Groundwater Vs. Surface Water Storage Capacity

No one knows the exact amount of water that can be stored within California’s 515 groundwater basins. California’s Department of Water Resources estimates the total storage capacity at somewhere between 850 million and 1.3 billion acre-feet. In comparison, surface storage from all the major reservoirs in California is less than 50 million acre-feet.

Reservoir Capacity 0 CUMULATIVE CAPACITY Total cumulative storage capacity of California’s major reservoires 50 million acre-feet Groundwater Basin Capacity How does the capacity of California’s 515 groundwater basins compare to reservoir capacity shown at left? SHOW ME

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A series of articles exploring the use and management of California’s precious resource.