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Groundwater: The crucial challenge
A California Department of Water Resources geologist measures and records a pumping water level in a production well. (Photo: John Chacon,/DWR, 2013, via California Water Blog)Analysis: California’s single most urgent water policy priority is preserving our groundwater supply. In normal years, groundwater provides one-third of our state’s urban and agricultural water. In dry years, it provides up to nearly two-thirds.