Water and California have a long and intertwined history.  This page is designed to provide information to California's present and future challenges in the water arena, topics including: groundwater and surface water allocation, water rights, drinking water, agricultural water, environmental water, irrigation, salinity, drainage, trace elements, pesticides, State Agency information, legal information, and much more.  Send us the link if you have a good site! Check our our NEWS section for links to water news in California and the Western U.S.

Federal Agencies | State Agencies | Districts | Organizations | Law
Pesticides | Salinity | Toxics

Federal Agencies

• U.S. Geological Survey (USGS) 
  • Water Resources Information Home Page Provides links to Regional and Local Office home pages, including the California District and the San Francisco Ecosystem Program 
  • Publications of the U.S. Geological Survey Searchable index of USGS books and journals.  Online USGS Water Resources Reports
  • National Water Conditions Provides an overview of surface water and groundwater conditions in the U.S., southern Canada, and Puerto Rico 
  Note: For access to USGS Streamflow Data and Selected Water Resources Abstracts, please see http://www.lib.berkeley.edu/WRCA/database.html; For a Guide to Locating Streamflow Records, please see http://www.lib.berkeley.edu/WRCA/streamflow.html
• U.S. Environmental Protection Agency (EPA) 
  • Office of Water 
  • Office of Ground Water and Drinking Water 
  • Large-Scale Ecosystem Protection Efforts 
  • Chesapeake Bay Program 
  • Acid Rain Program 
  • National Drinking Water Contaminant Database 
  • National Risk Management Research Laboratory, Subsurface Protection and Remediation Division 
• U.S. Bureau of Reclamation 
  • WaterShare The Bureau's new Virtual Water Conservation Center includes listings of regional sites, contacts, links to water conservation experts and documents to help local agencies prepare water conservation plans. 
  • Mid-Pacific Region Regional information for California, Nevada, and Oregon 
  • Central Valley Project Improvement Act 
  • Bureau of Reclamation History Program
• U.S. Army Corps of Engineers 
  • Waterways Experiment Station 
  • Hydrologic Engineering Center (HEC) 
• Natural Resources Conservation Service U.S. Dept. of Agriculture
• Agricultural Research Service U.S. Dept. of Agriculture 
  • Hydrology Lab Provides access to the ARS Water Database 
  • Pasture Systems and Watershed Management Research Laboratory 
  • Water Management Research Laboratory 
• FedWorld (National Technical Information Service)
• Oak Ridge National Laboratory (ORNL) U.S. Dept. of Energy. Search the ORNL Web Server for water-related research being conducted at ORNL. 

• California Department of Water Resources (DWR)
  • 1999 Calendar of Water-Related Events 
  • California Water Related Maps 
  • State Water Project 
  • DWR El Niño Information 
• State Water Resources Control Board (SWRCB) 
  • Bay Delta Hearing Transcripts
  • Bay Delta Program
  • Central Coast Regional Water Quality Control Board
  • Central Valley Regional Water Quality Control Board
  • Colorado River Basin Regional Water Quality Control Board
  • Lahontan Regional Water Quality Control Board
  • Los Angeles Regional Water Quality Control Board
  • San Francisco Bay Regional Water Quality Control Board 
  • San Diego Regional Water Quality Control Board
  • Santa Ana Regional Water Quality Control Board
  • Storm Water Information 
• CALFED Bay-Delta Program 
• California Data Exchange Center (CDEC) California Dept. of Water Resources, Division of Flood Management 
• California Cooperative Snow Surveys (CCSS) Provides information on water supply conditions throughout California in the form of watershed runoff forecasts and snowpack conditions. 
• California Environmental Resources Evaluation System (CERES) 
• Coastal Conservancy Acts to preserve, protect and restore the resources of the California coast.

Water Districts (Agricultural and Urban)

• American States Water Company 
• Alameda County Water District 
• Big Bear City Community Services District 
• Bolinas Community Public Utility District 
• California Water Service Group 20 water districts serving 39 California communities. 
• Calleguas Municipal Water District 
• Castaic Lake Water Agency 
• Camrosa Water District 
• Central Coast Water Authority 
• Central Marin Sanitation Agency
• Coachella Valley Water District 
• Contra Costa Water District 
• Desert Water Agency 
• East Bay Municipal Utility District 
• Friant Water Users Authority (Includes contact info for member districts)
• Helix Water District 
• Hollister Water Dept. (375 Fifth St., Hollister, CA 95023; 831-636-4301) 
• Inverness Public Utility District
• Imperial Irrigation District 
• Inyo County Water Department 
• Irvine Ranch Water District 
• Kings River Conservation District 
• Lakewood (City of ) 
• Los Angeles Department of Water and Power 
• Main San Gabriel Basin Watermaster 
• Mammoth Community Water District 
• Marin Municipal Water District 
• Merced Irrigation District 
• Metropolitan Water District of Southern California 
• Modesto Irrigation District 
• Mojave Water Agency 
• Monroe County Water Agency 
• Monterey County Water Resources Agency 
• Monterey Peninsula Water Management District 
• North Marin Water District 
• Oakdale Irrigation District 
• Orange County Water District 
• Otay Water District 
• Palmdale Water District 
• Pajaro Valley Water Management Agency 
• Rio Linda-Elverta Community Water District 
• Sacramento Area Water Works Association 
• San Bernardino Valley Municipal Water District 
• San Diego County Water Authority 
• San Francisco Public Utilities Commission 
• San Gabriel Basin Water Quality Authority 
• San Gabriel Valley Municipal Water District 
• San Gabriel Valley Water Association 
• San Juan Bautista (City of) (12 Jefferson St., San Juan Bautista, CA 95045; 408-623-4218)
• Santa Ana Watershed Project Authority 
• Santa Barbara (City of) Public Works, Water Resources 
• Santa Clara Valley Water District 
• Shafter-Wasco Irrigation District
• Stinson Beach County Water District
• Sunnyslope Water District (PO Box 1442, Hollister, CA 95024; 831-637-4670)
• Three Valleys Municipal Water District 
• Turlock Irrigation District 
• Union Sanitary District 
• Upper San Gabriel Valley Municipal Water District 
• Valley Center Municipal Water District 
• Vista Irrigation District 
• Water Replenishment District of Southern California 
• Yucaipa Valley Water District 

Water-related Organizations

• Association of California Water Agencies (ACWA) 
• California Farm Water Coalition 
• California Municipal Utilities Association 
• California-Nevada Section, American Water Works Association (AWWA) 
• California Rural Water Association
• California Urban Water Conservation Council
• California Water AssociationConsortium of over 52 investor-owned water utilities providing services throughout California
• California Water Clearinghouse Bay-Delta 
• Colorado River Water Users Association
  • California
• The Los Angeles and San Gabriel Rivers Watershed Council
• State Water Contractors 
• Water Education Foundation 
• WaterReuse Association of California 

Water Laws and Regulations in California

• California Water Code
• CERES California Water Law and Policy

Pesticides