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Full text of "Quality of surface waters in California"

ill 





THE LIBRARY 


OF : 


THE UNIVERSITY 


OF CALIFORNIA 


DAVIS 

1 



STATE OF CALIFORNIA I 



DEPARTMENT OF WATER RESOURCES 
DIVISION OF RESOURCES PLANNING 



Bulletin No. 65 



QUALITY OF 

SURFACE WATERS 

IN CALIFORNIA 
1955-1956 




GOODWIN J. KNIGHT (ll^'^'^^ll HARVEY O. BANKS 

Governor \^W£^^^M-7'V Director of Water Resources 



December, 1957 
ITRRARY 

UNiVEKSlTV OF CALlFOKiNi^ 
DAVIS 



TABLE OF CONTENTS 

FRONTISPIECE . » . . o . . • 

LETTER OF TRANSMITTAL .,<,.... = ..........•■•«•••• = 

ACKNOWLEDGMENTS ......,..» o.o ....... o.. ..^ .0= » 

ORGANIZATION^ STATE DEPARTMENT OF WATER RESOURCES ............. 

CHAPTER I INTRODUCTION ............ 

Authorization . .o. ................•.•.■■<'• - ° ' ° - 

Purpose and Scope .„ o... .... ................ ° ° ° • 

Field Methods and Procedures , .... .........•. = ...».• ■= 

Laboratory Methods and Procedures .0 .................. . 

Water Quality Criteria ......... ................. . 

Criteria for Drinking Water . o .........•.•«••»•••» » 

Criteria for Irrigation Water o „ ...... ............ . 

Criteria for Industrial Uses ........ ......... ... . 

CHAPTER II SURFACE WATER QUALITY ........... 

North Coastal Region (No, 1) ....................... . 

San Francisco Bay Region (No. 2) ..... 

Central Coastal Region (Noo 3) ... ................... . 

Los Angeles Region (Noc U) „.. ................ . 

Central Valley Region (NOc 5) •»•••■■• ° ° "•" ° • ° •"•• ° ° ' ° ' 

Lahontan Region (Noo 6) ^ • . ° - = • • ° - • • • • ° • " • • • ° ■■ ° * ° ° ° 

Colorado River Basin Region (No. 7) .......... . . . . . . 

Santa Ana Region (No, 8) ............. ....... c 

San Diego Region (No, 9) .... . ........... . 



Ill 
ix 
xi 

xii 



2 
2 

3 

k 
7 
7 

10 
11 

13 

13 
15 
16 
18 

19 
22 

23 
24 
26 



TABLE 



Table Noc 



1 Limiting Concentrations of Mineral Constituents for 

Drinking Water « . , . . „ = o „ o , » o „ „ „ o . » » . » . 8 

2 Qualitative Classification of Irrigation Water ....... o 10 

3 Water Quality Tolerance for Industrial Uses . « . „ < . . o . 12 

PLATES 
Plates are Bound Following the Text 



Plate No, 



1 Location Map 

2 Quality Characteristics of Klamath River near Klamath (Station Noo 3) 

3 Quality Characteristics of Trinity River near Hoopa (Station NOo k) 

h Quality Characteristics of Eel River at Scotia (Station NOo 6) 

5 Quality Characteristics of Russian River at Guerneville 
(Station Noo 10) 

6ft Quality Characteristics of Alameda Creek near Niles (Station No<, 73) 

7 Quality Characteristics of Pajaro River near Chittenden 

(Station No„ 77) 

8 Quality Characteristics of Santa Clara River at Los Angeles- 

Ventura County Line (Station NOo U6) 

9 Quality Characteristics of San Gabriel River at Whittier Narrows 

(Station No. $0) 

10 Quality Characteristics of Sacramento River at Keswick (Station No. 12) 

11 Quality Characteristics of Feather River near Oroville (Station Noo 19) 

12 Quality Characteristics of Sacramento River at Sacramento 

(Station No„ 15) 

13 Quality Characteristics of Kings River at Piedra and Below Pine 

Flat Dam (Station No„ 33a and b) 

lU Quality Characteristics of San Joaquin River at Friant (Station Non 2ii) 



VI 



Plate No. 



15 Quality Characteristics of San Joaquin River near Vernalis 

(Station No„ 2?) 

16 Quality Characteristics of Truckee River near Farad (Station Noo 53) 

17 Quality Characteristics of Santa Ana River near Mentone 

(Station No, 5lb) 

18 Quality Characteristics of Santa Margarita River near Fallbrook 

(Station No. 5lc) 



APPENDIXES 



A Sampling Station, Mineral Analyses, and Radioassay Data . . = » Al 

B Procedures and Interpretation of Results for Water Pollution 

Radioassay ....... o =.„ o ». o^ o =o., o . o «, Bl 



vii 



GOODWIN J. KNIGHT 

M v^u M nakivA GOVERNOR 

* rey o. banks address reply to 

Director i». o. box 1079 Sacramento S 

1120 N STREET eiLBCRT 2-4711 




STATE OF CALIFORNIA 

i^liartm^nt at Watn W^tssmmB 

SACRAMENTO 

Decenber 18, 1957 



Honorable Goodwin Jc Knight, Governor, and 
Members of The Legislature of The 
State of California 

State Water Pollution Control Board 

Gentlemen; 

I have the honor to transmit herewith a report on the quality 
of surface waters in California » This is the second in a series of 
reports concerning this important matter o 

In April J 1951 s this Statewide Stream Sampling Program was 
initiated at the request of the State Water Pollution Control Board, and 
since that time has been conducted by the Department of Water Resources, 
as authorized by Section 229 of the Water Code in cooperation with the 
State Department of Public Health, Bureau of Sanitary Engineering, the 
State Department of Fish and Game, and with various other apencies and 
individuals. Its objective is to secure data on prevailing quality of 
water in the major streams and lakes of California. These data are uti- 
lized by the Department of Water Resources in conducting water resources 
development studies and implementing The California Water Plan, by the 
regional water pollution control boards in establishing waste discharge 
requirements for protection of surface waters in California and by other 
water service agencies throughout the State. 

This report covers the period January, 1955 through December, 
1956, and presents monthly analyses of water from 150 sampling points » 



Very truly yours, 




HARVEY p. BANKS 
Director 



M V J'f.^-fl fK t,'C.". . 



A!»^' 



ACKNOWLEDGMENT 

The extensive coverage of the Statewide Stream Sampling Program 
is made possible through the cooperation of state, local and federal agencies o 
Through the coordinated efforts of these agencies, this sampling program 
encompasses the monthly collection of about 1^0 water samples throughout 
the state o 

The helpful cooperation of the following agencies is gratfully 
acknowledged? 

United States Corps of Engineers 

United States Geological Survey 

California Disaster Office^ Radiological Services 

State Department of Fish and Game 

State Department of Public Health, Bureau of Sanitary Engineering 

State Department of Public Healthy, Division of Laboratories 

State Water Pollution Control Board 

Los Angeles County Flood Control District 

Ventura County^ Department of Public Works 

City of Los Angeles^ Health Department 

City of Los Angeles n Department of Water and Power 

City of San Bernardino 

City of San Francisco 

City of Long Beach, Department of Public Health 

Kern County Canal Comparer 

Kings River Water Association 

Metropolitan Water District of Southern California 

Office of the Watermaster^ Truckee and Carson Rivers 

Truckee=Carson Irrigation District 



XI 



ORGANIZATION 
STATE DEPARTMENT OF WATER RESOURCES 
DIVISION OF RESOURCES PLANNING 

Haxvey Oo Banks » » <= o o = o » » o o « o » o « Director of Water Resources 

M„ Jo Shelton „ „ » . o » o o » o » = « » Deputy Director of Water Resources 

William L„ Berry „ o o o <> o o » « o Chiefs Division of Resources Planning 

Carl Bo Meyer „ o o » » , » <. o <= o . » o o Chiefs Special Activities Branch 

The activity under which this report has been 
prepared is directed by 

Meyer Kramsky „ o o .....<> ..o o ■>, o <. Principal Hydraulic Engineer 

The activities in northern California are under the 

supervision of 

Willard Ro Slater » <, » » o » o <. o o » » » o Supervising Hydraulic Engineer 

The activities in southern California are under the 

direction of 

Max Bookman o » » o » o « o o » » » <, o o « o o » » » <> o District Engineer 

and the supervision of 

David Bo Willets o o <, » . <. o o » » » » « o Supervising Hydraulic Engineer 

This report was prepared by 

Carleton Eo Plumb „ « o » o » » . « o . o o o » o Senior Hydraulic Engineer 

Eldon Eo Rinehart « <> » . o » . o, « , . o « . » « o » Associate Hydrographer 

Robert F„ Clawson » » » « <, , o = « <, » o » o o Associate Hydraulic Engineer 

Robert Bo Gunderson , . o o « o » o o » » o o o Assistant Hydraulic Engineer 



XIX 



Assisted by- 
Harold Vo Willshon . o « . o . » . » o » <, o o . o <, Junior Civil Engineer 
Allan Joyo o.ooo.oe.o.oecooooooo Junior Civil Engineer 
Lloyd Po Olsem, Jr^ « o .. o « « o = . . » . » » » . o Engineering Aid II 
Shigeru Katsiunata » o .<, o <. o o oo <,.»<,..<> « Engineering Aid I 
Ross Mathews oooo<,.eo<,««o«o»o<,o«o« Engineering Aid I 
Paul L, Bairnes » , « Chief, Division of Administration 
Porter Towner ooooooo<.oooooo Chief Counsel 
Isabel Co Nessler » .. <> o <> o <> Coordinator of Reports 

NOTES Pursuant to Chapter 52; Statutes of 1956^ effective July $, 1956, 

the Department of Water Resources succeeded to all of the functions j 
duties and responsibilities formerly assigned to the Division of 
Water Resources o The Division of Water Resources was organized 
as follows s 

DIVISION OF WATER RESOURCES 

Harvey Oo Banks* oooooooooocooooo<,o<.o«o State Engineer 

L. C, Jopson coooocooooooooooooo Assistant State Engineer 

Carl Bo Meyer « « o o <. o » o „ o o c » » <, o ^ Principal Hydraulic Engineer 

Chief - Water Quality Function 

Henry Holsinger . o o , . » » o <, o » » « o o . » « . o » Principal Attorney 

To Ro Merryweather oocoooooooooooooo Administrative Officer 

Isabel Co Nessler ,oooo»oooocoo<.oooo Coordinator of Reports 



•>>Ao Do EcinonsTon was State Engineer until his retirement on November 1, 1955 « 



xiii 



CHAPTER I INTRODUCTION 

In California^, as elsewhere, agricultural^ industrial, and 
urban water uses contribute significant amounts of waste to surface and 
underground supplies » In some instances these wastes are harmful or 
potentially so as to the State s water resources o The early detection 
and control of water quality degradation is imperative if the fullest 
practicable beneficial uses are to be made of the available supplies » 

In order to secure the data necessary to protect and monitor 
the quality of the State -s surface water supplies^ a continuing stream 
sampling program was initiated in April, 1951s at the request of the 
State Water Pollution Control Boardc This program has since that time 
been conducted by the Department of Water Resources in cooperation with 
various agencies and individuals o A similar program to monitor the mineral 
quality of ground water in important basins throughout the State was begun 
in 1953 

The stream sampling program reported herein comprises the monthly 
collection of water samples from surface streams throughout the State » 
Monthly reports of mineral analyses of these samples are published by the 
Department of Water Resources following receipt of the analyses from the 
laboratories and distributed to cooperating and interested agencies „ 

This is the second of a series of reports presenting water quality 
data collected under this program for major streams and lakes of California 
and covers the period January ;, 1955, through December, 1956= These reports 
summarize the data published in the monthly reports and present a brief 
evaluation of the mineral characteristics of the sampled waters » 



-1- 



Authorization 

The stream sampling program reported herein is authorized by 

Section 229 of the Water Codeo This section^ as amended., directs thats 

"The Department of Water Resources shall investigate 
conditions of the quality of all waters within the State, 
including saline waters ^ coastal and inlands as related 
to all sources of pollution of whatever nature and shall 
report thereon to the Legislature and to the appropriate 
regional water pollution control board annually, and may 
recommend any steps which might be taken to improve or 
protect the quality of such waters o" 

Purpose and Scope 

The general objectives of the surface water sampling program are; 
(l) to secure information on present or prevailing quality of water in the 
major streams and lakes throughout the State of Californiai (2) to secure 
data useful for evaluating salt balance conditions j and (3) to provide a 
continual check on quality of water „ These data provide a basis for determi- 
nation of the water quality aspects of the California Water Plan and other 
water resources developments,, 

At present the program entails analyses of water samples collected 
at monthly intervals from 100 sampling stations located on 90 major 
California streams and lakes as shown on Plate 1„ The ultimate objective 
of the program is to secure continuous and reliable water quality data at a 
network of sampling stations located so as to represent practically all of 
the surface drainage of California, both above and below present or potential 
sources of pollution or degradationo Water analyses made in connection with 
this program include mineral, radiological and bacterial tests o 



-2- 



This report presents a brief discussion and generalized appraisal 
of the mineral characteristics of surface water throughout the State, In 
the future^ it is anticipated that subsequent reports will be greatly expanded 
to include a detailed appraisal of water quality characteristics for each 
stream from which water samples are obtainedo This detailed appraisal will 
includes (1) a discussion of the mineral, radiological and bacterial 
characteristics J (2) enumeration and discussion of major waste discharges 
on each stream covered in the program; and (3) evaluation of significant 
changes in quality detected during the reporting period o Additional sampl- 
ing stations will be added to the program as conditions dictate and time and 
availability of funds permit,, 

Field Methods and Procedures 

Agencies participating in the field sampling program are listed 

below together with the number of stations sampled monthly by each agency; 

Number of Stations 
Agency Sampled 

Department of Water Resources llli. 

Department of Public Healthy Bureau of Sanitary 2k 

Engineering 

Department of Fish and Game 1 

United States Corps of Engineers k 

Metropolitan Water District of Southern California 2 

City of San Bernardino 2 

City of Los Angeles, Department of Water and Power 1 

City of Los Angeles Health Department 1 

City of Long Beach^ Department of Public Health __1 

TOTAL 150 



-3= 



Water samples are collected each month for mineral analysis and 
bacterial examinationo In addition, samples are collected twice a year 
for radiological assay. Samples obtained for bacterial examination are 
kept in the field in portable ice boxes while in transit to the laboratory 
for examinations 

In addition to collecting the above described samples r, sampling 
personnel make field determinations of dissolved oxygen (DO) by use of the 
Modified Winkler Method „ Determination of water temperature and pH is also 
made at point of collection and physical conditions of the water from visual 
inspection are noted. 

Nearly all of the sampling stations are situated at or near stream 
gaging stations and gage heights are recorded at the time the water samples 
are collected « Instantaneous stream discharges at the time of sample collec- 
tion are subsequently obtainedo 

Labora tory Methods and Procedures 

Complete mineral analyses^, including the determination of heavy 
metals and radiological assays are performed on samples collected usually 
in May and September,, because it is during these spring and fall months 
that extremes in flow conditions usually occur. Partial mineral analyses 
of water samples collected in the remaining months are deemed sufficient 
to permit detection of any significant variation in mineral character of 
the water o Duplicate bacterial examinations are performed on samples 
collected monthly throughout the entire year„ 

Mineral analyses and determination of heavy metals are performed 
by the Water Quality Branch of the United States Geological Survey, and by 



-4- 



the Department of Water Resources laboratories located in Sacramento, 5an 
Bernardino, and Riverside c Radiological assays are performed by the 
California Disaster Office radiological laboratory in Sacramento, and 
bacterial examinations are made by the California Department of Public 
Health J Division of Laboratories, in Berkeley and Los Angeles o 

The procedures used in radioassays of stream samples are described 
in the California Disaster Office communication shown in Appendix Bo 

Methods of mineral and bacterial analyses in general are those 
described in the American Public Health Association publication entitled 
"Standard Methods for the Examination of Water and Sewage" 10th Edition^ 
1955 o In some cases, the methods described in the following publications 
also have been employed? (1) Uc So Geological Survey "Methods of Water 
Analysis" n 1950 o California Department of Public Works ^ Division of Water 
ResourceSj "^Methods of Analysis"-) October _, 1955o 

The following tabulation indicates the constituent analyzed for in 
the various types of analyses performed in connection with this programo 



-5- 



Constituent 




Analyses 






: Complete 


: Partial : 








: mineral 


: mineral : 


Bacterial 


: Radiological 


Specific Conductance 


X 


X 






PH 


X 








Total Dissolved Solids 


X 








Per Cent Sodium 


X 


X 






Hardness 


X 


X 






Turbidity 


X 


X 






Coliform 






X 




Temperature ■*** 


X 


X 






Dissolved Oxygen ^'^ 


X 


X 






Calcium 


X 


X 






Magnesium 


X 


X 






Sodium 


X 


X 






Potassixim 


X 


X 






Carbonate 


X 


X 






Bicarbonate 


X 


X 






Sulfate 


X 








Chloride 


X 


X 






Nitrate 


X 








Fluoride 


X 








Boron 


X 


X 






Silica 


X 








Phosphate* 


X 








Zinc* 


X 








Iron* 


X 








Copper* 


X 








Aluminum* 
Magnesium* 


X 
X 








Arsenic* 


X 








Hexavalent Chromium* 


X 








Lead* 


X 








Dissolved Alpha 








X 


Solid Alpha 








X 


Dissolved Beta 








X 


Solid Beta 








X 



* These constituents are normally designated as heavy metals. 
** Field Determinaticns 



-6= 



Water Quality Criteria 

Criteria currently used by the Department of Water Resources to 
determine acceptability of water for the most common beneficial uses are 
described hereinafter o In general the -^'alues presented herein should be 
considered only as guides to judgments, and not as absolute limiting standards, 

Criteria for Drinking Water 

Water that is used for drinking and culinary purposes must be 
clear, colorless^ odorless pleasant to the taste and must not endanger 
the lives or health of human beings. These general requirements pertain 
to the water as it is finally delivered to the consiimero 

Chapter 7 cf the California Health and Safety Code contains laws 
and standards relating to domestic water supplyo Section U010o5 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 adopted by the State of California » They are set forth in detail 
in United States Public Health Report » Volume 61, Noo 11, March 15, 1556o 

According to Section iio2 of the abo"/e=named report-, chemical 
substances in drinking water supplies , either natural or treated o should 
not exceed the concentrations shown in Table lo 



-7- 



TABLE I 

LIMITING CONCENTRATIONS OF MINERAL CONSTITUENTS 
FOR DRINKING WATER 



United States Public Health Service 
Drinking Water StsindardSj 19l;6 



Constituent 



Parts per million 



Fluoride (F) 
Lead (Pb) 
Selenium (Se) 
Hexavalent Chromium 
Arsenic (As) 

Non°Mandatory but Recommended Values 

Iron (Fe) and Manganese (Mn) together 

Magnesium (Mg) 

Chloride (Cl) 

Sulfate (SOi^) 

Copper (Cu) 

Zinc (Zn) 

Phenolic Compounds in terms of Phenol 

Total Solids, desirable 

permitted 



lo5 

Ool 

Oo05 
0.05 
O0O5 



0,3 
125 
250 
250 

3=0 
15 

OoOOl 

500 

1,000 



-8- 



The suspected relationship of infant methemoglobinemia occurrence 
to nitrates in the water supply has led to limitation of allowable nitrates 
in drinking water » The California State Depsirtment of Public Health has 
recommended a tentative limit of 10 ppm nitrate nitrogen (hh ppm nitrates) 
for domestic waters. Any water containing higher concentrations should be 
considered of questionable suitability for domestic and municipal useo 

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 users are concerned is the hard- 
ness of the water o Hardness is due principally to carbonates and sulfates 
of calcium and magnesium^ and is generally evidenced by inability to develop 
suds when using soap. In general domestic use, hardness can result in 
increased soap consumptions excessive repairs to plumbing, and the 
necessity or desirability of maintaining individual water softening 
appliances c The following classification for degree of hardness has been 
suggested by the United States Geological Surveyo 



Range of Hardness 
Class in ppm 



1 0-55 Soft 

2 56=100 Slightly hard 

3 101-200 Moderately hard 
h 201=.500 Very hard 



-9- 



Criteria for Irrigation Water 

Because of the diverse climatological conciitions, crops o soils_<, 
cind irrigation practices in Californiaj criteria which may be set up to 
establish the suitability of water for irrigation use must necessarily be 
of a general nature j and judgment must be used in their application to 
individual cases c Dr, L, Do Doneen, Professor of Irrigation at the 
University of California at Davis j a recognized authority on irrigation 
water quality, has suggested limiting values for total dissolved solids 
chloride concentration, per cent sodium and boron concentration for three 
general classes of irrigation water as shown in Table 2o 

TABLE 2 

QUALITATIVE CLASSIFICATION OF 
IRRIGATION WATERS 





Class I 


Class II 


Class III 


' Chemical 

Properties 


s Excellent to good 
; "Suitable under 
% most conditions" 

• 
« 


g Good to injurious 
s "Suitability depend 
sent on soil, crops, 
s climate and other 
? factors'" 


? Injurious to 
- ?Unsatisf actory 
s "Unsuitable 
s under most 
s conditions'* 


Total dissolved solids 
In ppm 

In conductance 
EC X lOO 


Less than 700 
Less than 1„000 


700-2^000 

1,000-3^000 


More than 2^000 
More than 3,000 


Chloride ion concen> 

tration 

In milli equiva- 
lents per liter 
In ppm 


Less than 5 
Less than 175 


5=10 
175=350 


More than 10 
More than 350 


Sodium in per cent of 
base constituents 


Less than 60 


60>75 


More than 75 


Boron in ppm 


Less than 0^5 


Oo5-2,0 


More than 2eO 



-10= 



Criteria for Industrial Uses 

The water q\iali ty criteria for the diversified uses of water in 
industry range from the exacting requirements for make-up water for high 
pressure boilers to the minimumi requirements for water for washdown and 
metallurgical processingo 

Industrial uses of water also include water utilized for food 
processing purposes » It may be stated that with the exception of certain 
canning operations such waters should at least conform to the quality 
requirements previously cited for drinking water supplies o Some food 
processing industries are even more exacting in their water quality 
requirements than those set forth in the United States Public Health Service 
"Drinking Water Standards" o 

Because of the large number of industrial uses of water and widely 
varied quality requirements 5 it is practicable to establish only very broad 
criteria of quality » These variable conditions make it desirable to consider 
water quality requirements in broad and general terms only, and where possible c, 
for groups of related industries rather than individually. The general quality 
requirements of seversuL individual and major groups of water uses are listed 
in Table 3o The values shown in this table sire those suggested in the Progress 
Report of the Committee on Quality Tolerance of Water for Industrial Uses in 
the Journal of the New England Water Works Association, Volume Sks 19U0o 



-11 



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-12- 



CHAPTER II - SURFACE WATER QUALITY 

In 1955 and 1956 the streams emanating from the Coast Ranges 
north of San Francisco and from the Sierra Nevadas contained waters of 
excellent quality with total dissolved solids generally below 150 parts 
per million (ppm) c 

Streams draining the -oastal areas extending southerly from 
San Francisco to the Mexican boundary and those draining into the Colorado 
and Lahontan basins contained waters varying from good to poor qusility with 
total dissolved solids ranging up tc 1.-000 pprao 

These streams as they pass from their mountain watersheds through 
the valley floor or coastal plainer receive irrigation return flown ground 
water drainage and waste water discharges, resulting in progressively 
greater concentration of salts with increasing distance from the mountains o 
In fact^ during summer and early fsillj flew in portions of many streams is 
comprised almost entirely of water from these sources o 

Radiological assays of surface waters conducted as part of this 
program indicate no significant amounts of radioactivity other than normal 
background counts during this reporting periodo 

North Ccastal Region (Noo 1) 

Stream sampling stations in the North Ccastal Region are presently 
located on the following streams: (l) Klamath River ^ (2) Smith River^ 
(3) Trinity River, (U) Eel River,, (5) South Fork Eel River. (6) Russian River, and 
(?) East Fork Russian River o 

Surface waters in this region are generally of bicarbonate type with 
calcium and magnesium constituting the major cations » Mineral analyses of 
samples display but comparatively little variation in mineral constituents 



-13- 



with remarkably low concentrations of total dissolved solids 3 low per cent 
sodiunio and are generally very softo Under conditions of abundant rainfall j, 
and sustained stream flow throughout the yearn there is little opportunity for 
the wide variation in mineral concentration and composition ;rfiich characterize 
the waters of most arid regions » 

A study of water analyses reveals thato except for occurrence of 
relatively high concentrations of boron in the Russian River during summer 
months J the waters in the streams sampled are of excellent quality and well 
suited for most beneficial uses except that for domestic and municipal uses^ 
some treatment and purification would be necessaryo 

The waters of the Eel River ^ especially samples obtained at the 
stations near McCann and Scotia during the s\ammer months ^ show total hardness 
in the slightly to moderately hard classificationo 

As reported in Water Quality Investigations Report No, 1$? "Quality 
of Surface Waters in Calif ornia^ 195l'='195V% boron was detected in the Russian 
River at Healdsburg and was found to originate in waste from a diy^ice manufactu 
ing plant located between Hopland and Healdsburg o Upon further investigation by 
the North Coastal Regional Water Pollution Control Board and this Department^ 
the source of this pollution was found to be a deep well supplying the dry=ice 
planto During the period of investigationn the plant was discharging approxi- 
mately 500 to 750 gallons per minute of waste water from this carbon dioxide 
well to the Russian River o Samples of this water contained from U0I4. to 69O 
ppm of boron as well as extremely high concentrations of other mineral con= 
stituentSo For the period Janxiary, 1955 to January, 1956 boron content of 
the Russian River at Healdsburg^ below the waste dischargeo ranged from 0,11 to 
l4<>3 ppmc Operation of the plant was halted in July,, 1956. The quality of water 
in the Russian River at Healdsburg id.ll be observed to determine whether this 
plant shut-dovm will alleviate the boron problem 

-14- 



Nc other significant trends in mineral composition or concentration 
of surface waters in the North Coastal Region are evidenced in analyses 
obtained during the course of this programo Seasonal variations in water quality 
are shown graphically on Plates 2 through 5 for selected streams within the 
region. Sampling station data for this region are shown in Table 1 of Appendix A, 
and ajialyses in Tables 10 and 19 of this appendix, 

San Francisco Bay Region (Noo 2) 

Surface water samples are presently collected from the following 
San Francisco Bay Region streams? (l) Napa River ;, (2) Alameda Creekj, 
(3) Los Gatos Creek- (U) Coyote Creek, 

Siurface runoff of the San Francisco Bay Region is generally of good 
to excellent mineral quality and suitable for domestic, agricultural- and 
industrial uses with exception of the tidewater reaches. The waters of the 
region are principally of the bicarbonate type^- and the dominant base is 
either calcium^ magnesium or sodium„ dependent upon mineral composition of 
the rock formations in the drainage basin. 

Analyses of samples show the waters to be slightly to moderately 
hard. Although waters of the region are suitable for most usesj samples 
collected from Alameda Creek near Niles contained concentrations of total 
dissolved solids near the upper limit for Class I irrigation water while 
boron concentration has been noted as high as lc8 ppm, A few of the 
smaller streams including those tributary to Napa River and Coyote Creekj 
occasionally have boron content near the upper safe limit for boron 
sensitive plants. 



-15- 



! I 



Mineral concentration of waters at Alameda Creek near Niles shows a 
gradual increase through the suiraner months of 1955 » and a subsequent decrease 
from that time through the summer of 1956. During December _„ 1955.:. and January^ 
1956;) these waters showed a marked decrease in total dissolved solids, chlorides, 
and total hardness. Insufficient data are available to predict with any degree 
of certainty whether this is a cyclic phenomenon or whether it is due to the 
flushing action of flood runoff waters. Seasonal variations in water quality 
are shown graphically on Plate 6 for Alameda Creek near Niles, 

Sampling station and analyses data are presented in Tables 2^ 11 and 
20 of Appendix A, 

Central Coastal Region (No, 3) 

Samples are collected from the following Central Coastal Region 
strearass (l) Salinas River, (2) Santa Ynez River, (3) San Lorenzo River ,, 
(U) Sequel Creekc,(5) Pajaro River, (6) Carmel River j, (7 ) Uvas Creek, 

Surface waters in the coastal drainage from the Santa Lucia and 
Gabilan Ranges and from Santa Ynez^ San Rafael, and Santa Cruz Mountains are 
generally of good quality, with low total dissolved solids, per cent sodium, 
and boron. Total hardness of these waters is low and generally suitable for 
most household uses. The coastal streams are uniformly calcium- magnesium 
bicarbonate type waters , Many streams draining interior basins are high in 
sulfate and have relatively high total dissolved solids. They usually 
contain significsint amounts of boron, probably originating from juvenile 
waters rising along faults. 

During periods of flood runoff c, the waters in most streams of this 
region are of good mineral quality and suitable for all but the most exacting 
uses. However, the periods of low flow water in many of the major streams 



-16- 



consist largely of return irrigation waters and mineralized ground water 
drainage o During these low flow periods mineral concentrations approach 
maxiraim limits of usabilityo 

Surface inflow to the Salinas River Basin from Santa Lucia Range 5, 
and from the part of its drainage area above the mouth of Nacimiento River,, 
is generally low in total dissolved solids , boronj and per cent sodium, 
and is a bicarbonate type water » 

Water from the Santa Maria River near Santa Maria shows higher 
calciiom sulfate than inflow from Sisquoc River ^ and the latter is lower 
in total dissolved solids than flow of either Cuyama or Santa Maria Rivers 
Except during brief periods of flood flow the mineral content of the Cuyama 
and Santa Maria Rivers approaches the upper limit of Class I irrigation water,, 

In addition to seasonal fluctuations in mineral concentrations, some 
general trend toward greater mineral concentration in certain streams of the 
Central Coastal Region have been evidenced in analyses performed under this 
programo In contrast to this,, samples collected from Pajaro River near 
Chittenden show a gradual build up of total dissolved solids and increase 
in chloride concentration through the summer of 195Usi a slight decrease in the 
summer of 1955 s and a sharp decline between December^ 1955.9 and January « 1956 = 
Here as elsewhere this latter decline as well as the notably lower mineral 
concentrations during the subsequent summer may be attributed to the unusually 
high flood flows during December „ 1955., and January, 1956 » The aforementioned 
increase and subsequent decrease in mineral concentration in samples from Pajaro 
River near Chittenden is illustrated on Plate 7o As may be seen there is a 
marked decrease in concentration of mineral solubles with increased flow during 
the winter runoff months,, 

Sampling station and analyses data are presented in Tables 3,» 12 and 
21 of Appendix Ao 

-17- 



Los Angeles Region (Noo h) 

Streaun sampling stations in the Los Angeles Region are presently- 
located on the following streams s (1) Matilija Creeks (2) Ventura Rivera 
(3) Santa Clara River, (U) Los Angeles River, (5) Rio Hondo^ (6) Mission 
Creekp (7) San Gabriel River,, (8) Metropolitan Water District Aqueduct at 
La Verne,! and (9) Mono=Owens Aqueduct at San Fernando Reseirvoir,, 

Surface waters in this region vary widely in character according to 
locationo Quality is generally better in most streams during periods of high 
flow than during periods of low flow. Since annual runoff during the reporting 
period was considerably less than the long time mean values for most of the 
natural streams in the Los Angeles Region^ the general water quality was below 
normals 

The Los Angeles River in its lower reaches serves as a drainage 
channel through the Los Angeles Metropolitan Area, The flows monitoredn 
particularly at Station NOo US, (Los Angeles River at Long Beach) include 
varying quantities of wastes which have a pronounced effect upon water quality. 
An illustration of the wide range in mineral concentration of water sampled at 
this station during the reporting period may be seen in Table 13 were chloride 
concentration varied between 172 parts per million in February, 1955,9 and 8275 
parts per million in May, 1956 o 

The San Gabriel River at Azusa contains varying amounts of Colorado 
River water released from Morris Reservoir o Colorado River water has also 
periodically been released from Puddingstone Reservoir for spreading in the 
Los Angeles Forebay and has been sampled at the Whittier Narrows Station on 
the San Gabriel River, Therefore analyses at this station are not indicative 
of the native water. It is contemplated that the San Gabriel River station 
at Azusa will be moved upstream above the reach affected by imported water. 



I , -18- 



Waters of Matilija Creek show a fluctuation of boron from Oo6 to 
ho3 ppnio Additional samples are presently being collected within the Ventura 
River System in cooperation with Ventura County to determine the magnitude and 
extent of the boron problem o 

Santa Clara River water is poor quality, has a high sulfate contentt, 
and is extremely hardo This river system also includes waters containing 
significant quantities of borono The water in Santa Clara River at the 
Santa Paula Station is of better quality than the water at the Los Angeles= 
Ventura County line stationo This improvement in quality is attributed to the 
effect of better quality tributary inflow from Sespe and Piru Creeks, Inclusion 
in the monitoring program of sampling stations on these two tributaries is being 
considered o Seasonal variations in water quality are shown graphically on 
Plate 8 for the Santa Clara River at Los Angeles=Vent\ara County Lineo 

Sampling station data for this region are shown in Table k; and 
analyses for these stations in Table 13 and 22 of Appendix A„ 

The tremendous urban and industriail development taking place within 
this region and the associated increase in waste disposal problems necessitate 
the addition of other stations to provide essential data for control of 
pollution and contamination of the surface and ground waters » 

Central Valley Region (Uo^, ^i) > <i. 

Because of the great size of the Central Valley Region and the 
wide variance in mineral characteristics and concentration of the surface 
water supplies <- more sampling stations are located in this region than in 
any other „ The streams, lakes ,^ and other water supplies sampled under this 
program in the Central Valley Region are listed hereunder as follows? 



-19- 



Sacramento River Bear River 

Cottonwood Creek North Fork Cache Creek 

Stony Creek Putah Creek 

Sacramento Slough Butte Creek 

Calaveras River Big Chico Creek 

Pit River Colusa Trough 

Burney Creek Mill Creek 

Indian Creek South Honcut Creek 

McCloud River Tule River 

Feather River Delta-Mendota Canal 

Yuba River Consumnes River 

American River Deer Creek 

Mokelumme River Delta-Cross Channel 

San Joaquin River Little Potato Slough 

Stanislaus River Stockton Ship Channel 

Tuolumne River Old River 

Merced River Italian Slough 

Kings River Indian Slough 

Kaweah River Rock Slough 

Kern River Lindsey Slough 

Clear Lake Bear Creek 

Cache Creek 



The concentration of mineral solubles in surface streams varies widely 
with stream regimen. There is a gradual increase in mineral content during 
the course of flow from the foothills across the valley floor o It may be 
generalized that concentration of salts is usually lower in the northern and 
northeastern portions of the Central Valley Region than in the southern and 
southwestern portions owing to dilution from more abundant rainfall and run= 
off 3 and because soluble salts have been leached from the alluvium in past 
geological time» 

From point of view of mineral characteristics, surface water of the 
Central Valley Region may be divided geographically into "east side",, 
"west side", and "axial". 

Waters in streams that flow from the Sierra Nevada are generally 
of excellent mineral quality at the eastern edge of the valley floor, and 
suitable from that standpoint for most purposes without treatment,, Water 
in streams from the Cascade and Klamath Mountains ;, tributary to the 



-20- 



Sacramento Basin in the north., is of similar high quality. All of the 
aforementioned waters are in the "east side" quality classification and are 
uniformly calcium bicarbonate in type. Total mineral solids in these waters 
is generally less than 100 parts per milliono 

Included in the "west side" quality classification are those waters 
of all streams draining the coastal ranges north to Story Creek^, and from 
the San Emigdio and Tehachapi Mountains at the southern end of San Joaquin 
Valley o The largest of these streams are Cache and Putah Greeks,, Average 
concentration of salts in these two streams is three to four times that which 
occurs in the "east side" streams o Much higher concentrations of mineral 
solubles „ ranging from about 2^0 to 38OO ppm are contained in the water of 
"west side" streams flowing into San Joaquin River c The most important of 
these are San Luis<, Los Bancs, Little Panoche, Cantua,, and Los Gatos Creeks, 
The combined flows of these streams are small„ but they contain relatively 
high amounts of dissolved mineral matter^ including up to 17 ppm of borono 
These waters are either chloride or sulfate in type., in contrast with the 
uniformly bicarbonate "east side" waters o 

A mixture of "east side" and "west side" waters plus return irrigation 
and effluent ground water seepage comprise the surface waters of the valley 
trougho This classification is herein termed "axial" waters » Surface inflow 
from east side tributaries is generally so large that the effect of the poorer 
quality "west side*' waters is obscured in the mixture. However^ the effect of 
ground water effluent seepage, primarily irrigation return, is noticeable much 
of the time in San Joaquin River between Mendota Pool and the Sancramento=San 
Joaquin Delta, During penods of relatively low flow^ chloride and sulfate 
content is generally greater than bicsirbonate content in the reach of the 
San Joaquin River between Mendota Pool and the confluence of Sacramento River, 



-21- 



The Sacramento Riverj, the largest watercourse in the states falls 
in the "axial" group o At the Sacramento sampling station, the waters show a 
remarkably uniform quality pattern from year to year. Total dissolved solids 
generally range below 175 parts per million in waters sampled at this station 
and hardness is generally below 90 ppm„ Concentration of mineral solubles were 
greatly reduced during the summer of 1956c, perhaps as a result of extremely 
high flows during December j, 1955^ and January, 1956 o 

Streams in areas of the San Joaquin Valley c, where water supplies 
are more fully developed, st\ow a continuing trend toward greater mineralizationo 
Although the increase^ in mary cases^ is slight^ the trend is apparent and 
probably will continue until imported waters are available to provide sufficient 
dilution to carry off the increasing amounts of return irrigation flows and 
municipal and industrial wastes or a waste conveyance system is provided o 

Sampling station and aiialyses for this region are listed in Tables 
Ss, Iks ^J^d 23 of Appendix A„ Fluctuations in quality characteristics for 
the major streams are shoim graphically on Plates 10 through 15 o 

Lahontan Region (No. 6) 

Samples are collected and analyses reported herein for Lake Tahoe 
and the following streams? (1) Susan Riverj (2) Truckee River ^ and (3) Mojave 
River o 

The surface waters draining the eastern slopes of the Warner Range 
and the Sierra Nevadas are of excellent mineral quality and well suited for 
general use, as are the waters draining the north slopes of the San Gabriel 
and San Bernardino Mountains, These mountains, composed largely of granitic 
materials, contribute only slight quantities of mineral solubles. Surface 
water from the Owens River watershed are calcium bicarbonate in type as are 
the waters of the Mojave River. These waters have similar characteristics 

-22- 



except that those of Mohave River have a somewhat greater total hardness 
and lower boron content. The higher boron content of Owens Kiver is due 
largely to mineralized hot spring waters flowing in from Hot Creek » These 
spring waters contain 10 or more parts per millioq of boron. 

The waters of the monitored streams in the Lahontan Region are of 
excellent mineral quality and from a standpoint of irrigation are all class 
I waters J ail though waters sampled from MojoTe River near Victorville are 
slightly hardo No significant trend toward greater mineral concentration 
is noticeable. 

Sampling station and analyses data for this region pire presented 
in Tables 65 1$ and 2li cf Appendix Ao A graphical representation of water 
quality characteristics of the Truckee River near Farad is shown on Plate 16 o 

Colorado River Basin Region (No<, 7) 

Sampling stations in the Colorado River Basin Region are presently 
located on the following water courses; (1) Colorado River. (2) All American 
Canal, (3) New River- (I;) Alamo River, and (5) Whitewater River, 

Throughout this region, rainfall is sparsep and the occasional 
heavy rains often result in flash floods. These floods generally have 
high instantaneous discharges but are of short duration. The runoff is 
usually of good qusility. Except for the Colorado River^ natural suface 
streams in the region are usually dry throughout most of the year. 

Water flowing in the All American Canal is diverted from the 
Colorado River, It is sodium- calcium sulfate in character and is Class II 
irrigation water. The New and Alamo Rivers, which enter the United States 
from Mexicoj, are made up, in large part, of irrigation return flows and 



-23- 



canal spills from the All American Canal and distribution canals of the 
Imperial Irrigation District. Water in these two rivers is usually sodium 
chloride in character and Class III irrigation water. At the International 
Boundary o the New River poses a serious quality problem because of the 
industrial wastes and raw sewage discharges from the City of Mexicali. At 
New River near CalexicOs (station No. 57),« bacterial counts have reached 30 
million MPN (most probable number per milliliter). 

The Whitewater River is calcium bicarbonate in character and 
meets the mineral quality criteria for Class I irrigation water. Water is 
diverted from the Whitewater River one and one-half miles upstream from 
Whitewater and piped to Palm Springs for non-domestic use,- 

Because of the stability of the character and mineral content of 
these waters 5 consideration is being given to placing these stations on a 
bi-monthly sampling schedule. Sampling station and analyses data for this 
region are given in Tables 7, 16 and 25 of Appendix A. 

Santa Ana Region (No. 8) 

Sampling stations in the Santa Ana Region are presently located 
at Lake Elsinore and on the following streams? (l) Santa Ana River, 
(2) Warm Creek, and (3) Chino Creek, 

In this region, mineral quality of siirfacr runoff varies with 
flow, being noticeably better during periods of high flow. Accordingly, 
it should be observed that runoff during the reporting period was less than 
50 per cent of the long time mean runoff. 

At several of the stream sampling stations within this region^ 
analyses showed great variation in characteristics. This variation 
particularly notable in analyses from the Prado and Arlington stations on 



-24- 



the Santa Ana River « is due to the mixing of imported Colorado River water 
with the natural flow of the Santa Ana River, In the natural waters,, 
bicarbonate is the predominant anion but in the mixed waters svir^te is 
the predominant aniono Both the natural and mixed waters are of good 
quality for irrigation use and fall within the standards for Class I or 
Class II o Despite the hardness of these waters, they are suitable for 
domestic use. Water in the Santa Ana River near Mentone is soft and of 
excellent mineral quality » It is calcium bicarbonate in character and has 
its origin in precipitation on the San Bernardino Mountain areas ^ where 
man's activity has not as yet resulted in noticeable impairment of water 
quality o 

Warm Creek channel carries natural surface runoff, rising ground 
water ^ and treated effluent from the San Bernardino sewage treatment plant » 
The creek is tributary to Santa Ana River but virtually all of the low flows 
are diverted into the Riverside Canal for irrigation use,, The Warm Creek 
station at Colton,, Noo SOb^, serves to monitor the effect of sewage discharge 
ipito Warm Creeko The second Warm Creek station, Noo 50c, at San Bernardino 
monitors the natural flow of the creek „ During periods of low flowc, most of 
the flow at this station is diverted for irrigation purposes into the Meeks 
and Daley Cansilo Natural Warm Creek water is calcium bicarbonate in character c 
hardc, and Class I for irrigation. The San Bernardino sewage effluent is sodium 
bicarbonate in character-, hard, and Class I for irrigationo 

Chino Creek is tributary to the Santa Ana River just above Prado Damo 
The flow in this creek consists mainly of Chino sewage plant effluent, except 
when there is sufficient rain to cause runoff. This effluent is normally 
calcivun bicarbonate in character^ hard-, and cf good mineral qualityo 



-25- 



Lake Elsinore has been dry most of the time since 1952. There was 
sufficient water to sample at only one time during the period of this report. 
This was in February;, 1906, when the total dissolved solids content was 
10ci500 ppmo The lake water, when it can be sampled is usually sodium chloride 
in character and moderately hardo 

Continued urban and industrial growth in this region requires full 
development, conservation, and protection of local water supplies. Therefore, 
continued monitoring of these surface waters at existing stations is important p 
and consideration is being given to the establishment of additional stations 
on the San Jacinto River. 

Sampling station data and analyses for this region are shown in 
Tables 8,, 17 and 26, of the Appendix A„ A quality characteristics graph for 
the Santa Ana River near Mentone is presented on Plate 17. 



Sampling stations in the San Diego Region are presently located 
on the following streams s (l) Santa Margarita River, (2) San Luis Rey River „ 
(3) Escondido Creek, (i;) San Dieguito River^ (5) San Diego River, and (6) Tia 
Juana River. 

Drought conditions which have prevailed throughout southern California 
for the past decade have been severe in the San Diego area. The effect of sub= 
normal precipitation and runoff in San Diego County is maaifest in the surface 
water storage which averaged approximately 15 per cent of the total reservoir 
capacity d\iring 1955 and 1956,, in spite of the importation of 269, 6U8 acre- 
feet of Colorado River water during the period. These severe drought con<= 
ditions are reflected in the monitoring program by lack of svifficient flow to 
sample and by high mineral concentration in low flows sampled. 



-26- 



Throughout most of this region^, the surface waters are sodium 
chloride in character | however c the waters of San Luis Rey River near 
Pala and San Dieguito River near Ssin Pasqual Valley are calcium to sodium 
bicarbonate in character » 

The Santa Margarita River near Fallbrook displays relatively 
little variation in mineral quality and is normally Class II irrigation 
water, occasionally becoming Class I during high flows » This water is 
sodium bicarbonate-chloride in character and is very hard, Santa Margarita 
River flows the entire year at this station, but the discharge is very small 
during the summer months e 

The Pala Station on San Luis Rey River is located about 2$ miles 
inland from the coast. Water in the river at this station is of good quality 
but hardo 

The dry weather flow of Escondido Creek consists mainly of effluent 
from the Escondido sewage plant » The Creek at the sampling point is normally 
dry during the summer months, since the sewage effluent is used to irrigate 
permanent pasture upstream. This water is variable in quality^ reflecting 
the effect of both sewage treatment plant effluent and waste discharges from 
a stone quarryo Quarry cooling water with cutting waste enters Escondido 
Creek just above the station during periods when the quarry is in operationo 
At a point 200 yards downstream from the station a small earth dam is usually 
built after spring rains. This dam backs up water beyond the station and 
influences the water quality. The water sampled from Escondido Creek near 
Harmony Grove (Station No, 63) is hard and is generally class III irrigation 
water , 

The sampling station on the San Dieguito River is located below 
Scin Pasqual Valley and just upstream from the San Diego Aqueduct crossing. 



-27- 



Because of its location and the drought conditions extant during the reporting 
periodj, there has been no flow at this station most of the time. Past analyses 
show this water to be Class I for irrigation and hard. 

The San Diego River, sampled just below Old Mission Damp normally- 
flows after a heavy rain. The remainder of the time, water is ponded above 
and below the dam, and samples are taken from the downstream pond. Analyses 
show this water to be sodium chloride in character 5 very hard and Class I 
to Class III irrigation water, depending on flow. 

Runoff in the Tia Juana River is controlled in Rodriguez Reservoir 
in Mexico o During the reporting period, the only surface flow at the station 
near the international boundary was tributary runoff from the area below 
Rodriguez Dam, Development of ground water from the upper Tia Juana Valley 
in Mexico by the' City of Tia Juana has caused further depletion of the surface 
flow in the river, R\moff at Station No, 66 (Tia Juana River at International 
Boundary) is sodium chloride in character, very hard and ranges from Class I 
to Class HI for irrigation depending upon flow. Flows often contain trash 
and domestic wastes from sections of the City of Tia Juana constructed along 
and in the river channel. 

Rapid urban and industrial development of San Diego County has taxed 
the available water supply to the limit and plans are under preparation to 
provide for importation of additional water. Protection of the quality of local 
water supplies is therefore important, and emphasizes the need for continuation 
of the monitoring program in this region. However, since mineral quality has 
been consistent and flows generally small, consideration is being given to 
placing the program on a bi-montly basis in this region. 

Sampling station data and analyses for this region are shown in 
Tables Sr, 18 and 27s> Appendix A, The mineral characteristics of Santa 
Margarita River near Fallbrook are presented on Plate 18, 

-28- 



SUR 



Intioii 
umber 

NORTH COA 

Klamath Ri 
Klamath Ri 
Klamath Ri 
Smith River 
Trinity Riv 
Trinity Riv 
Eel River u 
Eel River a 
Eel River, S 
Russian Ri^ 
Calpella 
8a Russian Riv 
9 Russian Riv 
Russian Riv 
Russian Riv 
Valley Po 
Russian Riv 



3 

3a 

4 

4a 

5 

6 

7 

8 




Oa 



Ob 

SAN FRANCISC 

■^ Xapa River 



3a 

i 

5 

5a 
5 

3 

r 
{ 

5 



Alameda Cr 
Los Gatos C 
Coyote Cree 

CENTRAL CO 

Salinas Riv 
Salinas Riv 
Santa Ynez 
Santa Ynez 

Canyon 
Santa Ynez 
San Lorenzc 

Fenton ) 
Soquel Creel 
Pajaro Rive 
Carmel Rive 
Uvas Creek 



LOS ANGE'~* 

)b Matilija Cr< 
J Santa Clar 
Ventura 
Santa Clarak 
Santa Clara 
Los Angeles 
Los Angeles 
Rio Hondo 
Mission Cre 
San Gabriel 
San Gabriel 
Ventura Ri\ 
Metropolitai 
at La Ver 
Mono-Owen 
Fernando 

CENTRAL V«| 

Sacramento 
Sacramento 
a Sacramento 
b Cottonwood 
Sacramento 



la 
ib 

t 
I 
la 



la 





STATE OF CALIFORNIA 

DEPARTMENT OF WATER RESOURCES 

DIVISION OF RESOURCES PLANNING 

WATER QUALITY INVESTIGATIONS 



PERIODIC STREAM SAMPLING STATIONS 

1955-1956 

SCALE OF MILEi 



Because of its location and the drought conditions extant during the reporting 
period^ there has been no flow at this station most of the time. Past analyses 
show this water to be Class I for irrigation and hard. 

The San Diego River, sampled just below Old Mission Dam, normally 
flows after a heavy rain. The remainder of the time^, water is ponded above 
and below the dam^, and samples are taken from the downstream pondo Analyses 
show this water to be sodium chloride in characterj very hard and Class I 
to Class III irrigation water, depending on flow. 

Runoff in the Tia Juana River is controlled in Rodriguez Reservoir 
in Mexico c During the reporting period j the only surface flow at the station 
near the international boundary was tributary runoff from the area below 
Rodriguez Dam„ Development of ground water from the upper Tia Juana Valley 
in Mexico by the' City of Tia Juana has caused further depletion of the surface 
flow in the river. Runoff at Station NOo 66 (Tia Juana River at International 
Boundary) is sodium chloride in chsiracter, very hard and ranges from Class I 
to Class HI for irrigation depending upon flow. Flows often contain trash 
and domestic wastes from sections of the City of Tia Juana constructed along 
and in the river channel. 

Rapid urban and industrial development of San Diego County has taxed 
the available water supply to the limit and plans are under preparation to 
provide for importation of additional water. Protection of the quality of local 
water supplies is therefore important, and emphasizes the need for continuation 
of the monitoring program in this region. However, since mineral quality has 
been consistent and flows generally small, consideration is being given to 
placing the program on a bi-montly basis in this region. 

Sampling station data and analyses for this region are shown in 
Tables 9s 18 and 27j) Appendix A, The mineral characteristics of Santa 
Margarita River near Fallbrook are presented on Plate 18. 

-28- 



/:\. 



STREAM SAMPLING STATIONS 
SURFACE WATER QUALITY MONITORING PROGRAM 



>4 FtANCIICO UT RiOION (I 



^ull LorrmoBiiml Bt(Tiw> i 



^■nla 



II Lin A 



Clirm HivK nrsr SsnU PnulB 
■ nm Rivrr il Blot (Mt 
\iiftlf> RIrn Bi Loi AUFln 
L« Ancdn Bivn •! Looi Dtirb 
~ Hondo ■( Wblttjtr Niirreo'* 
iMlnn Cr«li 01 WTiiltlw NerroBr- 
ID (iabflel m n 
in Cnbrid Rln 
■Dlun BU« Bi 
I MdroiioltUB W«i»r Diitrtrl Aqunla 

■I La Vrnif 
I Unnn-Onu Aqnrdud nrir Sin 
FntKBda 

nmui vAuiT uoiaN in*, si 






tW Dtl 



SI ITS ni 
iimriiru Kiirr iil 
nCroB Cbunnd 



D Riade* 



Uukrlumnt Kiit^r si Wuodbridcc 
a Moktlumne Rivrr DiMir taorliii Plai 

San Junquia RIcrr al FriBDl 
< 8iD jDoquia Bivri Dpnr MrmJaln 
la San Joaquin Bivpr nrat l>ai. PoIm 
; Sin JoDnuiD Ricft nrar Gni Ma 
la Son Joiqnin Rirrr at Maw Ruad 

Bridcr 
' Hbd Jnaqnin Riirr Dtat VrtiuU* 
• San JoaqaiD Hiitr at An(l-Kh 
I l«l>>ni<lBU> RiiFr n»ir M'lolli 
U SUnitlBD. Bivrr arti KnichI- Ffn 
I TnoluDinP River m Hkkman- 
n'alrrford Brider 



i> Rk« 



il Tnoli 



■ TuDluancRitcr b«loH Dun Tolr 
)< TooluoinF River nl La HruEr 

Mtrtrd Hif*f Bar Strvinaon 
a llrrrpi] Rirer beloif Eitlininrr I 
" »XorlhFork 



XI« Kiat* Rliri 



■f Pinf Flat Pboi 
Bitrr bflutt Xonli Furk 
Ritcr briow PKiplr. WHr 
ir KlDEKbure) 
b Biv« ornr Tbcw Rivrn 
liirr mar BakcnKria 
liier b(lo« IuUIId Dnn 



)l CTfdr lake at Lakrp<.rt 

42 CarhF CttflL nrar Loirrt 

78 IJtar Rlvfr nfot Whiill 

TU Cadie Cwft, Xotib Fori 



Pulib CiHk n«r Q'infTn 
BuIIf Cth k Dfar Chico 
Bl[ Chifl) Crwk n»t LlilDi 
CdIdu TroDEb nrar Cfiliiui 



eoirnlo Rirrr at Kmrirk DZ nrlta-Mrnduli 

■ SarramcDio Rirtr nnr RnliliuR <I3 HcKoMfDiIoti 

b Coi(aair«Hl Crtrk nrar Cntinnwood W Catuinan Ri. 

I 8*cnm*n(a Ri'n am HuniiltuD Ciij Ou I>»t Onk df 



UU Lllllc PntaiD Sliiunb hi 

ion StocklOD Sblp ChoDTirl 

IiUnd 

ml San Joaquin Riitr ai Giraood Bride* 

102 San Joaquin Rivrt at MoodaJc Briilcr 

103 OW Rivfr nmr Trarj 

VH OM River at Clilron Court Frrrr 

106 iTDllan SloUEb near Moutb 

10T Indian SlDugh near Brenlvwd 

108 OM River al OnvMd Bridfe 

IW Rurk Hlonch nmr KnletHvn 

110 l.ind»r Sluutb RHT Bio ^lita 

111 Bear Crtrk near flloriaun 

112 Old Bit* r at Maoiliville Idand 

lAHONTAN liniaN (Ne. «) 

1Tb SuMin Bl>et ul Sunnvillc 

3T IJike Taboe al Tnboi- Viola 

S8 tjike Tabuc lit Tabor Cll; 

Sli Ijikf Taboe Dl Bijou 

Ti2 Tnickre Rivet ntnt Trucker 

S3 Truckee River nrar Farad 

61 tlDJave River nrat Victorville 

coiouDo aiviR lasiN uaiON inb. t\ 



SOa All Amrrieon Canal nrar Pilot Enob 
.'•eb Colorado River betoir Moreloi Dam 
:>Gc Colorado Rivrr near Blnhe 



08 WhilrwBIrrBi'etnl Wbilrx 
SANTA AN* liOION (Na. 
50b Warm Crrck al Collon 
Mt Worm Creik a< San Bernard 
ni KftBU Ana River near Arlint 
nu Santa Ana Rivpr nrar frido 
filb Santa Ana Rivrt n^ar Mptiln 
aid Santa Ana Rlret at Rli'(r.idi 

(MWDBIoBoH) 
oil! SonlB Ana River at Xono 
M Chinn Crrtk near Cbino 
80 Ukr Eltinore at North .Shor. 

tAN DUOO MOION INa. 
31c SnnI* UBnarlla Biter near 

IC Ran Lula Be; Biter nrar Pal 
03 Ewnnilldn Crtek near Rarmo 
M Man Dlexullo Biver brlnur Hn 




□EPARTMENT OF S^ATEB RESOURCES 
WAT en QUALITY I NVCSn CATIONS 



PERIODIC STREAM SAMPLING STATIONS 
19S5-I95G 



PLATE 2 














































































































































A 














































i 


/ 


\ 


























A 




















(_ 






■f- 


















/ 


/ 




\ 
















] 








\j 


T 


'i 


J 


'F 


\ 


\ 




i 


f 










i 


/ 


^ 


N 


\ 


V 


J 


1 








V 














V. 


7 












v 












* 
















































































































SOLVED 


SOLIDS 





































kRDNESS 




















































































































































■% 
























A 


















r^ 


-> 






< 




V 


/«- 






^ 




y 


-N 


si 


r 






k 










■»■ 


^ 


y 






V 


N> 




\, 






■ 














































































































JAN 

FEB. 

MAR 

APR 

MAY 

JUN 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 


JAN 

FEB 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 


i 


1955 


1956 



LORIDES 



iARACTERISTICS 

OF 

tR NEAR KLAMATH 

kTION NO. 3 



























































































PLATE 2 














































































































































































































































































A 


























































































A 














































^ 
























/v 


















f\ 


-f. 


















i 


I' 


\ 


\ 


















/ 


^ 




V 


















/ 


/ 




\ 














1 




J 






r 


- 


-\ 








/ 






\ 


y 


«— 










y 










N 


V 


J 


A 


\ 


\ 




i 


\ 








1 


/ 


r« 


> 


s 


s 


J 


f 




V 




> 










J 














> 


V 


^ 


























><, 


y 










\ 


/ 



































































































































































































TOTAL DISSOLVED SOLIDS 



00 


































1 


































-^-L 




































































r 


\ 




i 




M 




















/ 


r\ 


















/ 


^ 


r\ 














/ 








1 


i 


r 


\ 














/ 


< 






\ 




A 


^ 






r 


i/ 






^ 






r 


s 






\ 








/ 


\^ 


i\ 


\ 


i. 


'\ 




/ 


^ 












^. 


/ 




s 


V 


/' 












/ 






\ 


V 


1 




V 




/ 


^^7 






V 


' 


^ 


r 


! 




















\ 


f 










I 










\ 

































































































































































































































































































HARDNESS 





































































-n 
















-^ 
















































































































































































































' 




•%. 


V 


^a 


> 


/' 


> 




s. 


■^ 


■^ 


< 






0^ 


■J 


/• 










K 


^ 


^ 




■\ 




y 


y 


s/ 


f 






h 


Sr 










^ 


/ 






V 


»• 
















































































































































































































JAN 

FEB. 

MAR 
APR 
MAY 

JUNE 
JULY 
AUG, 

SEPT. 
OCT. 
NOV 
DEC 


JAN 
FEB. 
MAR 

MAT 

JUN 

JULY 

AUG, 

SEPT 

OCT, 

NOV 

DEC. 


JAN 
FEB 
MAR 

APR 

JUNE 
JULY 
AUG. 
SEPT 
OCT 
NOV 
DEC 


1953 


1954 


1955 


1956 


CHLORIDES 



QUALITY CHARACTERISTICS 

OF 

KLAMATH RIVER NEAR KLAMATH 

STATION NO. 3 



DEPARTMENT OF WATER RESOURCES (957 



PLATE 3 










1 








c^x . 




^^ 




-_^V_J. 


A 


A 


\_ 


^^_^I_^ t' 


\ 


/ 




V 

1 


' r- 


r 





















OLVED SOLIDS 








-^ l^'\ A 


/3 -fr 


_-A /— i- A i V 


4\j^t.:ln t't 


IaI- Y\t — 


_ J t__ \-r — 


T ^1 






IDNESS 














DEC. 

JAN 

FEB. 

MAR 

APR 

MAY 

JUN 

JULY 

AUG. 

SEPT 

OCT 

NOV 

DEC 

JAN 

FEe 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 


1955 1956 


ORIDES 





VRACTERISTICS 

OF 

R NEAR HOOPA 

Ion no. 4 



PLATE 3 

1 






"t"" /5^" T/:V-K-^-5-^^— - ^'\~ 


";^:::7t::^i i^'__A^ !^t t_^:_s,_z___ : 


IT ^^ ^/ w ^ ^j 







TOTAL DISSOLVED SOLIDS 




HARDNESS 





































































































































































-\ 














































































































































































































































/> 


r- 


-* 


s 


















r- 


-V 


















> 


r 


-* 


\ 


\ 
















/ 


/ 


'S 


s 




V 


^ 


s 


^ 


*^ 


^ 


-> 


[/ 










\ 


V. 


-*. 




y 


• 


^ 










\f 


n 


s- 


— 


N 














\ 








's 




-- 


/ 


















FES 
MAR 
APR 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC. 


FEB 
MAR 

JUNE 
JULY 
AUG 
SEPT 
OCT. 
NOV 
DEC 


FEB. 

APR 
MAT 
JUN 
JULY 
AUG. 
SEPT 
OCT 
NOV 
DEC 


JAN 
FEB 

APR 

MAY 
JUNE 
JULY 
AUG. 
SEPT 
OCT. 
NOV 
DEC 


1953 


1954 


1955 


1956 


CHLORIDES 



QUALITY 


CHARACTERISTICS 


TRINITY 


^IVER NEAR 

STATION NO. 4 


HOOPA 



DEPARTMENT OF WATER RESOURCES 1957 



PLATE 4 




OLVED 




SOLIDS 
























































































































A 
















































h 














































i 


' 




0% 


















rt 




f' 




n 




















V 


\ 




1 






1 


\ 




^ 




s/ 






\ 






^ 
















\ 


i 


( 




r 


i 


' 


^ 












\ 






\ 




/ 


/ 










i^ 




J 






















V 










/ 






































L. 










































































tDNESS 




























\ 














































,' 


\ 










A 










/ 


r 


\ 




r> 


• 




y 


\ 


• 


\ 








\ 








J 


n 


s. 


-s 


^ 


i" 


/ 






V 
















^ 


J 




\ 


L 




y 


/ 












































































































DEC 

JAN. 

FES, 

MAR 

APR 

MAY 

JUN 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 


JAN 

FEB 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 


1955 


1956 


ORIDES 




^RACTERISTICS 

OF 

1 AT SCOTIA 

ION NO. 6 



















































300 1 1 1 1 1 1 1 1 1 1 1 1 1 ~ 


^ 


250 J 


-\- 


-.^\ /t 1 - ^ 


„„ .., ,.ZJ_-_-,_.V^i- J— -i--J-f 


^ L __,_i___L-,,'^,L _ J__.L___L_.u^ 


,00 ""^'y v^U— - -,^^i n-U-— -- 


-7^^'""" ^ ^ / J i __:! 


7 TV tr 



TOTAL DISSOLVED SOLIDS 



^ i 


" . 


H 200 A 

. __ 




g - -"^;r -^-H- 


i ,0. /:v__,_, A-W^ ^ J t 


s -.^.-.^-- ^^.U-— l.^^^ A.7""T 


.t^^_____t 5^z_____:tZ "l" 




1—1 — L-l — 1 — 



HARDNESS 



--^4----— 




:^^\'^"""^::^t"7\^^'^55"rC::A^=^^ 


j^^^-^—^'c;:/ y--^- -- ti \.^^ 






FEB, 
MAR 
APR 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

OEC- 

JAN 

FEB 

MAR 

APR 

JUNE 

JULY 

AUG 

SEPT 

OCT, 

NOV 

DEC 

JAN 

FEB. 

MAR 

APR 

MAY 

JUN 

JULY 

AUG. 

SEPT 

OCT. 

NOV 

DEC 

JAN 

FEB 

MAR 

APR 

JUNE 
JULY 
AUG 
SEPT 
OCT. 
NOV 
DEC 


1953 1954 1955 1956 


CHLORIDES 



QUALITY CHARACTERISTICS 


EEL 


RIVER AT SCOTIA 




STATION NO. 6 



DEPARTMENT OF WATER RESOURCES 1957 



PLATE 6 




SSOLVED SOLIDS 






ARDNESS 









































- 
































f^ 


\ 




<l 






























V 














)^ 


' 




s/ 


\ 
































"sj 


"\ 




r 




^ 










\ 


















r 




■\ 














v 


















1 










/ 


f\ 


J 






\ 
































I 










1 










' 
































\ 


1 


/ 


^ 


J 














1, 


r 






























V 




















V 




>■ o 

O lAl 


«UJ<Q.<33DUJO OUJ 

"i..3<s=;=;<wozo 






1955 


1956 


LORIDES 



iARACTERISTICS 


OF 






EEK 


NEAR 


NILES 


•ION NO 


73 





? in 



PLATE 5 




f^^^ A (^'""^ <^^^\ f- 


i:""T"x J_:_'\~J-4----->- W-—% 


t ^'~^\\ t -J-,'^ - --^ 


'^t ____j ^ 


V 1 


T 







TOTAL DISSOLVED SOLIDS 




HARDNESS 









^ ^— \ 


/v^_,., ^^^ ^_.--" \ ,-v ■■■^ .__/■' \/ 


^^^--^\ ^ -^ 






JAN. 
FEB 
MAR 
APR 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 

FEB. 
MAR 

JUNE 
JULY 
AUG. 
SEPT 
OCT 
NOV 
DEC 
JAN. 
FEB 
MAR 

JJLT 
AUG 
SEPT 
OCT 
NOV 
DEC 

FEB 

APR 
MAT 
JUNE 
JULY 
AUG. 
5EPT. 
OCT. 
NOV 
DEC 


1953 1954 1955 1956 


CHLORIDES 



QUALITY CHARACTERISTICS 

OF 

RUSSIAN RIVER AT GUERNEVILLE 

STATION NO, 10 



DEPARTMENT Of WATER RESOURCES (957 



1 



1 






































PLATE 7 




















































r> 










































r 


\ 


^ 


^ 


N 


; 












































V 














h 


V 


^ 


^ 


\ 


































1 










\ 


L 


1 


\ 


























1 














\ 


J 


\ 


J 






















1 


















V 




/ 




















1 










































i 


' 








































\ 


f 










































V 






















lOLVED SOLIDS 






















































/ 


/ 






\ 


s, 


A 










r 


J 


A 


V 


yv 


s« 






f 






/ 












•"] 








J 


f 












'^s 


I 


J 


\ 


7 
















1 




^ 








































1 


j 










































\l 


































































IDNESS 














































































































/ 


\ 
































r 


> 








1 


' 






















[ 








/ 


f 




\. 


' 




















u 


/ 


T 


^ 
\ 


\ 


J 


\ 


1 


/ 






















t 


1 














V 


\ 


7 




















/ 


r 


J 




































I 


^ 




















(J 

O 


JAN 

FEB. 

MAR 

APR 

MAY 

JUN 

JULY 

AUG 

SEPT 

OCT. 

NOV 


JAN 

FEB 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 




1955 


1956 


GRIDES 




<^RACTERISTICS 

OF 

NEAR CHITTENDEN 

ON NO. 77 



PLATE 6 

1000 I 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 [ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 




^ -^^■"-=1 


ts /X-^'l J ^^ ^^% C."" \ 


Ti t "^ W -^ ^---^- 


T r ' 


"°7 \ -, — L— - 


,„„ ^'" \A [. 


^ )f 





TOTAL DISSOLVED SOLIDS 



aoo 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 


,„ + i\ . j^\\ z^4 


J^'^'m'^^'s ,?___' ,,^^:_____L-_-_.x-.— 


y V '^v'^ ^^ '^ 1 


'°°7 ::::::::::::::::":::i____t- 


.J : \rl ^: 


_ \ ^ t: 


7 

1 — 1 — 1 — !— J — i — 1 — ' — ' — 1—1—1 — 1 — 1 — 1 — 1 — 1 — 1 — 1 — l-J— 1 — 1—1 — 1 — LJ — 1 — 1 — 1 — 1—1 — 1 — 1 — 1 — 1 — 1 — 1 — 1 — 1—1 — 1 — i_J — 1— !_ 



HARDNESS 





































































































120 
































































r 


\ 




A 


















































f 
























X 














I 






^ 






























60 








^ 


s 








A 


^ 


; 




\ 










f 


f\ 


^ 












\ 




r 


-*- 


** 










\ 


















^ 












^ 


J 






\ 


1 


( 










\ 




^ 




/ 




















V 




























J 


('V 


; 












40 


/ 










1 


/ 


















^ 


















































1 






















































































^ 




/ 


r" 


J 
















r 












































































\/ 




















V 






JAN. 

FEB 

MAR, 

APR 

MAT 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC. 


JAN 
FEB. 
MAR 
APR 

MAT 

JUNE 

JULT 

AUG 

SEPT 

OCT 

NOV 

DEC 


JAN 
FE8, 
MAR 
APR 
MAT 
JUN 

AUG 
SEPT 

OCT 
NOV 
DEC 


JAN 
FEB 
MAR 
APR 

JUNE 
JULT 
AU& 
SEPT 
OCT, 
MOV 
DEC 




1953 


1954 


1955 


1956 




CHLORIDES 



QUALITY CHARACTERISTICS 

OF 

ALAMEDA CREEK NEAR NILES 

STATION NO 7 3 



DEPARTMENT OF WATER RESOURCES 1957 



PLATE 9 




lARACTERISTICS 

OF 

AT WHITTIER NARROWS 

nON NO 50 




TOTAL DISSOLVED SOLIDS 



















































































































^ 


^ 


\ 


























/ 


^ 












V 


/' 






\ 


s 














^ 


J 


/\ 


V 


A 


■^ 














/> 


,/ 


> 








\. 


\ 


\, 










(^ 


\. 




■^ 


^ 






1 




^ 


>y 




/ 












V 










y 
















^ 






N 


[/ 




















y 




^ 


















^ 


,^ 




\ 


y 






















^ 






















/ 




7 






















\l 




V 










































^ 


















































V 














































1/ 



























































































































HARDNESS 





































































































































A 






























































































'^ 


V 






























A 


































































> 
















r 


•\ 








J 


' 






























■ 








/ 


r 


■ 




A 
























I 










/ 


< 




























■J 


/ 




"v 


\ 












/ 












^ 










J 












\ 




f\ 


\ 




1 
























1 


1 


















i 


^ 


si 


r 














\ 




A 


1 


r 














V 




\ 


iy 






















/ 


<■ 


J 
















> 




J 






















^ 




V 








































1^ 


> 






















JAN- 
FEB 

MAR. 
APR 

JUNE 

JULY 

AUG. 

SEPT. 

OCT 

NOV 

OEC. 


JAN. 
FEB- 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

OEC 


FEB. 
MAR 
APR 
MAY 

JUN 

AUG 
SEPT 
OCT. 
NOV 
DEC 


I s 1 5 i 1 i il § i s 


1953 


1954 


1955 


1966 


CHLORIDES 



QUALITY 


CHARACTERISTICS 


PAJARO 


RIVER NEAR 


CHITTENDEN 






STATION NO 77 





DEPARTMENT OF WATER RESOURCES 1957 



PLATE II 







___ fi-s ,^ , 


__,_ t 1: yy 


_zv_/ J rt 


/3i_ tix-U 


_4j u\./ 


V T V 






.OLVED SOLIDS 




J~^'^'^ ^V I 


-_zi _/___X_:^ l\f 


LL\-I—. I / 


^tti t . 1 


W_t___I/LI 


— ^' 1/ 


I 


IDNESS 











J 


I 


,.„ t : 1 


l::l,sA . ^ J 


y__±^_\7s?^'\7^^ 


DEC. 

JAN 

FEB. 

MAR 

APR 

MAY 

JUN 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 

JAN 

FEB 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NO/ 

DEC 


1955 1956 


ORIDES 




\RACTERISTICS 

OF 

^ NEAR OROVILLE 

ON NO 19 






TOTAL DISSOLVED SOLIDS 




HARDNESS 

















-^ 




^ 




















t- 


■^ 


^ 


■s 








^ 












f- 


•v 


^ 


S 
















/ 


^ 


N 


s/ 


7 














f^ 


^ 


^ 




\ 


\ 












t 


J 










^ 
















f 










\ 


1 




/V 






( 












- 








■« 


/ 












\ 


\. 




^ 


n 


J 
















\ 


^ 


^ 


^ 


s^ 


- 


1 














\ 


J 




V 


J 














































































































JAN. 
FEB 

MAR 

APR 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 


JAN 
FEB 

MAR 

MAY 
JUNE 

AUG 
SEPT 
OCT 
NOV 
DEC 


FEB 

MAY 
JUN 
JULY 
AUG 
5EPT 

ocr 

NOV 
0£C 


FEB 
MAR 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 


1953 


1954 


1955 


1956 


CHLORIDES 





QUALITY 


CHARACTERISTICS 






SANTA 


CLARA 


RIVER AT L. 


A. 


-VENTURA 


CO. 


LINE 








STATION NO. 


46 









DEPARTMENT OF WATER RESOURCES 1957 



PLATE 12 


i 


ZL_ 





j :::::v 


a4 ^ - 


Ul-l 


..^t—.u- 


-Xt— r\T 


__J7 h T t^' 


f± r\fr 


t V 


T__i: 


t 


T 


iOLVED SOLIDS 


. 


7p 


A ,v___i r 


.Lt/l ::"r 


___v_____5_.£\ niv 


1/ y » 


V : 


Y 


^DNESS 


^n 


^^X /■" J 


:_!v^ L^ „ ,7\r" 


V V / ^ vr- 


DEC 

JAN, 

FEB, 

MAR 

APR 

MAY 

JUN 

JULY 

AUG. 

SEPT 

OCT 

NOV 

DEC 

JAN 

FEB, 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 


1955 1956 


ORIDES 




^RACTERISTICS 

OF 

ER AT SACRAMENTO 

ON NO 15 



£1 


"""+-- n.._JX 


,A M •^ 1 ^ 


_ _1J\ i-± / -/ ~[ 


— ±J-'4-rlt-^— tt-^— 


:::-:::, .^. j l_4^tv_i___vzJl____ 


T\-^ I ^- V 


J 




TOTAL DISSOLVED SOLIDS 


A\ . JC\ 


+ - _^^.^ /V---^-i^ \ 


£^ . y ___- _,^>/"Z"'K/Tt7""' 


^ n /::-_ LJ 7 _ Art/ _ t 


V — ^^ TS 




T J 


HARDNESS 1" p.. 


:r\\::w::1:_: 


-4B — 4— ^-- 


_ , /— -^ft-— 


h -— |-j±3t-/— 


^ Mi— i 


' 1 ' 
1 1 


i 1 '_-_iM-Q^— - 


-; P"" ,j ] _i_sE/ 


' -^-^: -^ ;." r-*" -^-^ry/ V 1 


t -— -=^— +-i/+-t+-h---t^----_ 


FEB 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 

JAN 

FEB 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT, 

OCT 

NOV 

DEC 

JAN 

FEB 

APR 

JUN 

AUG, 
SEPT 
OCT 
NOV 
DEC 
JAN 
FEB 
MAR 
APR 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 


1953 1954 1955 1956 


CHLORIDES 




QUALITY CHARACTERISTICS 

OF 

SAN GABRIEL RIVER AT WHITTIER NARROWS 

STATION NO 50 



DEPARTMENT OF WATER RESOURCES 1957 





PLATE 13 












































































































































































































1 


















































*■ 


A 














































) 




1 


\ 












r 


^ 


-\ 


































\ 


















V 


s« 


^ 


-> 


\ 


























\ 




> 


^ 


,/ 














\ 




























I 


/ 




V 


















\ 








/ 


/> 










































^ 


^ 


^ 




























































SOLVED SOLIDS 






K 
















































\ 


\ 
















































1 


\ 














































« 


J 




> 


\ 












A 


Vi 


*^ 


































^ 


s 


V 


i 


t 


\/ 


'^ 






•v 


•y 






■^ 


\ 








/ 


^ 


















J 
























^ 


"- 


-^ 


^ 






t 


»>RDNESS 






1 










X 

t 
tt. 

a. 
Ill 

i 

tn 

>- 

111 

<. 
X 

X 

o 

1 

< 

1 

X 

s 

K 

I 






















































































































































































































































































I 


V 










































i 


/ 




> 


V 












/ 


-A 


































> 


V 




/* 




> 


/^ 


^ 


I 


































\. 


_> 




' 


'/ 


/ 










/ 


r 


s 


^. 






■k^ 


^ 


>' 


1 


c 


* u 

> Ul , 

' o - 


FEB. 

MAR 

APR. 

MAY 

JUN 

JULY 

AUG. 

SEPT 

OCT. 

NOV 

DEC 


JAN 

FEB. 

MAR 

APR. 

MAY 

JUNE 

JULY 

AUG. 

SEPT 

OCT. 

NOV 

DEC 








1955 


1956 






LORIDES 








^ 


ARACTERISTICS 

OF 

AND BELOW PINE FLAT DAM 

NO 33a a 33b 























































PLATE 10 










'°° t"A ~- "-"s;;^^^^;";? ;----------^ 


^a:A::"7 v.. ,__,^^[______ ::_ / 


-f— -- s/' - -^'Sy-^/ i^--^^^_ / 





TOTAL DISSOLVED SOLIDS 



:z-L 






'^^ 




^/- 



,^S 



^J4\^ 



HARDNESS 



















































































































































































































































































































































































1 
1 
























































































1 


1 
























































































/ 




\ 




















\\ 




















/ 


s 












i 


s 




























/ 


1 










^' 


»' 


.' 




^ 








ij 


\ 








1 
















> 


\ 




/ 




























/ 
























\ 


/ 


1 






\ 


/ 




f 




















S 






i 


/ 


■ 




s 


• 


N 




/ 


s 


/ 


n 


'1 






























1 




































\ 


/ 












s 


/ 








JAN, 

FEa 

APR 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 


<?liiUiSgis 


FEB 

JUN 

AUG. 
SEPT 
OCT 
NOV 
DEC 


FEB 

JUNE 
JULY 
AUG 

SEPT 
OCT 
NOV 
DEC 




1953 


1954 


1955 


1956 




CHLORIDES 



QUALITY CHARACTERISTICS 

OF 

SACRAMENTO RIVER AT KESWICK 



STATION NO 12 



DEPARTMENT OF WATER RESOURCES 1957 



PLATE 14 


















y X — s* ^B»"' ^ 


^^-^^>^ 


SOLVED SOLIDS 










7^^^^ 


^J ^^^~^^~\/\^--^\ ~[ 


^-^\7 




>>RDNESS 















































































































































i: 


\ 








—4 


1 — 




































1 


s 


L_ 




1 


\ 






_ 




























f 






\ 


/ 






\ 


/ 




\ 
























,_ 
















\ 


f 






\ 








> 






































\ 


^ 


/ 


■V 


/- 


\ 










1- 




























-^ 


f 






^- 


\ 


/ 


\ 


O - 


FEB. 
MAR 
APR 
MAY 

JUN 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 


JAN 

FEB 

MAR 

APR 

MAY 

JUNE 

JULY 

AUG 

SEPT 

OCT 

NOV 

DEC 




1955 


1956 


-ORIDES 






ARACTERISTICS 

OF 

RIVER AT FRIANT 

ION NO 24 




















































TOTAL DISSOLVED SOLIDS 




HARDNESS 











, 


jL _;a._ L 


^^-.\.7\^S. jAI\J I ysA A — ..-..-- 


^^2 ^^ "" -^ \ .i'^sZ s 




1953 1954 1955 (956 


CHLORIDES 



QUALITY 


CHARACTERISTICS 


FEATHER 


RIVER NEAR 

STATION NO 19 


OROVILLE 



DEPARTMENT OF WATER RESOURCES 1957 



PLATE 15 




HARACTERISTICS 

OF 

VER NEAR VERNALIS 

TION NO. 27 



II 



PLATE 12 




TOTAL DISSOLVED SOLIDS 




HARDNESS 

















/ 


\ 


















r 


V 


■^ 


\ 
































— 










-^ 
























1 










A 








- 








1 


y 






^ 










r 


J 






































r 


\ 


.-1 


^ 


} 


' 






\ 


f 


/ 


\ 


1 




r 


1 












V 






"< 


^ 


i 


/ 










\^ 


\ 














> 


r 


\ 




^ 






/ 






' 


















V 


^ 
























1 


V 
















y. 


/ 






v' 














vi 




JAN. 
FEB 

MAR. 
APR 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC. 


5 S i II 1 1 1 1 § 1 K 


JAN 

FEB. 

APR 

JUN 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 


FE8 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 


1953 


1954 


1955 


1956 


CHLORIDES 



QUALITY 


CHARACTERISTICS 


SACRAMENTO 


RIVER AT 

STATION NO 15 


SACRAMENTO 



DEPARTMENT OF WATER RESOURCES 1957 



PLATE 16 




lARDNESS 





« Q. <I O 3 D 



O Q. »- > O 



^ li. S < Z 






1955 



HLORIDES 



HARACTERISTICS 

OF 

VER NEAR FARAD 

^TION NO. 53 



PLATE 13 




TOTAL DISSOLVED SOLIDS 


X A 


.0 — - I 


:::::: , , L 


\ r-. ^^ rJ \ 


.0 - V-V-— ::t'^-::-^::::::\-7;^^:::::::^::-;;: 






HARDNESS 



















































1 










2 

i 

i 

i 

s 

i 

i 

: 






























































































































































































































































































































































































































































































































^ 








r 


\ 


























V 










































- 




■\ 














{ 




J 




> 


I 
















/ 


f 






^ 


V 












/ 


\ 






























\ 


























\ 


1 




/N 




r 














N 


1 




r» 




y 


f 


' 
































V 


s/ 


/^ 


M 




















I 


/ 




























^ 


'y 


/ 






\ 




/ 


f^ 


\ 




^- 






^ 


J 




1 = 1 s 1 1 i 1 1 s i s 


^SliSs^^ili^iozS 


5 = 1 ! i 1 i 1 ^ s 1 s 


FEB 

JUNE 

AUG 
SEPT 

NOV 
DEC 


1953 


1954 


1955 


1956 


CHLORIDES 







QUALITY CHARACTERISTICS 






KINGS 


RIVER 


AT 


PIEDRA 

STATION 


AND BELOW 

NO 33oa33b 


PINE 


FLAT 


DAM 



DEPARTMENT OF WATER RESOURCES 1957 



r^ 



I 



PLATE 17 




SOLVED SOLIDS 



iRDNESS 




PLATE 15 

800 1—1 — 1 1 1 [ 1 1 1 1 — [— j — 1 r-j — 1 1 1 1 — [-] 1 1 — [— ] 1 1 1 r I T 1 1 — 1 — [- r -[■— 1 — 1 1 I [ 1 — III- 




c'^\ A ^^^-\ 


.All "I l\_1\LA 


J 1 L \^^ L__--^J_J [ i\-^- 


1 T \ ^"^ ^ \ t ^ 


^°T ^-^ \^d ^^--J 





TOTAL DISSOLVED SOLIDS 



& 



h 





^-: 



^^-\i 



V\ 



HARDNESS 





.0--^------- 7 r"irr^%' 


Jl A _ / v' \\^- \ 


,„<,_J_I__ U 4 L S J I L y^ — - 


_ ___,__^rl___L__ 'V. _______! _k:\ 


,,/____/_-— it ^ - — -___ 


L__L ______ ,J_____~ f/vl 


"^^vr V cj 


FEB 
MAR 

APR 
MAY 

JUNE 

AUG 
SEPT 
OCT 
NOV 
DEC 

FEB. 
MAR 
APR 

JUNE 
JULY 
AUG 

SEPT 
OCT 
NOV. 
DEC 

FEB 

MAR 
APR 
MAY 
JUN 
JULY 
AUG 
SEPT 
OCT. 
NOV 
DEC 
JAN 
FEB 
MAR 
APR 
MAT 
JUNE 

AUG. 
SEPT 
OCT 
NOV 
DEC 


1953 t954 1955 1956 


CHLORIDES 





QUALITY 


CHARACTERISTICS 


SAN 


JOAQUIN 


RIVER 

STATION NO 


NEAR 

27 


VERNALIS 



DEPARTMENT OF WATER RESOURCES (9S7 



100 




"^ ^^^ 


e. \ A ../^"-. — /-^==. f----^s /— 


"^V "" ^-^ ::^^.- ^-,^-— 


^ 7 '' 







TOTAL DISSOLVED SOLIDS 





t'-<- 



-:n 



HARDNESS 











' :::i?^ T7^:"7^ ^''-:rr!'^r""::::"^L:: 


^ y 






1 = 1 ! i r? 1 1 H S 1 = 1 1 1 1 i 1 1 s i s 1 ? 1 1 1 r? i h 1 s 1 = 1 1 i i i = 1 5 1 s 


1955 1954 1955 1956 


CHLORIDES 



QUALITY 


CHARACTERISTICS 


TRUCKEE 


RIVER 


NEAR 


FARAD 




STATION NO 


53 





DEPARTMENT OF WATER RESOURCES 1957 



















PLATE 17 




































A 


















L /' 


















:/!:::[ 




K ftr 


A 






fy 






L /^_/.^____J 




-—N-'i 








k. 


^S 




^_,._/^_ ^^ 


.0.^-.,, 


-,yf+- - 












■> 


\t\t 




'"^"""T 


_ J 












\il 




•1 


Vj 


\ , 










7 








V 
















V 


if 































TOTAL DISSOLVED SOLIDS 




HARDNESS 





























































n 


































































































































































































































































































i 


\ 




























1 


\ 






s 


». 


*^ 






















































^ 




\ 














^ 






Y^ 


- 




J 




\ 














s 


^ 


^ 




-> 


-s 


'<^ 




^ 


^ 


■N 


w 


-N 


^ 


^ 


^ 


•N 


^ 


^ 


s/ 


^ 


■s 


N> 
















^ 


























































































































































































































JAN 
FEB 

APR 

JUNE 
JULY 
AUG. 
SEPT 
OCT 

DEC 


FEB 
MAR 

MAY 
JUN 

JULY 
AUG 
SEPT 
OCT 
NOV 
DEC 




1953 


1954 


1955 


1956 


CHLORIDES 



QUALITY CHARACTERISTICS 

OF 

SANTA ANA RIVER NEAR MENTONE 

STATION NO 51b 



DEPAHTMENT OF WATER RESOURCES 1957 



APPENDIX A 



Sampling Station, Mineral- Analyses].yand Radio as say -.Data 






-Al- 



PLATE 18 



ki7sa5:i?EE5 




TOTAL DISSOLVED SOLIDS 



3 


I ™ ._._ L 


>ART 

1 — 
1 — 

1 


I 200 ^= =- -, ^ ^^ -.=,a^^^ ^!^ ^^S.^^V-^.^'^'' »/ 


< / ^ 


I T 


i V 


0' 1 1 ' 1 1 1 1 ' 1 1 1 1 1 i 1 1 1 1 ' 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ' 1 1 1 M M M 



HARDNESS 







r- 




































































































































































|\ 










i\ 






































































\ 












\ 






^ 


J 




\ 
















\ 












\ 






















r 


s 








^ 


/ 


A 


} 




\/ 


^ 


C 


^ 


A 




^ 


r 












"■ 






y 


V 


/ 


\ 


L 






/ 


( 


\ 




h 


s 


J 




r 


\ 












.• 
























1 
































V 


- 


y 








^ 
















































\ 










































































































































































































FEB 
MAR 
APR 
MAY 

JUNE 
JULY 
AUG 
SEPT 
OCT 
NOV 
DEC. 


FEB. 
MAR 

APR 

JUNE 
JULY 
AUG 
SEPT 
OCT. 

NOV 
DEC 


FEB. 

MAR 

APR 

MAT 

JUN 

JULY 

AUG. 

SEPT 

OCT 

NOV 

DEC 


FEB 

APR 

JUNE 
JULY 
AUG 
SEPT 
OCT, 
NOV 
DEC 


1953 


1954 


1955 


1956 


CHLORIDES 



QUALITY CHARACTERISTICS 

OF 

SANTA MARGARITA RIVER NEAR FALLBROOK 

STATION NO. 51c 



DEPARTMENT OF WATER RESOURCES 1957 



TABLE OF CONTENTS 
Sampling Station Data 



Table Noo 



1 North Coastal Region„ ,«.,...,,,.,, .o .,<... o.. <, A-$ 

2 San Francisco Bay Region. , . , » „ „ , o ., » <, » o o o o « o » A-I3 

3 Central Coastal Region, „„ „„o <,.<.«<. o 000 o o . o » o A-l5 
U Los Angeles Region, »«o.oco = oooooooooo«<.o. A-21 

5 Central Valley Region . „ „ „ , o ., o <. » . . o c <, ,. » o « =. o A-29 

6 Lahontan Region, ,, oo»oo<..o.(.<.oo«ooooo.o A-69 

7 Colorado River Basin Region .,,,„,,. o o « o ,.„„„ , A-73 

8 Santa Ana Region, , „ , « o « , , , « » . . » « <, » , o o , A-79 

9 San Diego Region, ,,,,o,,,,,,o,oo«o<.oooo, A-85 

Mineral Analyses 

10 North Coastal Region^., , , . , , , . , , » « , . « » , c o , « A-89 

11 San Francisco Bay Region» , , , , . o e o o o o » « <> « « » <. A-119 

12 Central Coastal Region, , , „ , o « « . o « o . . « » . » , . » A-127 

13 Los Angeles Region, ,,o,,,ooooooooooooo<.oo A-lIi.7 
lU Central Valley Region ,oo,..«.oco.c»o,o.o., A-173 

15 Lahontan Region ,,,oso»,»oo<.o»oooooo»o«o A<-327 

16 Colorado River Basin Region <.<.o«oo. .000,000000 A-3U1 

17 Santa Ana Regiono ooooooooooo«««ooo»ooooo A->3py 

18 San Diego Region, ooooooooooooooooooooo.. a— 3 f ( 



-A3- 



Radloassays 

Table No. 

19 North Coastal Region A-3€ 

20 San Francisco Bay Region • A-3S 

21 Central Coastal Region. A-3S 

22 Los Angeles Region A-3i 

23 Central Valley Region A-3S 

2U Lahontan Region ••..• A-UC 

25 Colorado River Basin Region • A-l|( 

26 Santa Ana Region. A-U( 

27 San Diego Region. . A-I4] 



-A4- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION Eel River near McCann 



SAMPLING PDiMT Smnmer bridge near left bank. 



STATION N" 5 REGION NO. 1 rniiMTY Humboldt 

AT RIVER MILE_44.^5 SEC.-O, T.2_ _S_ R _J_ _E_ HR&M 



SAMPLED RY BSE-Berkeley 



ANALYSIS ON PAGE _Az82_ TABLE L 



STATION Eel River at Scotia 



SAMPLING pniKiT Left bank below U<, S. Highway 101 bridge between 
Scotia and Rio Dell„ 



STATION N0._6 REGION NO. 1 rn\ f^jy Humboldt 

AT RIVER MILE 21.8 SEC. JZ_ T _3^ JL, R -i A HB&M 

SAMPLED RY BSE-Berkeley 

ANALYSIS ON PAGE A-^l TABLE 1 



-A5- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION Eel River, South Fork, near Miranda 



SAMPLING pniHT Right bank below gage six miles south of Miranda at 
Sylvandale camp grounds on U, S„ Highway 101 and 0.9 mile 

south of Rocky Glen Creek, 



STATION N" 7 REGION NO 1 COUNTY Humboldt 

AT RIVER MILE 20 SEC. JO, T.J_ _S_ R Jl^ JL, _HBM 

SAMPLED pv BSE-Berkeley _ 

ANALYSIS ON PAGE _A=93_ TABLE _1 



STATION Klama th River near Gopco 



SAMPLING pniMT Right bank at USGS gaging station one mile south of — 

Copco post of f ice , one-half mile downstream from Copco No. 2 

plant of the California-Oregon Power Company and 500 feet 



downstream from Fall Creek, 



STATION NO. 



-REGION NO. __J COUNTY SiskiyoU 



AT RIVER MILE ^.20 SEC. _^ T _4B J_ R _5 H MDESctL 

SAMPLED RY Department of Fish and Game 

ANALYSIS ON PAP.F A-95 TABLE 1 



-a6- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION Klamath River near Klamath 



SAMPLING POINT Right bank at USGS gage located 5„7 miles upstream 

from tovm of Klamath, 



STATION Kin 3 REGION NO 1 COUNTY Del Norte 

AT RIVER MILE SEC.JJ, T^^ _N, R ^_ _E, HB^ 



SAMPLED Rv BSE~Berkeley 



ANALYSIS ON PAGE A-97 TABLE 1- 



STATiON Klamath River at Somesbar 



SAMPLING pniNT Left bank 100 feet dovmstream from gage 1 mile west 
of Somesbar post office and 300 feet downstream from Salmnn 



River, 



STATION NO 2 REGION NO i COUNTY SJSkiyoU 

AT RivFR Mil P 6^ SEC. —k, tJJ^ -JL, r_6 E_ H E<S M 



I 



SAMPLED RY BSE~Berkeley 



I ANALYSIS ON PAr.F A-'99 TABLE =_ 



-A7- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION 



Russian River, East Fork^near Calpella 



SAMPLING pn.KiT T.ftft. hank about 0.2 mile downstream from gage, Gage_ 



located on right bank. 5.1 miles east of U. S, Highway 101 on 
,q+.fl+.p Route No. 20. 



STATION NO. 



-REGION NO. 



AT RIVER MILE- 



S' 



SEC. 11. tJ^^N, rJ=2_ 



W 



.COUNTY Mendocino 

MDBM 



SAMPLED BY- 



BSE-Berkeley 



ANALYSIS ON PAGE A-101 TABLE 



STATION Russian River, East Forks, at Potter Valley Power Housp 
SAMPLING pniMT Tailrace of pg^ powerhouse, 3 miles northeast of 
town of Potter Valley, 



STATION NO. 



10a 



_REGION NO. 



AT RIVER MILE. 



SEC. 



17 _N_ R. 



n 



__ COUNTY Mendocino 

W MDB&M 



SAMPLED RY BSE-Berkeley 



ANALYSIS ON PAGE. 



A-103 



TABLE 



-A8- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION RussicUi River at Gueme^rille 



SAMPLING POINT Right bank below highway bridge in Guerneville , 
60 5 miles upstream from Austin Creek, 



STATION NO IQ REGION NO 1 COUNTY Sonoma 

AT RIVER MILE^J SEC.-ii, T_J_ J, R J^ _W, MDB&M 

SAMPLED BY RSE^Rerkeley 



I ANALYSIS ON PAGE ^-^Q5 TABLE 1. 



STATION Russian River near Healdsburg 



SAMPLING POINT I^ft bank below gage, 2 miles east of Healdsburg and 
3o5 miles upstream from Dry Creeko 



STATION NO 9 REGION NO i COUNTY Sonoma 

ATBivPPMiiP 35.6 SEC.^ T_9_ JL^ R^ W MDB&M 

SAMPLED RY BSE-Berkeley 



ANALYSIS ON 



PAr,P A-IO7 TABLE L 



-A9- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION Russian River near Hopland 



SAMPLING pniMT Right bank below gage of abandoned bridg f^ ()„^ milft off 
U. So Highway 101 on Largo Road and 3.8 miles north of 



Hopland . 



STATION N0.__8a REGION NO i COUNTY Mendocino 

AT RIVER MILE_8i^7_ SEC.^6, T^14 JL^ R .J^ _H_ MDB&M 

SAMPLED BY BSE-Berkeley 



ANALYSIS ON PAGE ^-^0? TABLE 



STATION Russian River near Ukiah 



SAMPLING POINT Left bsink upstream from Talmadge Road Bridge about 1 
mile southeast of Ukiah „ 



STATION Kin IQb REGION NO. 1 roiJNTY Mendocino 

ATRIVERMILE SEC. _28 j J^ JL. R .J^ -4 MDB&M 

SAMPLED BY BSE°-Berkeley 

ANALYSIS ON PAGE_Azlll_ TARI F 1 



-AlO- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION Smith River near Crescem: City 



SAMPLING pniNT From left bank belov gage, 8 miles east of Crescent Cdty 
and Go 5 mile dovmstream from South Fork, 



STATION NO 3a REGION NO. 1 rniiNTY Del Norte 

AT RIVER MILE^^Z SEC.^A T_M _Nu R -J=- -E, HP^ 

SAMPLED RY BSE^Berkeley 

ANALYSIS ON PAGE A -1 13 TABLE 1 



STATION Trinity River near Hocpa 



i SAMPLING pniNT From left bank near gage located 2 miles southeast of 

Hoopa and Qo5 mile downstream from Campbell Creek on Hoopa 

Indian Reservation and on property of Sugar Pine Lumber 



CQmp a i ry o 



STATION N0.__4 REGION NO. 1 COUNTY Hvmboldt 

ATRIVFPMII F 15„^ SEC. _3JL T_B II, R-5- -E., UBM 

SAMPLED RY BSE=Berkeley 



ANALYSIS ON PAr;F A-115 TABLE 



-All- 



TABLE I 

SAMPLING STATION DATA 
NORTH COASTAL REGION 



STATION Trinity River at Levdston 



SAMPLING pn|MT From left bank below gage at highway bridge at 
Lewi st on, 0o8 mile downstream from Deadwood Creek. 



STATION Kin 4a REGION NO 1^ COUNTY Trinity 

AT RIVER MILE_102 jEcJ^ T^IJ^ R _8_ _«. MDB&M 

SAMPLED RY BSE-Berkeley 



ANALYSIS ON 



PAr.p A-ll? TABLE 1_ 



-A12- 



TABLE 2 

SAMPLING STATION DATA 
SAN FRANCISCO BAY REGION 



STATION 



Alameda Creek near Niles 



SAMPLING pniNT Right bank at concrete control near gage located o„2 
mile dovmstream from railroad bndge and lo2 miles northeast 

of NileSo 



STATION NO. 



73 



AT RIVER MILE L 



-REGION NO. 



SEC. 



T_^ 



SAMPLED Rv DWR°Saoramento 



W 



-COUNTY. 

MDB&M 



Alameda 



ANALYSIS ON PAr.pA-ll? TABLE i- 



STATION 



Coyote Creek near Madrone 



SAMPLING pniMT Right bank at- gage 0o2 mile downatream from county 
road bridge and 2<,8 miles northeast of Madroneo 



STATION N0._ 



.az. 



AT RIVER MILE. 



SEC. 



J^EGION NO. 

9 S , 



COUNTY Santa Clara 

E MDB&M 



SAMPLED RY DWR°.Sacra.tiien:.-.o 



ANALYSIS ON PAr.F A-121 TABLE 



-A13- 



TABLE 2 

SAMPLING STATION DATA 
SAN FRANCISCO BAY REGION 



STATION Los Gatos Creek at Los Gatos 



SAMPLING pniMT Sampled from left b ank at foot of gage about Q„75 mile 

upstream from Los Gatos and 0„2$ mile do-wnstream from Lexington 

Dam, 



STATION Mn 74 REGION NO § COUNTY Santa Clara 

AT RIVER MIL E_liL>^ SEC._22, T-S- _S^ R _J^ _iL, Wmi 

SAMPLED nv DWR-Sacramento 

ANALYSIS ON PAGE^-^^g TABLE i 



STATION Napa River near St„ Helena 



SAMPLING pniMT At bridge which is located 1.3 miles northeast of Highwa y 
128 on Zinfandel Lane and 2„5 miles east of St, Helena. Gage 



located 0.2 mile upstream from bridge. 



STATION NO Z2 REGION NO. 2 rniiKiTY Napa 

AT RIVER MILE SEC. .JX T _§_ Ji_ rJ W MDB&M 

SAMPLED BY DWR-Sacramento 



ANALYSIS ON PAr.F A-125 TABLE -2. 



-Al4- 



TABLE 3 

SAMPLING STATION DATA 
CENTRAL COASTAL REGION 



STATION Cannel River near Carmel 



SAMPLING pniKJT rignt bank about 30 feet below Rancho Sar. Carios bridg'? 
about 3 miles east of Cannel , 



STATION NO. 



M. 



-REGION NO. 



SEC- 



AT RIVER MILE 

SAMPLED RY DWR"Sag rament-o 



, T_IL _§_ R 



1 rniiKiTY Monterey 

1, MIiB&M 



ANALYSIS ON PAGE A-12 7tari F 



STATION Pajaro River near Chittenden 



SAMPLING pniKiT right bank at High>my bridge on Cnlttendeu Road at Santa 
Cruz=San Benito Co-jsty liae^ 1 mile southeast of 



Chittenden and <o5 miie'< downgtreaai frcm San Benito River, 



STATION NO. 



77 



.REGION NO. 



^ COUNTY Santa Cruz 



SEC. 



AT RIVER MILE 

SAMPLED RY DWR-Sacrameo'..; 



i, R. 



MDB&M 



. ANALYSIS ON PAr,F A-129 TABLE 



-A15- 



TABLE 3 

SAMPLING STATION DATA 
CENTRAL COASTAL REGION 



STATION San Lorenzo River at Rig Trees (near Felton) 

SAMPLING pniKiT ^t Sequoia Gardens Resort on right bank 1,7 mileg south 

of Felton West of State Highway 9o 



STATION NO "l^ REGION NO 2 COUNTY Santa Cruz 

AT RIVER MILE 6,5 sEC.Ji, T^ A, R _^ JL _J^M 



SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAGE A-1.31 TABLE 



STATION Saliaas River near Spreckles 



SAMPLING pniMT from right bank at USGS gaging station located four 

miles somth of Salinas,, two miles west of Spreckles and 

80' upstream from Soigth Salinas-Monterey Highway bridge, 



STATION Mn h3^ REGION NO ^ COUNTY Monterey 

AT pivFi? Ml. F 12„5 SEC. _8_ T_1S _S_ R_J El MDB&M 

SAMPLED BY BSE-Berkeley 

ANALYSIS ON PAGF A-133 taBLE 3 



* No report since December, 1955, 



-Al6- 



STATION 



TABLE 3 

SAMPLING STATION DATA 
CENTRAL COASTAL REGION 



Salinas River at Paso Rcbles 



SAMPLING POINT from left bank just upstream from USGS gage on State 

Highway 41 bridge at Paso Robles, 3.5 mile upstream 

from Huerhuero Creek, 



STATION NO.- 



Jt2a. 



-REGION NO. 



121/ 



SEC. 



AT RIVER MILE 

SAMPLED RY BSE-Santa Barbara 



33 T_£2 S 



i;: E 



rniiNTY San Luis Obis po 
MDB&M 



ANALYSIS ON PAGE A-134 TABLE 



STATION Santa Ynez River below Gibraltar Dam 



SAMPLING pniMT from left bank at USGS gage 700 feet downstream from 
Gibraltar Dam and 7 miles north of Santa Barbara c 



STATION NO 44"' 



AT RIVER MILE _20±5 SEC. Ji2, 

SAMPLED RY BSE-Santa Barbara 



-REGION NO. 

5 N 



27 W 



COUNTY Santa Barbara 

SBB&M 



ANALYSIS ON PAGE- 



A-136 



TABLE 



3 



* Discontinued in March, 1956. 



-A17- 



TABLE 3 

SAMPLING STATION DATA 
CENTRAL COASTAL REGION 



STATION Santa Ynez River below Los Laurelas Canyon 



SAMP' iMf'- pniMT from left bank at US GS gage located 0.1 mile dow nstream 
from Los Laureles Canyon and 13 miles east of Santa Ynez. 



STATION nn ^^ REGION NO 2 COUNTY Santa Barbara 

AT RIVER MILE_51 SEC.i_ T J_ JL R ^i JU 3BB&M 



SAMPLED RY BSE-Santa Barbara 



ANALYSIS ON 



PAf^F A-138 TABLE 2_ 



STATION 


Santa Ynez 


River at Solvang 












SAMPLING 


POINT- 


from ] 


right bank near USGS 


gage 


at 


Mi 


.ssion 


Bridge 




25 feet downstream from Alisal 


Creek 


and 0, 


.9 mile 






south 


of Solvang, 

















STATION NO WySi REGION NO. 3 rniiNTY Santa Barbara 

ATRIVFRMIIF 35 SEC. .^ T _6_ JL, R ^1 _", ^BB&M 

SAMPLED RY BSE^anta Barbara 

ANALYSIS ON PAP.F A-140 JABLE 3 



A- 18- 



TABLE 3 

SAMPLING STATION DATA 
CENTRAL COASTAL REGION 



STATION Soquel Creek at Soquel 



SAMPLING PnrKiT f^-^m left bank at foot of gage, 0,25 mile upstream 
from bridge on Old Santa Cruz Highway. 



STATION NO. 



tk 



-REGION NO. 



.COUNTY, 



Santa Cruz 



AT RIVER MILE- 



^_oJs_ 



SEC. 



T^^ 






W 



MDB&M 



SAMPLED BY_ 



DWR=Sa c rame nt C' 



ANALYSIS ON PAGE A- 142 TABLE 



STATION Uvas Creek near Morg;:^" HjTjl 



SAMPLING POINT ^^OJ" right bank at foot of gage, 500 feet upstream 
from Uvag Dam^ Oo6 mile downstream from Eastman Canyon 



and /to 8 miles sou fclr*->??t of Morgan Hill. 



STATION N0._ 



96 



.REGION NO. 



AT RIVER MILE 



SEC. IE., tJJL 



— COUNTY Santa Clara 
E MDB&M 



SAMPLED RY DWR'-Sacramen-''. 



ANALYSIS ON PAfiF A -144 TABLE 



-A19- 



TABLE 4 

SAMPLING STATION DATA 
LOS ANGELES REGION 



STATION Los Angeles River at Los Angeles 



SAMPLING pniKiT USGS and LACFCD gaging station at Figueroa Street 
bridge, 0,1 mile u-.)stream from Arroyo Seco confluence. 



STATION NO kl REGION NO 4 COUNTY L03 AngeleS 

AT RIVER MILE Zk SEC.J^ T^L _^ R .JJ. .JU SBB&M 



SAMPLED RY LAPH and DWR. Los Angeles (May and September) 

ANALYSIS ON PAGE -AzlAZ- TABLE _4 



STATION Los Angeles River at Long Beach 



SAMPLING pniNT Highway 101 (State Strest) Bridgej, sampled from 

left bank just dovmstream from bridge, LACFCD gage at 



Wardlow Ave. 2 mile upstream. 



STATION Nn 48 REGION NO L COUNTY Los Angeles 

AT RiVFR MM F 1-B SEC. ^4 T ^^ _S_ R _11 W^ SBB&M 



SAMPLED RY LBEH. and DWR, Los Angeles (May and September) 

ANALYSIS ON PAGEJk:i49_ TABLE k 



-A21- 



TABLE 4 

SAMPLING STATION DATA 
LOS ANGELES REGION 



STATION Matili.la Creek above Matili.ia Dam 



SAMPLING pnjNT left bank at USGS Gaging Station 1.7 miles northwest 
of Matilija and 2 miles upstream from Matili.ia Dam. 



STATION NO- 



45b 



2.5 



-REGION NO. 



.COUNTY Ventura 



AT RIVER MILE- 
SAMPLED RY BSEaSanta Barbara 



SEC.^La T_i__N_ R_21_ii, 



_3BBSsK. 



ANALYSIS ON PAGE 



A-151 TABLE ^k. 



STATION Metropolitan Water District Aqueduct at La Verne 
SAMPLING pnjKiT Raw water inflow to Metropolitan Water District 
Treatment Plant (monthly composite sample) 



STATION NO.. 



M. 



AT RIVER MILE 



SAMPLED RY MWD 



SEC. 



REGION NO. __A___ COUNTY los Angeles 

_6, T_J^ _S_ R_2 W. SBB&M 



ANALYSIS ON PAHF A-153 TABLE 



-A22- 



TABLE 4 

SAMPLING STATION DATA 
LOS ANGELES REGION 



STATION Mission Creek at Whl-fctiey Narrows 



SAMPLING POINT- 



2 miles northeast of Montebeiio at LACFCD gaging 



station 200 yards upstream from San Gabriel Boulevard 
bridge. Sampled from right bank at ffigeo 



STATION NO. 



4Qa 



SEC._A, T. 



AT RIVER MILE L»2 

DWR=L<&s Angeles 



SAMPLED BY. 



-REGION NO. 

c „ 1 



A rniiKiTY L&s Angeles 

W SBB&M 



ANALYSIS ON PAGE A-1^ ^ TABLE 



STATION MonG=Qw<?.ns Aquedvit^t rtmy San Fftmanfir. 



SAMPLING pniKiT ^t inlet to Upper San Fernando Reservoir 



STATION NO. 



70 



.REGION NO. 



AT PIVFP Mil F Aqueduct «;Fr 30 T. 
SAMPLED BY LADWI 



X, R_15_ 



— COUNTY Lq3 Angeles 
W SBB&M 



ANALYSIS ON PAGE_Azi57_ TABLE 



-A23- 



STATION 



TABLE 4 

SAMPLING STATION DATA 
LOS ANGELES REGION 



Rio Hondo at Whittier Narrows 



SAMPLING pniNT right bank, 125 yards upstream from San Gabriel 
Boulevard bridge. Sampled at LACFCD gaging station. 



STATION NO. 



49 



AT RIVER MILE. 



3^1- 



REGION NO. _ 

SEC 6^ T_2 S, R 11 



W 



rni]NTY Los Angeles 
SBB&M 



SAMPLED RY DWR-Los Angeles 



ANALYSIS ON PAGE ^~^^9 TABLE L- 



STATION 



San Gabriel River at Whittier Narrows 



SAMPLING POINT- 



from right bank 200 feet beyond end of San Gabriel 



Boulevard extended (Syphon Road) upstream from Whittier 
Narrows Damo 



STATION NO. 



50 



AT RIVER MILE 

SAMPLED RY DWR-Los Angeles 



REGION NO. _ 

!».? ' SEC._i^ T_2 S R 



4 COUNTY Los Angeles 

W SBB&M 



11 



ANALYSIS ON PAGF A-161 jy^gLE 



-A24- 



TABLE 4 

SAMPLING STATION DATA 
LOS ANGELES REGION 



STATION San Gabriel River nea? Aztiisa 



SAMPLING pnmx at USGS gaging fetation 3 miles northeast of Azusa^, 1 mile 
below Morri? Danic Sampled from light bank at gage. 



STATION NO. 



50a 



-REGION NO. 



AT RIVER MILE. 



38 



SEC.^^ T. 



N B 10 



W 



rniiNTY L^S Angelftg 
SBB&M 



SAMPLED RY DV/R-Lr. £ An geles 



ANALYSIS ON PAGE -fiZllM TABLE 



STATION Santa Clara River at Los Angeles-^ent^ra County, line 

SAMPLING pnmx l/2 mile west of Los Angeles-Ventura County line and 1/2 

mile upstream from Ventura County ^geo Sampled from 

left bank at Ne^-hall Ranch road crossiRg. 



STATION NO.- 



M_ 



J^EGION NO. 



40 



SEC. 



AT RIVER MILE 

SAMPLED RY DWR-Los Anggj 



-, TJt. 



rniiNTY Ventura 
W SBB&M 



ANALYSIS ON PAGF A-l6$ TABLE U^ 



-A25- 



TABLE 4 

SAMPLING STATION DATA 
LOS ANGELES REGION 



STATION Santa Clara River near Santa Paula 



SAMPLING pniNT station located 1.5 miles upstream from Santa Paula 
bridge (Willard Bridge) and 100 feet north of South 



Mountain Road, Sampled from left bank. 



STATION NO 46a REGION NO. 4 COUNTY Ventura 

AT RIVER MILE 12 SEC.J^ T^_ _N, R 22^ -V^ SBP^ 

SAMPLED RY DWR=Los Angeles 



ANALYSIS ON 



PAGE ^-167 TABLE 4_ 



STATION Santa Clara River at Blue Cut 



SAMPLING pniNT 1 mile downstream from station 46 at Tapo Canyon pipe and 

road crossing and 1/2 mile downstream from Ventura County 

gaging station. Sampled downstream from road culvert » 



STATION NO 46b ; REGION NO. 4 rniiNTY Ventura 

AT RIVER MILE _19__ SEC. _2i, T ^4 ^ R JS- JL SBB&M 



SAMPLED RY DWR-Los Angeles; Sampled May and September 

ANALYSIS ON PAGF A-169 jABLE 4 



-A26- 



TABLE 4 

SAMPLING STATION DATA 
LOS ANGELES REGION 



STATION Ven tura- River near Ventura [ ] 

SAMPLING PniKiT Station lopated at USGS gage in Foster Memorial Park 



on right bank;, 5 miles north of Ventura ;, .300 feet 
downstream from highway 150 bridge. 



STATION NO 6l REGION NO 4 COUNTY Ventu 13. 

AT RIVER MILE_6^Q SEC._8_ T J_ i R ^IJ^ SBB&M 

SAMPLED RY DWR-Los Angeles 



ANALYSIS ON PAGE AziZi- TABLE 



-A27- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION American River at Sacramen .o 



SAMPLING pniNT at "H'' Street- bridge, -water stage recorder located on 
left bank on upstream side of bridge. 



STATION NO.. 



.22. 



AT RIVER MILE- 



6,5 



SEC. 



T^ 



J?EGION NO. "^ 

. iL_ R_L _JL 



-COUNTY SavTaaentQ 

MDR&M 



SAMPLED BY PWB-Sa-T r^Tnp,'-^^' 



ANALYSIS ON PAGE 



A-173 



TABLE 



STATION 



Bear Creek near Steylnson 



SAMPLING pniKJT Right bank U.'^ miles southeast of Ste^rinson at washed 

out woolen bridge, 



STATION NO. 



Ill 



AT RIVER MILE 



SEC.^i. 



REGION NO 5 

T_2 S, rJ^ _e. 



COUNTY Merced 

^mB&M 



SAMPLED RY DWR-Saoramento 



ANALYSIS ON PAP.F A-175 TABLE 



-A29- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION 



Bear River near Wheatland 



SAMPLING pn|MT left, bank,, 30 feet downstream from gage located on 

downstream side of bridge on U. So Hip;hway 99E 1 mile southeast 

of Wheatland. 



STATION NO. 



JB. 



-REGION NO. 



AT RIVER MILE 10 SEC._i_, T_13 N, R _5 E_, 

SAMPLED BY DWR-Sacramento 



-COUNTY Placer 

MnmM 



ANALYSIS ON PAGE _A.:ii22 TABLE 



STATION Big Chico Creek near Chico 



SAMPLING pniKiT right bank at staff gage located one mile upstream from 

golf course clubhouse in Bidwell Park and 6 miles noj?theast 

of Chico, 



STATION NO. 



85 



J?EGION NO. 



.COUNTY 



Butte 



AT RIVER MILE 12,9 



SEC.^ T_22 _N, R_2_ 



>mB&M 



SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAtiF A-179 jABLE i. 



-A30- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Burney Creek near Burney 



SAMPLING POINT Timber bridge on Jack Raubit ^la- fioad„ 1„5 miles 
west of Burney on Highwa.y 2QQ- 



STATION NO.. 



J?EGION NO., 



-COUNTY. 



Shasta 



AT RIVER MILE. 



li_ 



SEC. JL8, T_il JL^ R _i S 



MDBSM 



SAMPLED BY DMEs;Sa£Xam£IlLi 



ANALYSIS ON PAGE AzJ.31_ TABLE 



STATION 



Butte Creek near Chi:o 



SAMPLING POINT 'J ght bank at foot of gage Q„8 mile downotream from 

Little Butte Creek and 7o5 miles east of Chicoo 



STATION NO. 



M. 



AT RIVER MILE 

SAMPLED RY DWR°Sacram3^nto 



REGION NO. _^ 

SEC. -26 T^l 



.COUNTY 



_Biiit£. 



N^ R_J_ E 



MDBSJl 



ANALYSIS ON PAGE 



A-183 



TABLE 



-A31- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Cache Creek near Capay 



SAMPLING PniMT Right bank at gage located 3 miles nort.hwftst nf n^pay 
and 2 miles upstream from Clear Lake Water Company's 



diversion dajn. 



STATION NO BQ- 



AT RIVER MILE 

SAMPLED RY DWR-Sacramento 



J?EGION NO. 



SEC._8-, T^:P^1, R^_ 



W 



-COUNTY. 

MDB&M 



Yol o 



ANALYSIS ON PAGE A- 18^ TABLE 5_ 



STATION 



Cache Creek near Lower lake 



SAMPLING POINT Left bank at foot of gage about 500 feet downstream 

from dam and about 3»5 miles southeast of State Highway 53. 



STATION NO. 



42 



J?EGION NO. 



.COUNTY 



Lake 



AT RIVER MILE 



SEC. 6 , tJ.2 Ii_, R 6 Ji, 



_mBML 



SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAGE 



A-J-Q7 TABLE _5. 



-a32- 



II 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Cache Creek. North Forko near Lower Lake 



SAMPLING pniMT bridge on State Highway 20 between Wi lliams and Clear 
lake. Gage located on rJLght bank 2.7 miles northwest of 



bridge. 



STATION NO,__22 REGION NO 5 COUNTY LfiKs 



AT RIVER MILE ^nQ SEC.^i, T_I4 _Ji, R _^ _iL, WMIL 

SAMPLED BY DWR~Sacrdfflent;Q 

ANALYSIS ON PAGE _ili§2 TABLE § 



STATION Calaveras River near Jenav Lind 



SAMPLING pniMT from right, hank about ISO feet downstream from USGS 

gage. Gage located 70 feet below bridge on Milton Road^ 0.2 

mile south of Jenny Lind. 



STATION Mn l6a REGION NO. _i____ COUNTY Calaveras 

AT RIVER MILE _36J_ sBC. _27, j _3_ _N, R J:0_ ^ MDB&M 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PAGE—kllSL TABLE _j5 



-A33- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Clear Lake near Clearlake Oaks 



SAMPLING pn.kiT at r.nrdv»s Fis h Harhnr Motel at Glen Haven. 3o6 miles 
northwest of Clearlake OakSo 



STATION N0.__4Q REGION NO 5 COUNTY I^^e 

AT RIVER MILE SEC..22, T^4 JL, R _§_ _W MDB&M 



SAMPLED av DWR-Sacramento 



ANALYSIS ON PAGE l^-^^?> TABLE 



STATION Clear Lake at Lakeport 



SAMPLING pniMT end of pier at foot of 3rd Street at North end of park, 
Staff gage located on piling at end of piero 



STATION NO, y^ REGION NO 5 COUNTY Lake 

AT RIVER MILE SEC. Jik, T _1L ^tL, R _1Q Jl, MDB&M 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PAftF A-195 TABLE ^ 



-A34- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Colusa Trough near Colusa 



SAMPLING pniKiT Colusa-Williams highway bridge,, 3 miles west of Colusa. 
Water stage recorder on upstream side of bridg e. 



STATION NO. 



87 



-REGION NO. 



AT RIVER MILE- 



SEC. J4^ T-JA li R _2_ 



^ 



rniiNTY Colusa 
_MDB§(M 



SAMPLED BY DlfllR°Sacramento 



ANALYSIS ON PAGE A-l?? TABLE 5_ 



STATION Cosumnes River near Michigan Bar 

SAMPLING POINT Michigan Bar road bridge about 1 mile north of Michigan 



Bar. 



STATION NO. 



9L 



5_ 



AT RIVER MILE 

SAMPLED RY DWR-Sacramento 



REGION NO. 

SEC._i6 T_8 N^ R.^ 



.COUNTY 



Sacramento 



E 



MDB&M 



ANALYSIS ON PAGE 



A-199 



TABLE 



-A35- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Cottonwood Creek near Cottonwood 



SAMPLING pnjKiT Right bank at gage house located 2 miles east of 
G ot t onwood „ , 



STATION N0.__— i^b REGION NO 5 COUNTY Shasta^ 

AT RIVER MILE 2„5 SEC.JZ_ 1^23.-^ R -J_ Jl. MDB&M 

SAMPLED BY DWR°Sac ramento 

ANALYSIS ON PAGE A-201 TABLE § 



STATION 


Deer 


Creek 


near 


Vina 




SAMPLING POINT 


Left 


bank 


under U, 


So Highway 99E bridge 1 mile 




north 


of Vina„ 


DWR sage 


located approximately 400" 




downstream : 


from 


99E bridge on left bank. 







STATION NO Si REGION NO. '^ COUNTY Tehama 

AT RIVER MILE SEC. O^L, T _2L Jl, R ^ W MDB&M 



SAMPLED RY DWR-Sac ramento 



ANALYSIS ON PAGE A-203 TABLE 



-A3 6- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Delta-Cross Charmel nsAr Wa'nnt. arovp. 



SAMPLING PcitKiT left bank 0«2 mile downstream froia gates when gates are 
open and from highway bridge when gates are closed. 



STATION MO 98 REGION NO. 5 rniiKiTY Sacramento 

AT RIVER MILE SEC.-il, J—L-Jl, R Ji E, MDR&M 

SAMPLED BY nWR-Sa.-'.raniPnt n 

ANALYSIS ON PAGE ^"^Q^ TABLE :: 



STATION Delta-Mendota Canal n e ar jMendota 



SAMPLING pniMT right bank one mile upstream from canal gates and 
2 miles north of Mendota on Bass Road. 



STATION Mn 92 REGION NO 5 COUNTY Fresno 

AT RIVER MILE SEC. _i2, T JJ ^ R JJ £, MDBS^ 

SAMPLED BY DWR-Saoramento 

ANALYSIS ON PAGE_4-207_ TABLE S 



A-37- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Dftlt.A- MpnHnt.a Canal neaj Tracy 



SAMPLING pnjMT Left bank downstream from Byron-Bethany road c ross- 

overcabout 1 mile from Tracv Pumping Plant, about 10 mi Irs 

northwest of Tracy. 



STATION Kin 93 REGION NO. 5 COUNTY_Contra Co sta 

AT RIVER MILE SEC.^0, T J^ _§_ R _4 E. MP&^ 

SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAGE A~209 TABLE 



STATION Feather River at Micnlaiis 



SAMPLING pniMT Left bq^nk at gage located 0„5 miles downstream from 
highway bridge at Nicolaus.. 



STATION NO 20 REGION NO. 5' COUNTY Sutter 

AT RIVER MILE %Ji SEC. -12, T _JU2 —H, R _3 E, MQBScM 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PAP.F A-211 TABLE -^ 



-A3 8- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION 


Feather River near Orovi?.le 






sAMPi iNr. POINT left bank at gaee locatec 


'75 feet upstream from bridge 




on Feather River Highw^ (S;ate 


Highway 24 )« two 


miles dowi- 




stream from confluence of North 


and Middle Forks 


and 4 miles 


northeast of Oroville, 





STATION NO 12 REGION NO. '^ rniiKJTY Butte 

AT RIVER MILE 71nQ SEC.^2_, T J^ JL, R —L —El, MDR^M 



SAMPLED RY DWR°Sacramento 



ANALYSIS ON PAGE Ar212_ TABLE 



STATION Honcut Creek. South, near Bang or 



i SAMPLING POINT Right bank at foot of gage located 100 feet upstream 

from Brov m' s Valley-Bangor road bridge and 2, 3 miles 

southeast of Bangoro 



STATION NO 20 REGION NO 5_ COUNTY Butte 



AT RIVER MILE SEC. _Ji, T _18 _Ji, R _5_ ^ MDR&M 

SAMPLED BY DWR-Sacramento 

ANALYSIS ON PAP.F A-215 TABLE ^ 



A-39- 



STATION 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



Indian Creek near Crescent Mills 



SAMPLING pniMT at bridge about 1 mile above gage wnich is located 0o8 

mile upstream from Dixie Creek and lo5 miles south of tovm 

of Crescent Mills, 



STATION NO.. 



17d 



J?EGION NO. 



AT RIVER MILE. 
SAMPLED BY 



SEC. 25^ T_26_N, R J_ 



DWR-Sacramento 



.COUNTY. 



Pliomas 



MDB&M 



ANALYSIS ON PAGE 



A^217 



TABLE 



STATION 



Indian Slough near Brentwood 



SAMPLING pniMT East Contra Costa Irrigation District canal at the 

District's Pump No, 1 on Bixler Road at the head of Indian 
Slough, 3 miles north of Byron, 



STATION NO.- 



107 



AT RIVER MILE 

SAMPLED RY DWR-Sacramento 



_REGION NO. 



.COUNTY 



Contra Costa 



SBC. 22 ^ T _^ N_, R _i E 



MDB&M 



ANALYSIS ON PAGE_^__^i5. TABLE 



A- 40- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Italiein Slough near Mouth 



SAMPLING POINT Boat landing on right bark at coaflueng'^ of slough and 

Old River about 3 miles southeast of Byron. 



STATION NO 1Q6 REGION NO. 5 rniiNTY Contra Costa 

AT RIVER MILE lA SEC.JZ_ tJ^ 3 rA 1, MDB&M 

SAMPLED BY DMR-Sac rament o 

ANALYSIS ON PAGE A-221 TABLE 2 



STATION Kaweah River near Three Rivers 



SAMPLING pnmx Left, bank at gage located 2.5 miles downstream from 

South Fork and 3 miles southwest of Three Rivers on Highway 

198 approximately Oc5 mile past Cobbles Lodge. . 



STATION Nn 35 REGION NO 5 COUNTY Tulare 

ATRIVERMILE SEC. JJ_ T J^ ^^ R ^8 _E MDB&M 



SAMPLED BY DWR-SacramenT o 



ANALYSIS ON PAr.F A-223 TABLE 



ii-41- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Kern Rivqr near Bakersfield 



SAMPLING POINT- 



Diversion weir located at mouth of lower canyon five 



miles northeast of Bakersfield, 



STATION NO. 



J6. 



-REGION NO. 



-COUNTY. 



Kern 



AT RIVER MILE 

SAMPLED RY DWR-^Sacramento 



SEC._2_ T_2a — S, R _28 _E_ 



WBrn 



ANALYSIS ON PAGE 



A- 22 5 



TABLE 



STATION 



Kern River below Isabella Dam 



SAMPLING pniMT Right bank. 500 feet downstream from outfall tunnelo 



STATION NO. 



36a 



-REGION NO. 



.COUNTY 



Kern 



SEC. 



AT RIVER MILE 

sAMPi FH RY Corp ol En gineers 

ANALYSIS ON PAGf A-227 TABLE i 



12, T_26 _s, R Jl. 



E 



MDB&M 



A- 42- 



TABLES 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Kern River neai Kernville 



SAMPLING pniKiT At gage 3 miles upstream, from Salmon Creek and 15 miles 
north of Kernville. 



STATION NO.- 



36b REGION NO. 5 COUNTY Kern 



AT RIVER MILE SEC.^4 T_23 ^ R ^23- -E_^ m ? m 

SAMPLED RY Corps of Engineers 

ANALYSIS ON PAGE A-229 TABLE 5 



STATION Kings River below North Fork 



SAMPLING POINT from bridge at midstream 0.8 mile dovmstream from 
North Forko 



STATION ND 33c REGION NO 5 COUNTY Fresno 

AT RIVER MILE SEC. _21, T _12 _^ R -26 E, MDWM 

SAMPLED RY Corp of Engineers 

ANA! YSIS nKJ PAP.F A-231 TABLE 5 



A-43- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Kings Ri vf-r hftlow Peoples Weir (near Kingsbtirg) 

SAMPLING pn|MT at ^age on left bank about 1/4 mile dovmstream from 

diversion weir, 2 miles south of Kingsburg and 12 miles 

northeast of Hanford, 



STATION NO 2^t REGION NO 5 COUNTY Kings 

AT RIVER MILE 11 SEC._L. T^J _S, R _22 ^^ WBm 

SAMPLED BY DWR-Sac rament o 

ANALYSIS ON PAGE .ji=221 TABLE — 5 



STATION Kings River below Pine Flat Dam 



SAMPLING PniKiT Left hank,. "^000 feet downstream from thfi tlanir 



STATION NO 12i REGION NO. _^ COUNTY Fresno 

AT RIVER MILE SEC. JL, T J-I _S^ R -2^ ^ MDB&M 

SAMPLED RY Corps of Engineers 

ANALYSIS ON PAP.F A- 23 5 jaBLE 5 



-A44- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Kings River above North Fork 



SAMPLING pniMT at bridge about 3/4 mile downstream from gage located on 

left bank one mile upstream from North Fork and 10 miles south- 

east of Trimmer^ Discontinued in September 1955o 



STATION NO 12 REGION NO 5 COUNTY FresnO 

AT RIVER MILE 1^0 SEC.-i^ T.^ ^ R ^i ^ MDB&M 

SAMPLED RY DWR°Sacramento 

ANALYSIS ON PAGE ^-^37 TABLE S 



STATION Kings River at Piedra 



SAMPLING pniKJT at damaged high"way bridge about 1/2 mile upstream 

from gage located on left bank two miles downstream from 

Mill Creek and 12 miles northeast of Sanger, Discontinued 

in September 1955 o 

STATION NO 12a REGION NO 5 COUNTY Fresno 

AT RIVER MILE _1QQ__ SEC. _8^ T JJ S, R ^2L _E MDB&M 



SAMPLED RY DWR-Sa?ramento 



ANALYSIS ON PAr.F A-238 TABLE 



-A45- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Lindsey Slough near Rio Vista 



SAMPLING pniMT from boat landing near gage located at Montezuma Ranch ^ 

headquarters of California Packing Corporation, six miles 

north of Rio Vista o 



STATION NO ilO REGION NO 5 COUNTY Sol,a^O 

AT RIVER MILE LU SEC._2i, T_5_ _IL, R _2_ _H_ MLLESil 

SAMPLED RY DWR^Sacramento 

ANALYSIS ON PAGE A-239 y^BLE ^ 



STATION Little Potato Slough at Terminous 



SAMPLING pniMT from boat dock on east bank approximately 2$0' feet 
north of State Highway 12 Bridge. 



STATION NO 22 REGION NO. 5 rniiNTY San Joaquin 

AT RIVER MILE SEC. JU^ T _3 U^ R -L- JL, MDMM 

SAMPLED BY DWR~-Sacramentn 

ANALYSIS ON PARF A-241 TABLE 5 



-A46- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY.REGION 

9 



STATION McCloud River above Shasta lake 



SAMPLING POINT l^^^- bank below gage located .just upstream from 
Shasta Lake, 0.3 mile dovmstream from Bollibokka C rRBk and_ 



11 miles east of Delta- Strff^ m confined in a steep rocky 

canyono Station inaccessible by road„ One and one-half hour 

walk to station „ 

STATION NO lA REGION NO 5 rniiNTY Shasta 

AT RIVER MILE SEC._28 T JjL Ji_ R _J_ _W, MDB&M 

SAMPLED BY gSE°Rgdding 

ANALYSIS ON PAGE -i^_Z^ TARI F ? 



STATION Mt'-H River below Exchequer Dam 



SAMPLING pniMT Right bank at foot of gage located at Exchequer, P»$ miles 
downstream from Lake McClure and 5 miles northeast of Merced 



Falls. 



STATION NO 32a REGION NO 5 COUNTY Mariposa 

AT RIVER MILE __i2__ SEC. 14:^3 r Jt_ J_ R -i^ _E, ^^B&M 

SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAr.F A-245 TABLE 



A-47- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Merced River near Stevinson 



SAMPLING pniMT from right Isank approximately 100 feet upstream from 
gage» Gage located 6 miles northwest of Stevinsono 



STATION nn 32 REGION NO 5 COUNTY Merced 

AT RIVER MILE 4o6 SEC._34, T_6_ _S-, R _2_ ^EU NDR&M 



SAMPLED BY DWR-SficramentQ 



ANALYSIS ON PAGE ^ ^^^ TABLE 



STATION Mill Greek nea r Los Molinos 



SAMPLING pniKiT right bank below highway 99E bridge, 1,5 mile north of 
T,os MiUnos. frage located downstream from bridge. 



STATION NO m REGION NO 5 COUNTY Tehama 

AT RIVER MILE SEC. _2^ T ^i. _IL R ^ ? MDB&M 



SAMPLED RY DMl^Sacramento 



ANALYSIS ON PAr.F A-24.9 TABLE 



A-48- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Mokelumne River near lancha Plana 



SAMPLING PDiNT I^ft bank near gage, located 1 mile east of Lancha 

Plana,, 3 miles dovmstream from Pardee Dam and 5 miles upstre am 

from Camanche Creek, 



STATION NO 23a REGION NO. _5 rniiNTY Amador 

AT RIVER MILE 52 SEC.Jl, T-A _N_ R J^ _E, MDB&M 



SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAGE A-251 TABLE 



STATION . MokeltBBiae River at Woodbridge 



SAMPLING POINT Left bank at foot of gage house located 0.4 mile 
dowistream from dam and canal intake of woodbridge 



IrrigAtion District, 



STATION NO 23 REGION NO ^5 COUNTY San Joaquin 

ATBIVFRMIIF 19.2 SEC. Jit, T k —K^ R_6_ _&, MDB&M 

SAMPLED RY DWR^acramento 



ANALYSIS ON PAGF A-253 TABLE 



A-49- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION 


Old River at 


Clifton Court 


Ferry 










SAMPLING POINT from ferrv at left bank about 10 miles 


; northwest 


of 




Tracy and 6 m: 


Lies southeast 


of 5y-ron„ 


Gage 


located 


on 


left 




bank 0„3 mile 


upstream from 


Ferry, 













STATION NO.. 



104 



-REGION NO. 



AT RIVER MILE. 



^__.i_ 



SEC._2Q, T.J^ _S^ R _^ _E^ 



SAMPLED BY DMi^Sacramento 



Contra Costa Co, line 
-COUNTY San Joaquin *• 

WBm 



ANALYSIS ON PAGE Az^^S TABLE i. 



STATION niH R-iirpr- at. ManHp-u-Jlla Tfilanfi 



SAMPLING POINT Sit right bank at northwest side of Mandeville Island . 



STATION NO. 



JJ2_ 



AT RiVgR Mil F 0,5 SEC. 

SAMPLED BY DWR-.qiflr.ra7npnt.n 



REGION NO i 

6 T^i_ N p 4 



— COUNTY San Joaquin 

E MDB&M 



ANALYSIS ON PAGF A -2 57 TABLE !_ 



-A50- 



I 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Old River at Qrwnnri Rr-irlg^ 



SAMPLING POINT Boat dock on righ t hank ar. AtChJSOn Topeka & Santa Ff. 

Rialroad bridge about 6 miles northeast of Byron „ 



San Joaquin= 
STATION NO 108 REGION NO. 5 mtiNTY Cont ra Costa Co„ line 

AT RIVER MILE 10.5 SEC.JL2, T_l^ JL, R .Ji_ ^^ MDhm 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PAGE A-2^9 TARI F " 



STATION Old River near Tracy 



SAMPLING POINT Left bank at trash rack of pump intake at end of 
T-ammera Road and about S m-iTe.'^ northwest of Tracy. 



STATION NO 103 REGION NO. 5 rniiKiTY San Joaquin. 

AT RIVER MILE _26___ SEC. -ji, 1-2 ^ R _5 S MDB&M 

SAMPLED BY DWR-Sac rament o 

ANALYSIS ON PAr.F A-261 TABLE —5. 



-A51- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION 



Pit River near Canby 



SAMPLING pn|MT about 500 feet ciov mst.rp.flni from bridge nr) II. S. Highway 

299 located about 4»5 miles aouthwest of Canby „ Water stage 

recorder located on right bank 0.5 mile upstream frombridgeo 



STATION NO. 



17a 



-REGION NO. 



AT RIVER MILE- 
SAMPLED BY 



Ul 



SEC.10, TJtl JU R_i. 



DWR-Sacramento 



rniiKiTY Modoc 



MDBM 



ANALYSIS ON PAGE 



A-263 



TABLE 



STATION Pit R iver np.ar Mnntgnmftry Creffk 



SAMPLING pniMT right bank about 125 feet upstream from gage,, located 

one mile upstream from Cow Caavon Creek and 3o5 miles west of 

town of Montgomery Creek, 



STATION NO. 



AT RIVER MILE 
SAMPLED BY 



1? 



.22. 



REGION NO. _ 

SEC. ^2, T_li _N, R 



BSE-Redding 



.COUNTY 



Shasta 



W 



MDB&M 



ANALYSIS ON PAGE. 



A-265 



TABLE 



-A52- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Piitah r.refik ns ar Winturs 



SAMPLING POINT Left hank SO fftRt, hfslow gagp 1ocat.p;d fi,2 mi Irs west 

of Winters on State Highway 128. 



STATION N0._ 



81 



AT RIVER MILE. 



REGION NO. _ 

SEC.^8 T_8_ _X R -2- 



-COUNTY- 



Yolo 



MDB&M 



SAMPLED RY DWR=Sacramento 



ANALYSIS ON PAGE 



A- 2 67 



TABLE 



STATION 



Roqk, Slough near Knight sen 



SAMPLING P01NT- 



Tule Lane bridge at head of slough 300 feet south' of 



gates of Contra Costa Canal intake and two niiles northeast of 
Knight sen. 



STATION NO. 



AD9- 



AT RIVER MILE 



REGION NO : 

SEC. _ife, T a -Ji, rJL 



COUNTY Contra Costa 



£ 



MDB&M 



SAMPLED BY DWR°.Sacramento 



ANALYSIS ON PAGE. 



A-269 



TABLE 



-A53- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Sacr amftntn River at Delta 



SAMPLING pn|MT right bank 50 feet upstream from gage, located 0.2 

mile dovmstream from Dog Greek and 0.6 mile southeast of Delta. 



STATION MH 11 REGION NO 5 COUNTY Shasta 

AT RIVER MILE 349 SEC._25, T^6 _N, R _5_ _W, MDB&M 

SAMPLED BY BSE-Redding ., 



ANALYSIS ON PAGE A-271 TABLE L 



STATION Sacrame nto River near Hamilton Gitv 



SAMPLING pniMT at Gianella Bridge on State Highway 32 between Hamilton 

City and Ghico. Sampled from each channel f rom b ridg e 

(composite of two samples). Gage on left bank on do wnstream 

sxde of bridge o ______^^_ 

STATION Nn 13 REGION NO 5 COUNTY Glenn 

AT RIVER MILE _201_ sEC. ^0 J ^2 _H ^ 1 W MDB&M 



SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAGF A-273 TABU 



-A54- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Sacramento River at Ke swJ-^^-b- 



SAMPLING pniNT From left bank about 100 feet upstream from gage 

located Oo6 mile dovmstream from Keswick Dam„ 0,6 mile 

upstream from Middle Creek o l,*^ mil p. Hnwn3trpaTn fmm Kfi'.P^vir^c 

and 10 miles dovmstream from Shasta Dam. 



STATION NO.. 



2Z. 



J^EGION NO. 



AT RIVER MILE. 



309 



SEC._i8 T^.^.^ R^. 



w 



SAMPLED RY BSE-R'edding 



-COUNTY Shasta 



MDB&M 



ANALYSIS ON PAGE 



A-275 



TABLE 



STATION Sacramento River at Knights Landing 



SAMPLING pnitJT From highway bridg?„ Water stage recor-der 0.3 mile 
downstream from bridge. Composite of two sanples. 



STATION NO.. 



2k. 



.REGION NO. 



.COUNTY 



YqIq 



AT RIVER MILE 
SAMPLED BY 



98„9 



SEC. .JiL, T_il N , R_2_ 



E 



MDB&M 



DWR-=Sacramento 



ANALYSIS ON PAP.F A-277 taBLE 1. 



-A55- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Sacramento River near Redding 



SAMPLING pn)KiT From right bank 500 feet dovmstream from gage located 
below Ander3on=Cottonwood diversion dam„ 



STATION NO.- 



"I ?a 



J?EGION NO. 



.COUNTY Shasta 



AT RIVER MILE 2Q6 

SAMPLED BY FJiSE-RedtJing 



SEC. JJ^ T^l _N_ R _k 



w 



MDB&M 



ANALYSIS ON PAGE ^"^T? TABLE 



STATION 



Sacramento River at Rio Vista 



SAMPLING pniKiT From right bank at pier at upstream side of U. So 

Department of Army installation located about 1 mile dovmstream 

from Rio Vista. Tidal gage located near administration 

b\Jildinfe about I, 500 feet downstream from sampling point „ 



STATION NO.. 



AL. 



.REGION NO. 



_L 



-COUNTY 



Solano 



AT RIVER MILE _JL4.J SEC. _2I, T k , N . R _i_ _4 

SAMPLED RY DWR-Sacramento 



MDB&M 



ANALYSIS ON PAGE_L.£^ TABLE 



.A56- 



STATION 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



Sacrsimento River at Sacramento 



SAMPLING POINT from U. S„ Highway ^.0 at Tower Bridgeo Water stage 

recorder located on left baJik Oo3 mile upstream from bridggp 

Composite of three sampleSo 



STATION NO.. 



JS. 



J?EGION NO. 



A. 



-COUNTY. 



Sacramento 



AT RIVER MILE_^2ol 
SAMPLED BY 



SEC.a-% T_2 H-, R -M^ JU 



M D T% M 



D"WR-,Sa-ram^pto 



ANALYSIS ON PAGE ^"^8.3 TABLE 



STATION 



Sacramftntn Rnv«»r at .qnrxigra.qH Slmigh 



SAMPLING POINT at gage on lef-^ hank^ 2 miles nor th of Court-land„ 



STATION NO. 



.57_ 



AT RIVER MILE. 



SAMPLED RY DWR-Sacramento 



REGION NO 5 COUNTY Sacramento 

SEC. .27_ T_6 NL, R_4 E_^ MDB&M 



ANALYSIS ON PAr.F ^-285 jaBLE 



-A57- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Sacramento Slough near Knights Landing 



SAMPLING pn|MT From pond near discharge pipes f r om pumps below gage 
located on levee near Reclamation District 1500 pimiping plajit. 



STATION NO.___ii§ REGION NO 5 rniiMTV Sutter 

AT RIVER MILE InQ SEC-SQ tJI. _Ji, R .^ _£, M2£^M 

SAMPLED RY DWR=Sacramento 

ANALYSIS ON PAGE A-287 TABLE 5 



STATION San Joaquin River at Antioch 



SAMPLING pniKiT From pier at old Antioch Water Works on Fulton Shipyard 
Roado Tidal gage located in house at end of piero 



STATION NO 28 REGION NO. 5 rniiKiTY Cont ra Onst a 

AT RIVER MILE _ik.j5 SEC. -13. T _2 N_ R _2 6 NDB&M 



SAMPLED RY DWR-^acramentc 



ANALYSIS ON PAflF A-289 TABLE 



-A58- 



tAble 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION San Joaquin River near Dos Palos 



SAMPLING POINT ^^'°^ bridge at head of Temple Slough. 6.3 miles east of 
Dos Palos o Gage located 0,7 m.ile downstream, 



STATION NO.. 



.25a. 



J?EGION NO. 



5 rniiNTY Fresno 

AT RIVER MILE 186 nQ SEC I? T-LL _S._ R _L3. _K. WnTV^M 



SAMPLED BY DWR-Sacramento 



ANALYSIS ON PAGE ^A:i291 TABLE 



STATION San Joaquin Rlvejr- at FHant 



SAMPLING pniMT from left bank 100 feet downstream from gage house 
located 0„5 mile west of Friant and 2 miles downstream 



from Friant Dam. 



STATION NO 24 REGION NO i 

AT RIVER MU F 268,13 SEC. JL, T H 

SAMPLED RY DWR-Sacramento 



S, R^iL E 



.COUNTY 



Fresno 



MDB&M 



ANALYSIS ON PAGE. 



A-293 



TABLE 



-A59- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION 



San JoaqirLn River at Garwood Bridge 



SAMPLING pniMT From boat landing on left bank near upstream side of 

bridge on Stockton-Byron Roadp Gage located at right bank 

on Brandts Bridge 5 miles upstream from Garwood bridge o 



STATION NO. 



2Q1- 



JiEGION NO. 



AT RIVER MILE. 



^2„1 SEC._i4 T J=_ JL^ R _6_ 



SAMPLED BY nWR=..qar;rampnt.n 



E. 



rniiMTY San Joaquin 
MDB&M 



ANALYSIS ON PAGE ^-2?^ TABLE 



STATION San Joaquin River near Grayson 



SAMPLING pniKiT ^^om Laird Slough bridge. Water stage recorder 
located on bridge near left bank, 



STATION NO. 



26 



REGION NO. _ 

AT BIVFR Mil F 93.6 SHr 24 T 4 S R 

SAMPLED RY DWR~Sacramento 



.COUNTY 



Stanislaus 



MDB&M 



ANALYSIS ON PAr.F A-297 TABLE 



-a60- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION San Joaquin River at Maze Road bridge 



SAMPLING POINT from boat dock on left bank, 300 feet upstream from 



Maze Road bridge (State Highway 132), at El Solyo Ranch pump 
intake. Gage on left bank approximately Oo5 mile upstream 
from bridge „ 



STATION NO.- 



26i 



REGION NO. 5 rniiNTY Stanislaus 

AT RIVER MILE BZJi±. SEC._22, T_i S^ R J K, MHR^M 

SAMPLED RY UWR-Sacramento 

ANALYSIS ON PAGE _Ar:222 TARI f 5 



STATION San Joaquin River near Mendota 



SAMPLING PniMT from left bank at foot of gage house, 2,5 miles upstream 
from Mendota Dam and 4 miles north of Mendota on Base Road , 



STATION NO. 



2^ 



.REGION NO. 



.COUNTY 



Fresno 



AT RIVFB Mil F 206o2 SEC. _Z^ T 1^ 



R_i: 



5 E 



MDB&M 



SAMPLED BY- 



DWR'^Sac ramento 



ANALYSIS ON PArtF A-301 TABLE 



-A 61- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION San Joaquj.n River at Mossdale Bridge 



SAMPLING pniMT From boat landing nn Taft hank iust downstream from 

Mossdale Bridge on U» S. Highway $0 located about 12 miles 

south of Stockton and 7 miles northeast of Tracy „ Gage 

located on right bank just downstream from bridge. 

STATION Kin 102 REGION NO. 5 rniiMTv San JoaquJ.n 

AT RIVER MILE ^6 SEC.Jl^ T^_ _^ R _^ 5 MDR&M 

SAMPLED RY DWR°^acramento 

ANALYSIS ON PAGE ^"303 jABLE § 



STATION . 


San 


Joaquin River near Vernalis 












SAMPLING 


POINT- 

north 


from D\irham Ferry Highway bridge 


loc 


ated 3„4 


miles 




east of Vernalis, 


Water stage record 


.er 


located 


on 




left 


bank on upstream 


side bridge. 

















STATION NO il REGION NO. __S COUNTY San Joaquin 

AT RIVER MILE 76n7 SEC. _JU J^ ^ R -t 5 i^BM 

SAMPLED RY DWR'=Sacramento 

ANALYSIS ON PARF A-305 jABLE 5 



-a62- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Stanislaus River near Knights Ferry 



SAMPLING POINT left bank, tunnel intake, above construction of 
Tulloch Dam„ 



STATION NO.. 



29a 



-REGION NO. 



rniiNTY Tuolumne 



AT RIVER MILE- 



SEC._1_ T_]^ _a, R JJ_ _!., 



MDB&M 



SAMPLED RY DWR-Sacramento 



ANALYSIS ON PAGE 



A-307 



TABLE 



STATION Stanislaus River near Mouth 



SAMPLING pniKiT from right bank at foot of gage house, 
above the mouth » 



2,9 miles 



STATION NO. 



_22_ 



-REGION NO. 



^ 



-COUNTY San Joaquin 



ATPivFPMi. P 3„5 SEC._12, T_3_ _S_ rJZ E. MDB&M 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PAGE_^il308_ TABLE 5 



-a63- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Stockton Ship Channel on Rindge Island 



SAMPLING pniMT From boat landing on right bank of ship channel at south - 
east corner of Rindge Tract near jmiction of Fourteen Mile Sloug h. 



STATION N0.___1QQ REGION NO. 5 COUNTY San Joaquin 

AT RIVER MILE__2^ SEC._27 T—Z Ji^ R _5_ -E_ MliMM 

SAMPLED BY DWR-SacrameiitQ 

ANALYSIS ON PAGE ^~3^Q TABLE 5 



STATION Stony Creek near Hamilton City 



SAMPLING pniMT From right bank at gage located 2.$ miles southwest 
of Hamilton City and 8 miles of Orland. 



STATION NO 13a REGION NO. _1____ COUNTY Glenn 

ATPivFPUiiP A,0 SBC._J6 T.^ Ji, R^^ W MDB&M 

SAMPLED Rv DVIR-Sacramento 

ANALYSIS ON PAr.F A-312 jy^gLE 5 



-A64- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Tule River near Port.ervllle 



SAMPLING pniNT from County road br idge„ 0.1 mile upstream from South 
^ork and 6 miles east of Portervilleo Water stage recorder 



on dovmstream side of bridge across from Rartlett Park„ 



STATION N0._ 



J31. 



J^EGION NO. 



AT RIVER MILE. 



SEC._2i, T_21 _^ R _28 JU 



SAMPLED BY DWB-°Sacrajiiento 



-COUNTY Tulare 



MDB&M 



ANALYSIS ON PAGE ^ ^-^^ TABLE 



STATION Tuolumne River below Don Pedro Dam 



SAMPLING PDiNT left bankj l/'k mile dovmstream from dam. 



STATION Mn 31a 



AT RIVER MILE 50 

SAMPLED BY DWR-=Sacramento 



SEC. 3 , T _2_ 



_REGI0N NO. 5 COUNTY Tuolumne 

.5_ rJ4_ _K, MDB&M 



ANALYSIS ON PAGE. 



A-316 



TABLE 



-A65- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Tuolviinne River at Hickinan=Waterford Bridge 

SAMPLING pniMT From Hickman-Waterford Bridge, about 1 mile north of 

Hickman, Water stage recorder is located on the dovmstream 

side of bridge. 



STATION Mn 30 REGION NO. _J rniiMTV Stanislaus 

AT RIVER MILE__2JL2 SEC.J4-, T_jL _2^ R Ji _JL, MTIR^M 



SAMPLED BY DWR^Sacram<»ntn 



ANALYSIS ON 



PARF A-318 TABLE _i. 



STATION Tuolumne River at L a Qrang e 



SAMPLING pniKiT Sampled from highway bridge at La Grange. 
Discontinued JuJy^, 1956. 



STATION NO lib REGION NO. 5 rniiNTY Stanislaus 

AT RIVER MILE SEC. _2Q, T _3_ _S_ R ^k. _£, MDI^&M 



SAMPLED Rv DWR-Sacramento 



ANALYSIS ON PAr.F A-320 TABLE 



-A66- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION Tuolumne River at Tuolumne City 



SAMPLING PDiNT From highway bridge on Shiloh Road» Water stage 
recorder located on right bank beneath bridge. 



STATION NO. 



JL 



-REGION NO. 



.COUNTY. 



Stanislaus 



3. 3 . 5 



SEC- 



AT RIVER MILE_ 

SAMPLED RY n>p?=>ciarraTnffnTo 



, T. 



8 E 



MDB&M 



ANALYSIS ON PAGE A-322 j^blE i. 



STATION Yuba River at Marysville 



SAMPLING pniNT From center of Simpson Lane Bridge at Marysvilleo 
From November 1956 sampled .just below USGS gage on left bank 



1/4 mile downstream from Simpson Lane Bridge 



STATION NO. 



_21. 



SEC. 



18 



AT RIVER MILE ? 

SAMPLED RY DWR-Sacramento 



-REGION NO 5 



COUNTY ^^^^ 



Ai 



MDB&M 



ANALYSIS ON PAP.F A-324 XABLE 5- 



-A67- 



TABLE 5 

SAMPLING STATION DATA 
CENTRAL VALLEY REGION 



STATION 



Yuba River near Smart ville 



SAMPLING POINT- 



From right bank, one-half mile dovmstream from 



Highway 20 bridge about 5 miles below Narrows Dam and about 
4 miles below confluence of Deer Creek, 



STATION NO.. 



AT RIVER MILE. 



SAMPLED BY- 



_2ia. 



-REGION NO. 



_L 



-COUNTY Yuba. 



21. 



SEC.-lk, T_l^ _JiU R -6- ^^ 



MDB&M 



ntJRo-.Sam-anK'ntr) 



ANALYSIS ON PAGE ^"^^^ TABLE 



-A68- 



TABLE 6 

SAMPLING STATION DATA 
LAHONTAN REGION 



STATION 



Lake Tahoe at Tahoe Vista 



SAMPLING pniKiT from pieryO,! mile west of Tahoe Vista and eight 
miles northeast of Tahoe City. 



STATION NO. 



37 



J^EGION NO. 



AT RIVER MILE 

SAMPLED RY DWR°SacramentQ 



SEC. JA, T Ji JL R 12- i 



.COUNTY. 

MDB&M 



Placer 



ANALYSIS ON PAGE 



A-327 



TABLE 



STATION Lake Tahoe at Tahoe City 



SAMPLING pniKiT upstream from control gates of Truckee River upstream 
from State Highway 89° 



STATION NO. 



38 



AT RIVER MILE 
SAMPLED BY 



SEC. —L. 



REGION NO. 

N 



.COUNTY 



Placer 



- c 
T_tZ 



Rji 



E 



MDB&M 



DWR-Sac ramento 



ANALYSIS ON PAGE 



A-329 



TABLE 



-A69- 



TABLE 6 

SAMPLING STATION DATA 
LAHONTAN REGION 



STATION Lake Tahoe at Bljo^i 



SAMPLING pniKiT from Connolly's Resort pier at Bi.iott 



STATION NO.- 



AT RIVER MILE- 
SAMPLED BY 



39 



-REGION NO. 



SEC.^ T^3_N, rM. 



-COUNTY. 

MDB&M 



El Dorado 



DWR-Sac rament o 



ANALYSIS ON PAGE A-"331 TABLE 6_ 



STATtON 



Mojave River near VictorYJlle 



SAMPLING POINT left bank at USGS gage, 3 miles northwest of Victorvill e 

and 500 feet upstream from U. S. Highviay 66 b ridge 

flP.roHS Lower Narrows. 



STATION NO. 



M. 



.REGION NO. 



COUNTY San Bernardino 



Soda Lake 

AT RIVER MILE _2i_f|:om/ SEC. _22, T _6 N, R Jfc W SBB&M 



SAMPLED BY. 



DWR-Los Angeles 



ANALYSIS ON PAr.F A-333 TABLE 6 



-A70- 



TABLE 6 

SAMPLING STATION DATA 
LAHONTAN REGION 



STATION Susan River at Susanvllle 



SAMPLING POINT Sampled from left bank at foot of USGS gage, 0.5 mile west 
of Susanville and Id mile upstream from Piute Creeko 



STATION NO 12b REGION NO. 6 COUNTY Lassen 

AT RIVER MILE_^4 SEC.Ji, T^^ _il R J^ ^ _MD^?IL 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PAGE -Ajliii TABLE ^ 



STATION Truckee River near Truckee 



SAMPLING POINT- 



from left bank at gage, 1,4 mile upstream from 



Donne r Creek and 2.5 miles southwest of Truckee, 



STATION ND 52 REGION NO 6 COUNTY Placer 

AT RIVER MILE SEC. _28 T ^J JL, R -li _Ji MPg&M 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PARF A-337 TABLE 6 



-A71- 



TABLE 6 

SAMPLING STATION DATA 
LAHONTAN REGION 



STATION Truckee River near Farad 



SAMPLING pnmT from left bank at foot of gage, two miles from 
California-Nevada state line on U. 3. Highway 40. 



STATION NO ^3 REGION NO 6 COUNTY NfiVflda 

AT RIVER MILE SEC._29 T-l^ _N^ R M. .^ M^B&M 

SAMPLED RY DWR-Sacramento 

ANALYSIS ON PAGE ^^~339 j^bLE k 



.•v/^- 



TABLE 7 

SAMPLING STATION DATA 
COLORADO RIVER BASIN REGION 



STATION Alamo River at International Boundary 



SAMPLING pniMT between All American Canal and International Boundary, 
upstream from canal seepag*; pipes ^ Imperial Irrigation 



District Station AR-1 



STATION NO ^2 REGION NO. 1 COUNTY Imperial 

AT RIVER MILE_il SEC.J^ T-il _S_ R J4 _E SBB&M 

SAMPLED BY DWR°Los Angelfts 



ANALYSIS ON PAGE A-341 TABLE 



STATION Alamo River near Call pat ria 



SAMPLING pniKJT left bank 6 ,,2 miles north of Westmorland-^lalipatria 

Highway, 0,4 mile downstream from lateral 3-road bridge 

at Imperial Irrigation District Station AR=-17. 



STATION Mn 60 REGION NO 1 COUNTY — Imperial 

ATP.vPPu.. F 2.5 SEC.^^ T_il_S^Rj^_E 3BB&M 

SAMPLED RY DWR-Los Angele? 

ANALYSIS ON PAGE—AzlAl TABLE 1 



-a73- 



TABLE 7 

SAMPLING STATION DATA 
COLORADO RIVER BASIN REGION 



STATION All American Canal near Pilot Knob 



SAMPLING pnmr left bank .fast upstream from Highway 80 bridge^ over 
canal a 5 miles west of Yuma Bridge. Imperial Irrigation 



District Station 1035 (lower slope) 



5^a REGION NO. 2 rniiNTY Imperial 

20 SEC._24 T_J^_^ R^_^ SBB&M 

SAMPLED RY DWR-Los Angeles; Sampled May and September. 

ANALYSIS ON PAGE ^"345 TABLE 1 



STATION NO 

AT RIVER MILE 



STATION 


Colorado River near 


Topock 3 


Arizona 








SAMPLING P 


'OINT. 


uses auxiliary 


^ge on 


furthest 


downst 


,reairi high 




pressure gas line 


bridge 


from- Highway 


66 


bridge. Right 






bank, California i 


sidCo 













STATION NO ^ REGION NO. ^_Z__ COUNTY San Bernardino 

AT RIVER MILE _I96*_ SEC. _8, T .7 llL R 24_ ^ SBB&M 

SAMPLED BY DWR^Loa Ang(»1ffs; Sampled May and September 

ANALYSIS ON PAP.F A-346 TAR1 F 7 

* From Califomia-Arizona-Mexico Boundary junction. 



A- 74- 



TABLE 7 

SAMPLING STATION DATA 
COLORADO RIVER BASIN REGION 



STATION 


Col( 


Drado River 


below Morelos 


Dam 






SAMPLING 


POINT. 


from left- 


bank 


1/L 


mile 


downstreaii 


1 from Morelos Dam- 




Arizona si( 


le. 


The 


dam 


is approximately 


one mile 






dovm stream 


from 


Ca lifomia -Arizona - 


•Mexico 


boundary 


junction. 





STATION NO ^6b REGION NO. __Z rniiNTY Yuma 

AT RIVER MIUE-Zl^ SEC.^ T_8_ S r ^ W G&Sm 



SAMPLED RY DWR°Los Angeles; Sampled May and September 

ANALYSIS ON PAGE ^"347 TABLE Z 

* From Calif omia -Arizona -Mexico Boundary junctiono 



STATION Colorado River near Blythe 



SAMPLING pniNT at boat dock approximately one-half mile dovmstream 

from US 60-70 Highway Dridge, Sampled from California 

side. 



STATION Nn 56c REGION NO 2 COUNTY Tinp<»Ha1 

AT RIVER MILE 98* SEC. _Z, J JL S_ r _22. J^ _SBB&M 

SAMPLED RY DWR-Los Angeles; Sampled May and September 

ANALYSIS ON PAr.p A-348 TABLE _2 



* From Calif omia=Arizona-Mexico Boundary Junction, 



-A75- 



TABLE 7 

SAMPLING STATION DATA 
COLORADO RIVER BASIN REGION 



STATION Colorado River at Parker Dam 



SAMPLING pniMT shore at right bank on California side 1 mile upstream 

from USGS gage, 3 miles downstream from Parker Dam; 

11 miles northeast of Parker, Arizona » Sampled from 



River Lodge boat dock. 



STATION NO.___55 REGION NO 1 COUNTY San Bemardino 

AT RIVER MILE_JMxl!i SEC. 16, tJ N, R JJ. A^ SBB&M 

SAMPLED RY DWR-Los Angeles; Sampled May and Saptember 

ANALYSIS ON PAGE A-3A-9 TABLE 1 

* From California-Arizona -Mexico Boundary jianctiono 



STATION Colorado River at Yuma, Arizona 



SAMPLING POINT left bank at old Highway 8Q bridge, USGS gage iq 0»4 
mile downstream from sampJg point. 



STATION NO ^6 REGION NO. _2___ COUNTY _Jfuma_ 



ATRivFPMiiP 7o5* SEC.36_ tJ^ _S_ R^l ^ G&SRM 

SAMPLED RY DWR-Los Angeles 

ANALYSIS ON PAP.F ^"350 taBLE 7 



* From California-Arizona -Mexico Boundary jiinction. 



A-76- 



TABLE 7 

SAMPLING STATION DATA 
COLORADO RIVER BASIN REGION 



STATION Lake Havasu at Metropolitan Water District intake 

SAMPLING pniMT right bank at the MWD Intake, Ig mile upstream from 
Parker Dam, 



STATION NO. 



66d 



-REGION NO. 



AT RIVER MILE. 



156-g- 



rniJMTY San Bernardino 

SEC.^ tJ_ Ji. R_27 i SBB&M 



SAMPLED BY MWD 



ANALYSIS ON PAGE A-351 TABLE 7 



"» From Califomia-Arizona-Mexico Boundary jxmctiono 



STATION New River International Boundary 



SAMPLING pniKiT right bank at road bridge, 1$0 yards north of 

International boundary. Imperial Irri^tion District 



Station NR-1» 



STATION NO.. 



_ZL 



.REGION NO. 



.COUNTY Imperial 



AT RIVER MILE_56 

SAMPLED RY DWR^Los Angeles 



SEC. Ik, T Ji -S-, R J^ .£^ 



SBB&M 



ANALYSIS ON PAGE 



A-353 



TABLE 



-A77- 



TABLE 7 

SAMPLING STATION DATA 
COLORADO RIVER BASIN REGION 



STATION 



New River near Westmorland 



SAMPLING pnjKiT right bank 50 feet aorth of Vail Canaly 3 miles west of 

Galipatrift'^Westmorland Highway, 0.6 mil e do wnstream from 

Trifolitim #10 Road bridge , Imperial Irrigation District 

Station NR-17. 



STATION NO.- 



M- 



-REGION NO. 



AT RIVER MILE- 



_2 rniiKJTY Imperial 

SEC._3a T J2_ _a, R J3_ _£, 3BB&M 



SAMPLED RY DWR=Los Angeles 



ANALYSIS ON 



PAGE ^-355 TABLE 2_ 



STATION Whitewater River at Whitewater 



SAMPLING POINT 8 feet Cipoletti weir 1.6 mile upstream firom Whitewater, 
2 USGS gages p one on river and one on weir„ 



STATION NO.. 



68 



AT RIVER MILE. 



54 



SEC. 



REGION NO L— 

T^ S, R J E 



COUNTY Riverside 
SBB&M 



SAMPLED RY DWR-Los Angeles 



ANALYSIS ON PAr.F A-357 TABLE Z. 



-A78- 



TABLE 8 

SAMPLING STATION DATA 
SANTA ANA REGION 



STATION Chlno Creg'k near Chinc' 



SAMPLING pniKJT right bank 20 feet apgtream from Pine Avgn^e Bridge 
approximately 5 miles southeast of Chins o 



STATION NO. 



M- 



AT RIVER MILE. 



SEC. >'-', T. 



J?EGION NO £ 

_ .S^ R _8_ JL, 



rniiNTY San Bernardino 
SBBAM 



SAMPLED RY DWR.°Log Ang^Ii^-^ 



ANALYSIS ON PAGE -AriiS. TABLE 6- 



STATION Lake Elsinore north shcm 



SAMPLING pniKJT noribfe shore of lake at UgGS staff gage, approximately 
Oo^ mile south of ..ImictioB of Ri-yerside Drive and State 



JigilMAX. 



5^1 



STATION NO. 



m. 



AT RIVER MILE 



SEC. 



SAMPLED RY DWR-Los Ang'^l" 



.REGION NO. -JL 



COUNTY Riversidft 

W SBB&M 



ANALYSIS ON PAGE. 



A»36l 



TABLE 



-a79- 



STATION 



TABLE 8 

SAMPLING STATION DATA 
SANTA ANA REGION 



Santa Ana Rivfir nsAiF A rlington 



SAMPLING pniKiT f^om right bank at Pedley Eoad bridge 75 feet upstream 

from USGS gageo 3°3 miles northeast of Arlington and 

1/2 mile dowBstrcam from Riverside Sewage Treatment Plant, 



STATION NO.. 



51* 



-REGION NO. 



AT RIVER MILE m 

SAMPLED RY DWR^Los Angeles 



_8 rniiMTY Riverside 

spraS T 2 S R _6_ _W_ SBB&M 



ANALYSIS ON PAGE A -363 TABLE 



* Discontinued September « 195?. 



STATION Santa Ana River near Prado Dam 



SAMPLING PDiKiT from left bank „ at USGS gages 2500 feet downstream from 
Prado Dam; 4 mile wsst of Corona, 



STATION NO.- 



ila 



-REGION NO. 



AT RIVER MILE. 



3I06 



SEC. 



2<? 



A, R_L 



— COUNTY Riverside 
V SBB&M 



SAMPLED BY nWR.„T.f.ff ilng>1»a 



ANALYSIS ON PAGF A-364 jabLE L 



-A80- 



TABLE 8 

SAMPLING STATION DATA 
SANTA ANA REGION 



STATION Santa Ana River near Mer\tone 



SAMPLING pniKiT gO'i:tthem Call forma Edisoa- Company's Santa Ana River 
No. 3 Power Plant tailrace, 3o5 miles northeast of 



Mentone near moath of Canyon o 



STATION NO.- 



51b 



-REGION NO. 



AT RIVER MILE. 



72,7 



SEC. 



4 



T^ §_ R^ 



W 



SAMPLED RY DWR-=Los Angeles 



rniiNTY San Bernardin o 

SBB&M 



ANALYSIS ON PAGE _i-366 TABLE 8_ 



STATION 



Santa Ana River at Riverside (MWD Blowoff) 



SAMPLING pniKiT from left bank, 200 yeards upstream from Me t ropolitan 

Water District Aqueduct Crossing, and 0.3 miles upstream 

from Riverside Sewage Treatment Plant, 



STATION NO.. 



5 Id 



8 



AT RIVER MILE ^5o5 SEC. 3^^ T _2 

SAMPLED RY DWR^Lol Angeles 



REGION NO. 

S R_l 



COUNTY Riverside 

W SBB&M 



ANALYSIS ON PAGE. 



A-368 



TABLE 



8 



-A81- 



TABLE 8 

SAMPLING STATION DATA 
SANTA ANA REGION 



STATION Santa Ana Rive r at Norco 



SAMPLING pniMT at USGS smmner gage just downstream from Hammer Aveo 

bridge on left bank, 



STATION NO.__ii* REGION NO. I COUNTY Riverside 



AT RIVER MILE. 



1^ SEC.^4 -r-Z. _^ R j: laU SBBML 



SAMPLED RY DWR-Los Angeles 



ANALYSIS ON PAGE ^"370 TABLE B- 



STATION Warm Hrf^Ak At flnltor. 




<;ampi iwr. PnmT from right feink near USGS gage at '"F'« Street 


bridge. 


1/4 niile north of U« S„ Highway 99 and Qok mile 


east of 


Mt„ Vemon Avenue,, 1,2 mile east of Colton. 0,3 


mile 


below San Bernardino Sewage Disposal Plant, 





STATION N0.____50Jb REGION NO, 8 rniiKiTY San Bernardino 

AT RIVER MILE _QA__ SEC. -^ tI §_ n Jk H SBB&M 



SAMPLED BY DWR-Los Angeles to 7-ll--55s 8-55 to date by City of San 

Bernardino 
ANALYSIS ON PAr.P A-372 TABLE 8 



-A82- 



TABLE 8 

SAMPLING STATION DATA 
SANTA ANA REGION 



STATION Warm Creek at San Bernardino 



SAMPLING PoiMT from right bank beneath "E" Street bridge, 0.5 ndle 
upstream from San Bernardino Sewage Disposal Plant* 



STATION NO ^Oc REGION NO § rniiMTY San Remardino 

AT RIVER MLE-Uk SEC.-IS, jJ^ -^ R JL. JL ^BB&M 

SAMPLED RY DWR°Lo3 Angeles to 7°11°55| 6-55 to date by City of San 

Bernardino 
ANALYSIS ON PAGE A-374 TABLE ^ 



-A83- 



TABLE 9 

SAMPLING STATION DATA 
SAN DIEGO REGION 



STATION Eacondido Creek near Harmony Grov» 



SAMPLING pniMT HarmoTiv GS>ova| road ctilvsrt., ^ miles south of E3Condido< 



STATION NO. 



M. 



AT RIVER MILE_1LlL 



SEC. 






-REGION NO. 

C ' 



w 



rniiMTY Sajg, Dlegc 
SBB&M 



SAMPLED RY DWR^L?g Angeles 



ANALYSIS ON PAGE AzlZZ- TABLE 



STATION San Diego Rive]* af Old Mis sion Dam 



SAMPLING pniKiT from left bank just belv Old Mission Dam, th-ee miles 
w<!St of Sante^-. , 



STATION NO. 



hC. 



.REGION NO. 



AT RIVER Mil F I'cc 



SEC. 



U R 



_ COUNTY San Diegc 
W SBB&M 



SAMPLED RV DWE^Lo s Angeles 



ANALYSIS ON PAP.f A- 379 TABLE 



-A85~ 



TABLE 9 

SAMPLING STATION DATA 
SAN DIEGO REGION 



STATION San Dieggito River below San Pasqual Valley 



SAMPLING oniMT from right bank^ 75 yards upstream from USGS gage, 2| 
mile upstream from Highway 395 Bridge y 4o5 miles 



southeast of Escondldo and 5 miles west of San Pasqual, 



STATION NO.- 



64 



-REGION NO. 



AT RIVER MILE. 



21.8 



SEC. J^ T_i3 _2, R 1- 



SAMPLED RY DWR-Los Angeles 



W 



rniiMTY San Diego 
SBB&M 



ANALYSIS ON PAGE 



A-381 



TABLE 



STATION San Luis Rey Ri¥er near Pala 



SAMPLING pniKiT ^^°^ right bidk at Pala Diversion Dam and USGS 
summer gage ^l. 8 miles east of Pala. 



STATION NO.- 



02 



REGION NO. 

AT PIVFR uii F 24. 8 SBr 36 T_9 S^ f 

SAMPLED RY DWR-Los Angeles 



COUNTY San Diego 

W SBB&M 



ANALYSIS ON PAGE. 



A-383 



TABLE 



-A86- 



TABLE 9 

SAMPLING STATION DATA 
SAN DIEGO REGION 



STATION Santa Margarita Rivsr near FaTlhrnnk- 

SAMPLING pniKiT Lgft. bAnH 2 miles north of Fallbrook and l/2 mile 

doiimst:^eam from Fallbrook Public Utility Distriet gage. 



STATION NO li£ REGION NO. _2 rniiNTY San Diego 

AT RIVER MILE^£2 SEC.J:!, T_2 §_, rA W ^BBfeM 



SAMPLED BY DWR^Lo>S Angel^f 



ANALYSIS ON PAGE A-jS^ TABLE 2_ 



STATION Tia Juana River at International Boundary 



SAMPLING pniMT from right bank at California Water & Telephone Company 
gage 2o5 miles upstream from Nestor bridge » 



STATION NO §^ REGION NO 2 COUNTY San Diego 

AT RIVER MILE _L0__ SEC. -I, T ^1 -A. R -L -J 3BB&M 

SAMPLED RY DWR^Lcg A-:gele? 

ANALYSIS ON PAGE-AlHZ_ TABLE 2 



-A87- 



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