Federal Government Agencies
U.S. Environmental Protection Agency — Office of Water The Office of Water's activities are targeted to prevent pollution wherever possible and to reduce risk for people and ecosystems in the most cost-effective ways possible.
U.S. Department of the Interior — Bureau of Reclamation The Bureau of Reclamation's mission is to assist in meeting the increasing water demands of the West while protecting the environment and the public's investment in these structures.
Mid–Pacific Region This is one of the five Reclamation regions that accomplishes water planning, operations, and management activities. Established by the Secretary of the Interior in 1942, the Region includes lands in central and northern California, northern Nevada, and southern Oregon.
U.S. Geologic Survey — Water Resources of California This website includes current and archived water data for the state of California, as well as reports and information on current USGS projects in California.
United States Department of Agriculture — Agricultural Research Service (USDA-ARS) The principle in-house research agency of the USDA charged with extending the Nation's scientific knowledge with 22 National Programs, with research projects in agriculture, nutrition, technology, the environment and other topics that affect the American people on a daily basis.
Water Quality and Management Program The primary mission of this national program is twofold: to develop innovative concepts for determining the movement of water and its associated constituents in agricultural landscapes and watersheds and to develop new and improved practices, technologies, and strategies to manage the Nation's agricultural water resources.