-»*■ ^ — RED BLUFF 1 ^^^ — CO '.USA ABOI/e COLUSA BASIN OKA ""■>—. /^^ , NO RECOI XT y "^ ._ .-.^ "• V. SACRAMENTO WElR- ^ . .^N /^*X. ._k. ~^:^ ■-^"^■^H . -'■■'" '" ~** 1 _^'-'-^^« ^^_^ -^ — -^"^\ /^ '^- ^-'^ ^ ' >- -A ^-~^- FREEPORT-^ 1 AUGUST 28-SEPTEMBER 3.1960 C C « 10* « 2 5* C 150 r- ZOO f- tCilO*«2»*C \_ w »fO fii4//r — ' i 1 o COLUSA ' i ^-'-v - M NO HI CORD "•-I « ABOVE CO (.(/J>« flil5/ r- -% ^^ y 1 ...-^"V -■ — J..— ^ -'-■ ^ — -^..^ ~.. .^.■— -^ ^.— — ..^ ■-■s ^■— * \ 290 \ SACRAMENT WEIR 1 -•'^ ^ i— 200 - ^ ^^ -■^-'■^' ^ FREEPORT ISO 1 100 150 -iJSO 100 - JOO -I J 100 SEPTEMBER 4 -SEPTEMBER 10,1960 T-185 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C ilO*@25"i fso r- 200 r ^~REO BLUFF _.^._. . _.__.— ,. ^COLUSA ^, "N \ -- ' ■*■-• ./ N .^. ■V-- f^ ^ — — — .-..^' '^ABOVE COLUSA BASIN DRAIN 1 1 ^•.-^•• ^.._-— * ^^.. — ---^ 'V- *"^--- ^•* •- ..^•"^* . — . ^SACRAMENTO WEIR - / — •^^ -A^ A '^^ ' '>— *-N -^ ^W ^FRE EPORT ! j E C . 10* (J i I "" o 300 ^, SEPTEMBER II - SEPTEMBER 17, I960 E C « IO*@2 5'i 150 (- 200 r i ECilO«(a25'C ,^F>F > BLUFF ..— — "■ ^._. *■"" — ■ \ — CO. USA ^ r'' WE COLU. ■A BASIN ■)RAIN — \ > — /•^^"^ >- /^^— 1 ""v ft.^. - J ^ f--y /-\ r\ r'\ .. y—%tA RAMENTO WEIR '■. ../ ~"^-.^- y V y ...^ r N ---'*>' ' '^~'\_ , -^ ^1 — > \-- - — -^ ^^^ ^ y" _-^— -* ■^-'~^^ ^ — FRi EPORT SEPTEMBER 18-SEPTEMBER 24,1960 T-186 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER ECilO*«2VC j cciio*a2vc 150 - zoo 100 - '50 50 - '00 - 50 1^ 1 _[ ^MD BLUFF *-L . .i_. . 1 -..-^ ^ . ■" ■■ ~ ■ 1 1 1 '^COLUSA l\ ^^ i ' \ 1 \ 1/ \ /■\ / \ 1/ V. "\" ^ABOVe COLUSA BASIN DRAIN ,■•" r\. y \. ./N, ^•\ ^■■\. .— ^ . r\ '-\~" --^..^ '■^ ^-'^ k ,-■» — _N,_ r — ^SACRAMENTC WEIR ^/" (^ o ^^ * "^ \._ — .^^ »« ^ ^FREEPORT V ' s s i * 2»0 -. > % 200 I 00 H 150 -i2S0 100 - 200 SEPTEMBER 25-OCTOBER 1,1960 CCi(0»e25'C /50 I- 200 I- j eCilO*«29*C J ^-ll£l ) »if/^^ ,^ — V— — .— v„ LUSA ^^\ /-■ — ^ r'^~\ I' '^ / I 1 \ y ^ — — — -^ ^ *^ — * ^""■^vS. ""—ABO l/f COii/J » BASIN DRAIN ^SAC RAMENTO WEIR />. ■^■"•\ .^•^ r \ 1 > ■•■ -• ■ — ^ ■■■^../<>. *- ■ — — — . ..- — *>■ / V. ^^\ /^ V ■^ .-^^N ~^ — r^A^ -■'-N -- V ~" ' ^-y ■""'v.^ >.. v.*'n,J V-FR EEPORT 210 -| JOO I90 -tZM Jo -"100 OCTOBER 2 - OCTOBER 8, I960 T-187 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C«lO*@25" ISO I- ^00 EC,lo6(925-C , — j____ 1 KeO BLUFF . „ \ — . - " ^COi US4 r"" Vf COLU. -a 8JiS/fi/ 'Kam 150 ''^ k « — — — — . ._ r. ! \ / — SACRAMENTO WEIR / 1 .J ^- r •vC^ X. /--v V ~ ^^ f ^ _-- ' ■-^ — , -^ X , ,^^-. f\ ^ .. ""— .,^~ -— — - '"^^FREtpORT 1 * 5 ^ i ? OCTOBER 9-OCTOBER 15,1960 ISO r- 200 100 - ISO ECi 10* @25'C •^r^ 300 r-RED [ 3 LUFF \ ^COLL sa '^ .-''" ~ \ /\ A ^iBOVE COLUSA 94 SW DRA IN — '->. . , . ._..^ ...^r CRAMENT 1 WEIR / \ ., *-.. «.*'■ v.^ .. •■■- -^"^> -'^_ ~~^-^s^ _. — ""^—^ — --. 'Vv . ' — ^" -^1 ^■^ . / ^-' -^ v;; :eport ^^r-. ,' ^ 250-1 300 OCTOBER 16- OCTOBER 22, I960 T-ies FIGURE T-l (Conlinutd) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER ECilO*925* CCilO*«ZVC ix /\ ^. / \^ ^,''\_ _ _ l\ ^^ ^— ABOVE COLUSA BjaSW DRAIN 7V- "^ ^^ ^ -ABOVC COLUSA BAS/H DRAIN <- SACRAMENTO WEIR FREEPORT .'•■ A .'■•>..._. A J V I "■ i I 250 -1 5O0 OCTOBER 23 -OCTOBER 29, I960 ECilO*«29*C 150 f- ^oo r- ec. IO*«25"C 1 1 1 \ 1 BLurr 3 c "V ■ - ■y ' ^COLl SA o 3 A J\ f^ ,'-v A /\ A s ~ ~~ . -— — ■~~^~ ^^ t ^Al 0V£ COLU SA BASIM DRAIN 1 ^SACR IMENTO WEIR , ■• ■^•■-^.._ • 'x,, . ^• < .. •>».. ■._.....-- . . ^,. "*— »^_ ..—«... .^'' ■\^ ^— - '^^x- ■--^^' ,-.^/r-. ^-^_/ ^'^^ ■^ — ^_^ -- 'V^ -^^-~^~~- ■"■" — *— .- k ^N.__ '"^v.^ -s.«^ " V FHEEPORT too - zoo - 50 - 150 OCTOBER 30-NOVEMBER 5, I960 T-189 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C.I0«@25-( 150 r~ 200 r j ECilO«e25-C 50 - 150 jj * :=z. ^ RED BLUFF T . ^COLUSA y'\. /\ , 1 \ l\ '\ r\ r\ "V" ■' ^-ABOVE COLUSA BASIN 0. IAIN ^SACRAMENTO * EIR ..^y ■ — ,—•■ ^^ ■'N. ' '"V " -^. - ^. , >-■• /"V ""—>_• — J^ — -s .^-^ -v-^— ""■ .^-^-- , -— ^- — / — '- -^^ , --^-^ ^^ — ^^-v. ^-/ ^ FRE EPORT NOVEMBER 6- NOVEMBER 12, I960 E C.IO«@25'C 150 |- 200 1- ECilO*aZ5"C X ** "-RE BLUFF . - — ^ ^C 1LUSA /\ /"v r\ r^, f\ / ^ — ■ / v._. \ - > V- ^ ^ — ABO '£" COLUSA BASIN Dl ^AIN -.^ /-SA ;ramento WEIR -■—«*.. •^..^' ■ ■ ..^■' N ,^ " X — ^— , - -/ — — .-^^ '^ \ r.^~^ ^_ j" ■^ N-/" ^FREE PORT N-^ ^^. -- '"^ ^_ • 00 - ISO -i250 NOVEMBER 13- NOVEMBER 19,1960 T-190 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER CC«I0*«?5*C ■ cciio*«:9-c so - too -200 ^— "V rR£0 BLUFF ».^ .-»... '■^. . n 1 ■COLUSA ^ ■'' V C\ /'^v /"l c^ \ A ^ /-■> ' V J i^v_— V-,, w' V ^ABOi^e COLUSA BASIN 1 IAIN SACRAMENTO WEIR s^ f^' ^. _..-/■ V. /• ■v _,/-" N. _/-- ^_^^ ^^,_. ^ .._.. ^ , ^ ,— ^ ^-^ •'"X -J- - ^ — ■ "^ ^'^^ — ^ -''~v_ _^ FREE PORT — ' h^ >-: ' ! "• o 500 *■ IW - 200 iO - 100 - 2O0 -I -» 100 NOVEMBER 20-NOVEMBER 26, I960 e c»io*«z5"c ISO r~ 200 r- ^,, ■'\ ^REO BLUFF \ ^^•■*~ '—'" ^ — — ' ^•*r •^. ..^•— " ^COLUSA *»- N ,' \ .^ -^ * '^•^s ^ \ /\ w . __-^-~; / -' \ > -v^-' ""' \ ^—ABC VE COLUS 4 BASIN L IRA IN -'""\ ••—•J /' v.. \..>-'~ ''^... '•N SACRAMEr TO WEIR- rv-~- •*' .__.._ iV>- . />^^ •%. / .^ V ■^^^"^ "~-N 1 -«-^ ■^ - ^^- \ . -s_-*--'~^^ \ FREEPO ,T^ WALNUT ROVE-^ lx\ .-. .-\ "^.-.y^ \, i ECilO*«29*C i I ZVi -I 500 NOVEMBER 27- DECEMBER 3,1960 T-191 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER ECilO«9 25'C 150 r- 200 100 - ISO ECi I0*Q25»C 1 \—- .. -, BLUFF -4 250 ,-— '- ..- — ■ ^COLUSA --•-^ ^ • ■ — V -'\ ' \ \ \ 1 \ 1 \, --—' r' 'v-> J \ .. \ " "~^ '^ABOn COLUSA BASIN DRA N f ■\ / / \ l\ / \ SACRAMEN TO WEIR -v/\ .J ' '>.,r.. — ..• _.•>'" r\ / / O .-^ .... r\ /'^ /'"\ / ^ V 1 ^ J ">■ 1 / r^ y'' ^ *■ ^ ^y /^ ■y ^^FREEPORT S ft \ f s ^^, y /\ ^ V WALNUT ROVE^ -%^ / ^ « u ^ \ r^ 8 \ / ^ ^ "^ -V - ' — ■ 4 e 300 "h DECEMBER 4-DECEMBER 10, I960 E C 1 10^0 25' C 150 - 250 ECi I0*Q25'C T ""^^RED BLUFF !!!% —■——• *— "^ ■"' ""' ' ' -. — +._. . - '— COLUSA :.-i-*';^ r, 1 \ f\ ^ /; n 1 1 .'\ 1 \ 1 t 1 \ 1 \ 4-1 1 1 \ v ' ^ .-y"" \-- > '\ 1 \ J \ ' \ ,. ^J '''•^ABC VE COLUS, BASIN 01 IAIN f" SACR HMENTO W EIR^ J '^■■.^. - y^ /-*._ /N. r- 1 ^ ^' _...^-— '•* "~-^"""" : \ -^.J ■.^ -\ \ -s. FREE PORT-^ v^ y V ~^^-~ ^.^ > ^^^_ / --.^ ._ '~X , ——-v. / N WA .NUT GROV E~^ / \ r X \^ -/ ^*v_ —— ^ ^-> /" -— DECEMBER ll-DECEMBER 17, I960 T-192 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER ECilO«9J5'C 150 r- 200 I- 100 - 150 - 250 CCtlO*«25*C I "' DECEMBER 16 -DECEMBER 24.1960 £C»)0*»2Vi 150 1- 200 r j ectia*«2S*c J ? ~ • - 1. •*—•■-«—.■ RED BLUFF— ^ 1 ^( , J ~" ■ \ -— ~ ^—COLl 5-3 '" ^/i \ /\ /'\ /\ /■\ '\ /\ 1 1 rv ,". / 1 / »> }\ »">J ^.SSOl e coLusji «.a5/« 01 aiM SACR kMENTO W ;,R^ .<^ /' ^ A >••' \ V .->' "^ v../'-s . ■•^.._/ '•^.• V . /-'^ X i .- "^-^- ^^^freJ .PORT -*»s -~^. ^ ■■^ 1 ,A ^-^^ r-^ — - -^ — k ^W«LNUT GROVE 1 ' ' ^"'^^ "V- s_ — -v_^ ~^^^ -^=-0- — ^ ^^'^- --^.^rN_ ^A — ^ ^ /-v— ' \ r~ o *; ? JANUARY l-JANUARY 7, 1961 E C 1 10^0 25* C ISO I- 200 EC.I0«925-C ~y - ■ -w ■^ ■ -H 10 RECORI ^—COL USA ZOO / /v- -ABOVE C OLUSA BA ••IN DRAIN r^ /' ' ; 1 \ / 1 ISO / V — ^ — — — — — — < — ^^^ -SACRAME ITO WEIR /' '■' V. .... ^ '^-—A ~— —. ■^ \. ■■ o FREER )RT ^ /■~' ^ ---^•s^ ./\ ■^^•^ ' ^y 1 •v» — ■"■^ * s ^^WAL 1 ^^-» \ V- •*- ^ \ \ V ABOVE COLUSA BASIN DRAIN ^_ -^ V ••^^ ^ /^N NO RECOF _ A C^^ ^•" \, \ ^■■\ ^~\ '^. AMENTO » EIR V ■^ — \ ^^ « / \ y\ N ,^ ^N . ,/ } w L — FREEP( RT "V- -•. /~^ y'^" u^ f\ \ s ^.. / — '■■ 1 ^ / -^ f ^>.- /•'^-^ — >~ -^ / ^ >y ^^ •^ ~^ - --~-_^ J W/ LNUT GRO VE ^ \ /^ --—^ ^ ^ / -• -"100 JANUARY 29 -FEBRUARY 4, 1961 E C « I0^@25"C tSO r- 200 I- ECkI0*925'C 1 RED BLU FF ,_ _ _.. _^ "** V— ■"■" .»■■— *_^ ^ COLUSA ^^^. ^ ^N --' r-K ^■■ r\ A 1 \ '-■■ — ^ '^\ . J ^' --'■^ — \ V ^ ---vj —ABOVE C OLUSA BAi IN DRAIN s _ ^/ ^-^, SACR/ .MENTO Wl IR . r- \ V '\ • -N. I .._,-' \ _..- »,..-^. .-"^ \ . ^ /'~\ \ *'\ ■ ^— -^^' FRE „^ , . / ^. ^ " y> f ^ ....... ^ ' N ..^ -^ _y ~' *^^ L.y ^^ , .X* V, — •"' /-S WALNU T GROVE - / — \ _ / V t— . ^ _^ " ^ ^^ -^ — FEBRUARY 5 - FEBRUARY II, 1961 T-196 FIGURE T-l (Conlinuc<() SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER CC -'-V-' . J \_ , r f" V. -^ — '"■^ y :OLUSA B*SIN BRAIN ^. — -' SAC RAMENTO WEIR V f ■^'' >J \ ■■■^"^■■N / - \.- ^'-'-•^, /^'^\^ •■--.. ,./ r ^.■^ -•.— '■■ ^ -^^■^ -\ _-" ^w^. / ~\ N s__ , y^ ' ^ '"^ !>-' -•'^'" FREEPORT — / WALNUT ( ROVE 7 W%^_--_^ / x-'^V ^ ,^^^^_ ^"^--^ — ■ ^ " 290 -I KK) 2M 200 I 00 H ISO -»2ao FEBRUARY (2- FEBRUARY 18,1961 EC«I0«»?5*C /50 I- ^00 r- ECilO*«25"C I "■ SO - too - 200 ^ lOO FEBRUARY 19 - FEBRUARY 25. 1961 T-197 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C 1 I06@2 5*t /SO f- ZOO r ECil0«<925*C ^.^^•— -- a ^ SCO BLUFF — — ... "' _. ^ \ COLUSA r 1 \ /~1 r\ "*— ^_ ^- A '- .—— — — • ^-». \ N DRAIN SACRAMEN \ "v J \y-' \ / ■\ / r \. ..^— . 1 ^- • ' SFREEPORl V-" \ N r-\ ^'-^N. .- V ■>-, ^ . ■'' .^^' 'v. -^ — . WALNUT GROVE \ y \ ^^ ^ / ^ A^ /■ -\ / NO RECORD ' -^-^ V / ^ \ -, /^ - 50 - ISO -" -'100 FEBRUARY 26 - MARCH 4, 1961 E CkIO^OZS'C ISO I- 200 100 - ISO ■ r-y BLUFF ..-^ — v_ COLUSA /-\ ,'-N 1 \ / 1 • Ij ■■ ^ •— ^*. > ABOVE COLUSA BA ?W DRAIN SACRAME^ TO \ H .. \r\ ^ .A o ■1 -../^ •^ — j~ ^x .^^^ X J -~. y ■, /^^ .-^v ■^v" r \ . -^ "*- — ■ — " ' FREEPORT / s s ! j EC«IO«(S i I 50 - 100 - 200 MARCH 5 - MARCH II, 1961 T-198 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E CilO»9 25"C eCalO*«2S*C 317 - 100 1 «fO BLUFF ~"- . i — —■^— ■v. ^-' . r-i.» — -^^r ' \ ..-^ — "** ^"•—ABOV f COLUSA MS/W DRAIH ^' '"\ SACRAMENTO WEIR — |___ /\ / *»./■ ■•-. ^ i 1 ..J ^ ■ ^.^ _-^\ •m 4 ¥ y ~\ FBEEPORT ^ x> r\ \ ,^ .... ~ -^ V. Jx" ^-..^- ■' v^^_ ~' — ^-j -.^^■"^•- ^ * ^ ; 1 s 5 4 a ' I -» J 100 MARCH 12- MARCH 16,1961 ECilO»«25"C 150 I- iOO I- i cciio*a2vc / ^^r^ ^-' ^^ ■^\J- -^ _..^. y\ / \ — r*BO' J U SACRAMENTO WEIR- FREE ROOT ._^-/' -X OVf COLUSA BASIN DHAIN -^^^ '.. ^:^zr!:::ii7^- X^^^,.^^-^ s I M - 100 - 200 MARCH 19 -MARCH 25,1961 T-199 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C » 10*9 25' ISO r- ZOO 100 - 150 EC«IO*«25*C J RED BLUFF ,.— ' ' '- „-■ — * . -- - .<^-— — •— •■ ,— - ■-* _.^' • •• ' "— — -^ -COLUSA ^ /^ 1 r \_. ^^ __,— - , ,- — - — ^x — — ^ — "KT -/IflOl'f COLUSA BASIN DRAIN 1 1 SACRAMEN TO WEIR- r-n /■ V n.. ..^— -• - - ^ ^ ^ ■ -v-r ■'\ ^ .f \..^ ■V ,-^~ ■N '''"• FREEPORT- ~^\ . — . .^■^. ^'^ J ■^"N. y^x - — >_- ■-'""" ^ -y' WALNUT GROVE -^^^..-^ , V ^^-\ 1 150 -I 250 50 - 100 - 200 -* 100 MARCH 26 -APRIL I, ly6l E C I 10* @ 2 5* 150 T- 200 ECilO*az5»C -250 -200 - ISO , RED 1 ■■■ BLUFF -- - — — — . '._.,^.-- — ~v COLUSA '^o n-ABOVl COLUSA )ASIN ORA N / I \ y / —J • -^^— ^^ "^"^ f /■•""""•' ■--> SACRAMEN TO WEIR- A J V -:^ _^ s ^^X^ /"^-v ^ ^_ / Zry^~ ^->.-_ -^.^^ ^^. — r^- J ,— •' * s WALNUT SROVE-, ?! /■ vy\ X \ ^ __^y^~ ^ y . ^ 250-1 300 APRIL 2- APRIL 8, 1961 T-200 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER ECtlO*«25* 150 I- too r eciia*«>9*c fffO BLUFF i._, ' "■'sl: ■COLUSA A / ' S / '^•\- ABOV£ COLUSA BASIN DHAIM 1 1 I , \ \ 1 .J _, ^_ 1 V, r\ SACRAMENTO WEIR- —^ f _ J N ■•■^..^... ,.>s- — ^ . •■^-=>-- / "^v..... ^ ^y^ -'• — ^ "---_/ /'^s 1 _^ / N ■— ■/- . '""^^. \.^ -^ — --'" — — . . . FREEPORT- WALNUT eftovE — >^ _. ^ ^->^ . - — -V r ^ ~^"\-^_ Z90 -I 500 liO - 200 3 100 - 200 APRIL 9 -APRIL 15, 1961 EC«IO*«25* 150 I- 200 1 , RED 1 BLUFF "n COLUSA r> '" '""*^'^'~ \\ ^ -ABOVE CI ^LUSA BASIN DRAIN / / 1 '-^ ' \ M t > i \ \ / — — — — ^ L r-'» . \ \ <■■ \ ( .-^-~u .'V '-'N ..-. \ V r^ \ SACRAMEN TO WEIR- —^^ /"\ o '■^ /^x ^J Vy ■ ^N. -^ — •— . _ - - ._^-^ ,/ . ^ - "" — ./^ < i ^ N •^ / --V^^ -.^- — N. r*^ "V — ^/ . — •- " r-^ v^^ — — , X ^^t^^ — 1 b^— i^ i : WALNUT 9R0VE r\ ^ /'X -- — I C -^ — 1 — — ^ ^"^ \ 1 1 -T ' v^ s .*• ! j EC.iO*«25*C « i I •" O 500 a- -.50 2M •". > ZOO 3 90 - lOO - too - so - 190 APRIL 16- APRIL 22, 1961 T-201 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C 1 I0*@Z5'( ISO r- ZOO r ECilO»«25«C - X ^ — REO Bl UFF .• -^ - — COLUS. f\ /\ / \ N^ 1 \ / N /"■^ /■v. / \ / — 1 1 ; \ . /~-^ . 1 » — / 1 1 \ / 1 1 V- — ._ J V ^.^ — •— ^. -'• ^ ABOVE 1" 1 COLUSA 6 AS IN OR A N . -N ,'V y SACRAMENTO WEIR /■■•^ . / \^ . ..~. • ._^ - r- ■^ _ .y ■« . ^' '■ -'' V r^..--'-' y ^\ / y -\, ■N* -•■ -— _y '^ X--— /■' '^^-_^ . / ^^ -^ ^^ — ^ FREEPORT / — WALNUT GROVE r^ "^^'■x-- ^^^^ v_r^ ^\ >-^ r ' -^^-^ ■^^-'~ '-^ 50 - 100 - 200 APRIL 23-APRIL 29, 1961 E Ci IO*@Z5'i ISO T- 200 ECi 10* @25»C J — ^^^ BLUFF /v ^ — /^^ ^COii ISA / ^^^- \ /v "S /^ •s / \ r^ —\ ^_^— ^ / ^ ~^' ' '^— ~ Y^ V.^^ ^^' ^ ■> . ^^' \_->_ , — ' ^- — > ^—ABO 'E COL US, BASIN 9AIN r CROMENTO WEIR .^••^ ■ .-/ • -^■.^.■> r' "\.. _^./ V . _^__^.' ..._^--> "^ .... — ■ X ^^ -^ A- .^ -^"' s_.V _^^ ""^^.^-^ .'■' ^ ^-. ■» -•■ , y ' ^ Ff EEPORT *' *» % /-" iLNUT GRO JE ^ a r -'^ ^^r^y ___y - ^ — r\^ /\_/- r- ^-- ^ APRIL 30-MAY 6, 1961 T-202 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C t 10* 9 2 5' 150 f- ^00 €C. I0««2S-C /-- »fO BLUFF _ " \ " •" ''•^-COLUS/I /-" \ /'— N \ ■\ /"-J \ . r^\ / \ \ \ f 1 \ ^i N ,_ -■ vT ^ V... — . / \ V , 1 _/ ^—IBolf COLUS. SJS//V ohtiN 1 .^ ^ -.^•■^-v , sicB«MENT( WEIR ■^"^ ,.. -'• N.. .>A /■ '■■ -*, ^- T"---^ _ "«»_ '*^-_ \-v. r-^ "v^ \ —' — ^ FREEPORT -N ^--^ -- ■ V J -\ _r — •\_ — . --^ ~^ ■ V ^r-^ -n — WAL^ UT GROVE f 1 100 - 200 MAY 7- MAY 13. 1961 E CilO*a25'C t Clio" •JVC ISO - ioo - too - ISO so - 100 - SO \ 5 a I "■ ^RED SLUFF 1 r 1 ^"^COLU St . r- \ r—' \ \ / — r' "'^ — - ■\ / \ 1 ( 1 \ 1 1 V I V — ■ J \ x' ^4ffOV £ COLUSA BtSIN OR UN i—%K l«MENTO « EIR <-^ -H \ ^ " \ — . ^ . — ■" _.-^"" -'^. /■ ^^••. ■■■ •'' /• r \._^ \.. ^ ^v ,.^— "N- ■ - — V ^^^\ _ ■^^ ^— ^ /■ . '" -^"-N . ,^ ^ < \ ^ ^x V ^" y V-.RE :port ^W.L lUT GROVi ^ ^-^ — "^ J^_/=^ ^- V- ^-^. '-X7^->r^"^^ -r'"^-^ ~v^^ V 2iO -. JOO 50 - lOO - too -> -"100 MAY 14 -MAY 20. 1961 T-203 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER i C 110*0 25* I /SO f- ^00 r EC.I0*192S»C J — RED ^ BLUFF ^COLUSA "*"••—"" — N.,- — J- / — . "^ r'^ \ __,— r^- /-^~ ^^-^ 1 V I J y ( 1 \ \ J 1 \ ._; \ / - X *^-'~' ^ABOV £• COLUSA BASIA/ DRAW ^SACR SMENTO W LIR y" "\ •^ 1^- ■\ / J>. \ .— ./ A ^ ,.' \ --— w' ^ r . — y \_..> \. /' • — • \^ ~> y y ''^N y • \ ^-\ ^■^ ^--^\ ^''~~ "^ ^-.. — ■ \ , ^W ^ v.. <-" \. ^v''- — ^FREE 'ORT A. ^■^~"^ ^^■^_ _^.^^ ---^"^ -'^^— L ^S ^^v^ V^ -^/"^=v ^ ■ — ' — ' ^ ^W4L^UT GROVE MAY 21 -MAY 27. 1961 E C » I06@25*C ISO I- zoo r~ ECilO«(925*C J — ''^^ 9LUFF y—COLU SA —.-_.—.— ^ _^ — -.^ ^ ^-^ \ /^> — V ' — • — ^^-z'"- ^ — ^. . _-/ ^ o_-N^ / I. / \ "^ABOM E COLUSA BASIN Of, AIN y-SACR IMENTO W :iR r ■^ L f *v_ ..r..r —.. / v... -■■^. /-■ X. _.—> ' ^.._ ^^^V r ' / \ V... -/ V._/ \ , ^^N ^' — \— ' " ^ > y Wree >ORT ■ — 1 / — /v -J'X ^^~ s_/-~\ ."/^ -^v_ r- ^^-y__ ,y~\J V L'^^'^ \ — 1 T GROVE 250 -( 300 -< 100 MAY 28-JUNE 3, 1961 T-204 FIGURE T-l (Continu«d) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER CC«I0««2VC t5o r ^00 f- 100 - 150 - 250 CC.lO»«2VC JUNE 4-JUNE 10. I96t E C t I0*»25»C 150 f- 200 i- £1 BLU ^■—CO -ABOVE COLUSA BASIN DRAIN SACROMENTO WEIR ^SAI.H< ^FREEPORT ^WALNyT OROVE 10 RECOR ■7-^ j eCiiO*«29*C i I 5 S »o t 190-100 J i Jo JIOO JUNE II -JUNE 17. 1961 1-205 FIGURE T-l (Continued) SACRAMENTO RIVER WATER POLLUTION SURVEY SPECIFIC CONDUCTANCE-SACRAMENTO RIVER E C«iO«9 25'C ECi 10* @25'C 150 p ZOO 100 - ISO 50 - 100 - so o ^ y—KSD 1LUFF " — — — ™ . . — — f* ^^COLL Si ed June 22 '^•^ V^-^ — — ■» V '-- X '- ^---^"- — •-^_,— — -^•^_- -■v.-- — «.^ ^ABOi £• COLUSA BASIN DRAIN 10 RECORC -'V"^^ V ■'^■■. N^-^^ A... ...^ •— •.^• ^SiCR tUENTO W :iR ^^X-^ .^' -— -.._^— - ^ — T~~" — ^- .-^ ' \ -^ f" ^^ ^FREE >ORT V.^ -^^^ ~V^ 10 RECORC — h"~^ \^ ^ _, — \^ ■■^-^_^— __^y~ ^W4Lr lUT GROVE i I JUNE 18-JUNE 24,1961 E C«I0«@25'C ISO r- 200 EC.I0«@25'C ^RED 3LUFF 300 ^ABOV f COLUSA ff,«JW 01 4//V _ ■1--.^ — *^-~*-^ ~^w.'"N».^ _, ~ ^ ■-.— *■. - ■ ^ ' */■ too ^SACR IMENTO W IR ^■■. A / ,. -■ — •■•^■'~ ■■\. -y /-FREE >ORT ? ,^— ^ /^v , /A r-y * ^ ^v-/"^ "V^' ^_< ' *s^ ~' ^ * r-WALN IT GROVE -^^ / r., ^ s ^ "V.^ ' "v^ — ^X- "^ S s t I JUNE 25-JUNE 30, 1961 T-206 66125 6-62 M PLATE I U5CATION OF SAMPLING STATION, RIVER MILE. SEWAGE TREATMENT PLANT AND IN- DUSTRIAL WASTE DISCHARGES, SAMPLE! MONTHLY. SAMPLED ONCE OR TWICE MONTHLY FOI PHYSICAL, CHEMICAL. AND OXYGEN ANALYSES. SAMPLED MONTHLY OR BIMONTHLY FOR PLANKTON. BOTTOM ORGANISMS, SEDI- MENT GRADATION. DISSOLVED OXYGEN AND TEMPERATURE. SAMPLED DAILY FOR TEMPERATURE AN ELECTRICAL CONDUCTANCE CHEMICAL ANALYSES OF COMPOSITE SAMPLES. PERIODIC ORGANIC ANALYSES SAMPLINC USING CARBON ADSORPTION METHOD. CONTINUOUS ELECTRICAL CONDUCTIVIT RECORDER. ■■»'/, STATE OF CALIFORNIA THE RESOURCES AGENCY OF CALIFORNIA DEPARTMENT OF WATER RESOURCES DELTA BRANCH SACRAMENTO RIVER WATER POLLUTION SURVEY SAMPLING PROGRAM AND AREA OF INVESTIGATION 1960-61 SCALE IN MILES 5 c p/ THIS BOOK IS DUE ON THE LAST DATE STAMPED BELOW BOOKS REQUESTED BY ANOTHER BORROWER ARE SUBJECT TO IMMEDIATE RECALL RECEIVED Hnysicai bclences MAR J ; 2Q02i RECEIVED MAR 1 3 Z0C2 Physical Seienees LU rary LIBRARY, UNIVERSITY OF CALIFORNIA, DAVIS Book Slip— Series 458 PHYSICAL SCIENCES UBRARY