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National Water-Quality Assessment Program 
San Joaquin - Tulare Basins Study Unit  


Pesticides in Surface and Ground Water of the San Joaquin-Tulare Basins, California: Analysis of Available Data, 1966 Through 1992

By Joseph L. Domagalski

U.S. Geological Survey Water-Supply Paper 2468


   PART 1 

  ABSTRACT

  INTRODUCTION

  DESCRIPTION OF STUDY AREA

    Physiographic and Geologic Setting 
    Climate 
    Surface-Water Hydrology 
    Ground-Water Hydrology 
    Population and Land Use 
    Water Use

  ENVIRONMENTAL FRAMEWORK FOR WATER-QUALITY ASSESSMENT

    Physiography and Land Use 
    Pesticide Use

  SOURCES OF PESTICIDE DATA

    Surface Water 
    Ground Water
   PART 2 

DESCRIPTIONS OF CONCENTRATIONS BY SOURCES OF DATA AND ENVIRONMENTAL SETTING

    Surface Water-- U.S. Environmental Protection Agency, Storage and Retrieval Data Base
      San Joaquin Basin: Valley, West Side, Alluvial Deposits Environmental Setting--Agriculture (Field Crops) 
      San Joaquin Basin Integrator Sites 
      Tulare Basin: West Side, Environmental Setting 
      Tulare Basin: East Side, Environmental Setting
   PART 3
    Surface Water-- U.S. Geological Survey Data Base, San Joaquin River and Tributaries
      Bed Sediment 
      Water Column
   PART 4
    Surface Water-- California Regional Water Quality Control Board Data Base, San Joaquin River and Tributaries
      San Joaquin Basin: Valley, West Side, Alluvial Deposits Environmental Setting--Agriculture (Orchards and Field Crops) 
      San Joaquin Basin Integrator Sites 
   PART 5 
    Ground Water
    Pesticides in Rain or Foggy Atmospheres
   PART 6

SUMMARY AND CONCLUSIONS

REFERENCES CITED


FORWARD


CONVERSION FACTORS, VERTICAL DATUM, AND ADDITIONAL ABBREVIATIONS

Multiply By To obtain
acre 4,047 square meter
acre-foot (acre-ft) 1,233 cubic meter
acre-foot per year (acre-ft/yr) 1,233 cubic meter per year
foot (ft) 0.3048 meter
gallon (gal) 3.785 liter
gallons per day (gal/d) 0.003785 cubic meters per day
inch (in.) 25.4 millimeter
inch per hour (in/h) 25.4 millimeter per hour
mile (mi) 1.609 kilometer
pound (lb) 0.4536 kilogram
pounds per acre (lb/acre) 112.1 kilograms per square kilometer
square mile (mi2) 2.590 square kilometer


Temperature is given in degrees Fahrenheit (°F) or degrees Celsius (°C) and can be converted by using the following equations:
VERTICAL DATUM
Sea level: In this report, "sea level" refers to the National Geodetic Vertical Datum of 1929--a geodetic datum derived from a general adjustment of the first-order level nets of both the United States and Canada, formerly called Sea Level Datum of 1929.

ADDITIONAL ABBREVIATIONS

g/L grams per liter
µg/L micrograms per liter
µg/kg micrograms per kilogram


Copies of this report are available from:


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For questions or comments about this document, 
please contact Joseph L. Domagalski, joed@usgs.gov

The url for this page is:
http://ca.water.usgs.gov/sanj_nawqa/pub/reps/wsp2468/
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Last modified: April 17, 1998