California Water Library
The 11,000 square-mile South Coast region is the most urbanized and populous region in the state, home to more than half the state’s population residing in just 7% of the state’s total land area. The region receives imported water supplies from the State Water Project, the Los Angeles Aqueduct, and the Colorado River Aqueduct which account for about half the region’s water demands; the remaining demands are met through groundwater, recycled water, and some desalinated water.
California Department of Water Resources (DWR) | August 1st, 1955
California Department of Water Resources (DWR) | June 1st, 1956
California Department of Water Resources (DWR) | December 1st, 1932
California Department of Water Resources (DWR) | July 15th, 1964
California Department of Water Resources (DWR) | August 15th, 1967
California Department of Water Resources (DWR) | June 15th, 1968
California Department of Water Resources (DWR) | August 15th, 1969
California Department of Water Resources (DWR) | June 15th, 1970
California Department of Water Resources (DWR) | August 15th, 1971