Finished Paso Robles groundwater sustainability plan awaits final approval
The 20-year groundwater plan, required by state law, aims to bring the Paso Robles Groundwater Basin back into balance. Between 1981 and 2011, the 684-square-mile aquifer serving 29 percent of San Luis Obispo County residents and 40 percent of its agriculture lost 369,000 acre-feet of water.