California Water Science Center (CAWSC) - Yucaipa Valley Optimal Basin Management (OBM)

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Yucaipa Valley Hydrogeology

Welcome to the U.S. Geological Survey (USGS) Yucaipa Valley Hydrogeology website. This site provides hydrologic data collected or compiled by the USGS in the Yucaipa area; some additional data may be available from the USGS database National Water Information System (NWIS).

Project Chief: Greg Mendez
Phone: 619-225-6176
Email: gomendez@usgs.gov


San Diego Project Office

4165 Spruance Road, Suite 200
San Diego CA 92101-0812
619-222-2243 FAX: 619-225-6101