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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
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 California's interconnected water system, including all eleven reservoirs over 1,000,000 acre-feet (1.2 km 3) as well as selected smaller ones.. This is a list of the largest reservoirs, or man-made lakes, in the U.S. state of California.
An analysis on historic water quality data from the Borrego Valley Groundwater Basin performed by the U.S. Geological Survey concluded that total dissolved solids (TDS) and nitrate in the upper level of the aquifer exceeded the water-quality thresholds for each given substance (500mg/L and 10 mg/L respectively). [6]
The tunnel supplies water to the city of Santa Barbara (which uses it for drinking water), the Goleta Water District, the Carpinteria Valley Water District, and the Montecito Water District. Water from Lake Cachuma is released into the Santa Ynez River below Bradbury Dam in order to satisfy downstream water rights. [8]
Pages in category "Watersheds of California" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. C.
Windmill used to pump water for irrigation, Compton, ca. 1900–1901 Groundwater is a critical element of the California water supply. During a normal year, 30% of the state's water supply comes from groundwater (underground water).
Pilarcitos and Frenchmans Creeks discharge as one at Venice Beach. The Pilarcitos Creek watershed drains 30 square miles (78 km 2).The creek begins at 1,430 feet (440 m) on the south slope of Whiting Ridge 0.8 miles (1.3 km) east of the North Peak of Montara Mountain, flows east-southeast, to Pilarcitos Reservoir where it is joined by Spring Valley Creek.