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Map of water storage and delivery facilities as well as major rivers and cities in the state of California. Central Valley Project systems are in red, and State Water Project in blue. California's interconnected water system serves almost 40 million people and irrigates over 5,680,000 acres (2,300,000 ha) of farmland. [1]
Geography of California. Coordinates: 37°9′58″N 119°26′58″W. Map of California topography and geomorphic provinces. California's major mountain ranges. California is a U.S. state on the western coast of North America. Covering an area of 163,696 sq mi (423,970 km 2 ), California is among the most geographically diverse states.
California region, with its 10 4-digit subregion hydrologic unit boundaries. The California water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey in the United States hydrologic unit system, which is used to divide and sub-divide the United States into successively smaller hydrologic units.
Map of the Tulare Lake Basin. Usually an endorheic basin, waters in this region all eventually would reach Tulare Lake. This region would overflow into the San Joaquin River during flood years when Tulare Lake overflowed. Streams are listed clockwise around the Tulare Basin, starting at the Kings River: Kings River (jump to tributaries) Sand Creek
California groundwater basins, subbasins, and hydrologic regions. The California Department of Water Resources recognizes 10 hydrologic regions and three additional drainage areas within the U.S. state of California. The hydrologic regions are further subdivided into 515 groundwater basins.
Sacramento–San Joaquin Delta was designated a National Heritage Area on March 12, 2019. The city of Stockton is located on the San Joaquin River at the eastern edge of the delta. The total area of the Delta, including both land and water, is about 1,100 square miles (2,800 km 2 ). Its population is around 500,000.
The State Water Resources Control Board was established from the State Water Quality Control Board and the State Water Rights Board by an Act of 1967. [4] California's pioneering clean water act is the 1969 Porter-Cologne Water Quality Control Act (Porter-Cologne Act). [5] Through the Porter-Cologne Act, the State Water Board and the Regional ...
The California State Water Project, commonly known as the SWP, is a state water management project in the U.S. state of California under the supervision of the California Department of Water Resources. The SWP is one of the largest public water and power utilities in the world, providing drinking water for more than 27 million people and ...