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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. [1]
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]
California Water Service Company: 1896: Earth: 61 19: 672: 829 Bear River Reservoir: Bear River Dam: ... State of California. Archived from the original on April 11, 2009
The state has more than one thousand major reservoirs, of which the largest two hundred have a combined capacity of over 41,000,000 acre-feet (51 km 3). [1] Most large reservoirs in California are located in the central and northern portions of the state, especially along the large and flood-prone rivers of the Central Valley.
The nearly 8100 major dams in the United States in 2006. The National Inventory of Dams defines a major dam as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3).
Map of some major California rivers and lakes. This is a list of rivers in the U.S. state of California, grouped by region. Major lakes and reservoirs, if applicable ...
California aquifers, excerpted from map in Ground Water Atlas of the United States (USGS, 2000): Lavender is "other" for "rocks that generally yield less than 10 gal/min to wells"; dark green-blue (3) are the California coastal basin aquifers, bright-turquoise blue (7) is the Central Valley aquifer system, flat cobalt-blue (1) down south is Basin and Range aquifers
In 1966, the Metropolitan Water District passed Proposition W, a Southern California property tax bond to connect its regional water system to the new state project. [ 20 ] In 1961, ground was broken on Oroville Dam , and in 1963, work began on the California Aqueduct and San Luis Reservoir .