From the Department of Water Resources: As many as two million water wells tap California’s groundwater, with approximately 7,000 to 15,000 new wells constructed each year. They range from hand-dug, shallow wells to carefully designed large -production wells drilled to great depths.    The Department of Water Resources is responsible for developing minimum well standards for four types of wells, published as DWR Bulletin 74 and for serving as the state clearinghouse for Well Completion Reports. The Department of Water … Continue reading ANNOUNCEMENT: DWR to update Bulletin 74 – California Well Standards