Kenneth Belitz Tracy A. Davis 2016 <p class="p2">Groundwater provides more than 40 percent of California’s drinking water. To protect this vital resource, the State of California established the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The Priority Basin Project of the GAMA Program provides a comprehensive assessment of the State’s groundwater quality and increases public access to groundwater-quality information. The Santa Barbara Coastal Plain is one of the study units.</p> application/pdf 10.3133/fs20163058 en U.S. Geological Survey Groundwater quality in the Santa Barbara Coastal Plain, California reports