California Water Library
The San Francisco Bay region is 4500 square miles, extending from Tomales Bay in Marin County to southern Santa Clara County and inland to the eastern edge of Suisun Bay. Land use varies from the urban Bay area cities to the Napa and Sonoma Valley wine growing regions and includes significant Pacific Coast marshes as well as Suisun Marsh, the largest contiguous brackish marsh on the West Coast of North America.
California Department of Water Resources (DWR) | December 2nd, 1991
California Department of Water Resources (DWR) | December 1st, 1992
California Department of Water Resources (DWR) | September 30th, 1994
California Department of Water Resources (DWR) | December 1st, 1995
California Department of Water Resources (DWR) | November 1st, 1996
California Department of Water Resources (DWR) | August 31st, 1997
California Department of Water Resources (DWR) | December 1st, 1998
California Department of Water Resources (DWR) | November 1st, 1999
California Department of Water Resources (DWR) | March 1st, 2001
California Department of Water Resources (DWR) | June 1st, 1950