Coastal Basins Aquifers (California, Nevada), Ground Water Atlas of the United
States, U.S. Geological Survey Hydrologic Atlas HA-730

DWR Statewide Groundwater Planning

DWR Central District Groundwater

Groundwater Resources Assocation of California

California Water Code

The Association of California Water Agencies summarizes California groundwater issues.

Groundwater regulation will stay local, State Board Chief Art Baggett says. "The
power is in your hands as local agencies," Baggett states. "Use it well. A lot of people are watching."

Napa County's Groundwater Protection and Conservation Ordinance

Groundwater Quality