![Image of groundwater well in Gridley. The wells pump water to flood fields and supply water for waterfowl.](/-/media/DWR-Images/Groundwater/KMG_Gray_Lodge_gw_19423.jpg?mw=200&hash=4F527D257BC1EAA020ABF9F7159B6D25)
California’s groundwater basins are a critical part of the state’s water supply for millions of people. Small communities rely on it, individual homes rely on it. It is a source of drinking water as well as irrigation for California’s agricultural community.