Download or read book Status and Understanding of Groundwater Quality in the San Francisco Bay Groundwater Basins, 2007 written by Mary C. Parsons and published by CreateSpace. This book was released on 2014-07-11 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The San Francisco Bay study unit is approximately 620 square miles and consists of the Marina, Lobos, Downtown, Islais Valley, South San Francisco, Visitacion Valley, Westside, and the Santa Clara Valley groundwater basins (California Department of Water Resources, 2003). These basins were grouped into one study area primarily on the basis of geography (Ray and others, 2009).