The California Water Science Center Office

The California Water Science Center headquarters is located at the CSUS campus in Sacramento, at the corner of State University Dr. East and Sinclair Road. The mailing address and phone numbers are:

U.S. Geological Survey
California Water Science Center
6000 J Street, Placer Hall
Sacramento, CA  95819 
916-278-3000 FAX: 916-278-3070
Campus & parking maps

Project Chief: Wes Danskin
Phone: 619-225-6132

Welcome to the United States Geological Survey (USGS) San Diego Hydrogeology project website, which provides geologic and hydrologic information for the transboundary San Diego–Tijuana area, USA and Mexico. This website provides background information about the project; a variety of news items; a large amount of data, in particular for USGS multiple-depth, monitoring-well sites; geologic and hydrologic models; and additional resources including photos, illustrations, and references. Last updated: April 2016

Some additional data may be available from the USGS database National Water Information System (NWIS).

Questions about San Diego Hydrogeology? Please contact Wes Danskin (email: or send a letter). 619.225.6132