Welcome to the U.S. Geological Survey (USGS) Temecula Hydrology website. This site provides hydrologic data collected or compiled by the USGS for the Temecula area; some additional data may be available from the USGS database National Water Information System (NWIS).
.wcl = WellCAD files that require specialized software to view
.log = Century software that requires a free program to view
.pdf = requires Adobe Acrobat to view
.wcl = WellCAD files that require specialized software to view
.log = Century software that requires a free program to view
.pdf = requires Adobe Acrobat to view