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Fact Sheet 2008-3038

U.S. GEOLOGICAL SURVEY
Fact Sheet 2008-3038

PROVIDING DATA AND MODELING TO HELP MANAGE WATER SUPPLIES

California Water Science Center
Cooperative Water Program

The Sonoma County Water Agency (SCWA) and other local water purveyors have partnered with the U.S. Geological Survey (USGS) to assess hydrologic conditions and to quan-tify the county-wide interconnections between surface water and ground water.

Through this partnership, USGS scientists have completed assessments of the geohydrology and geochemistry of the Sonoma and Alexander Valley ground-water basins. Now, the USGS is constructing a detailed ground-water flow model of the Santa Rosa Plain. It will be used to help identify strategies for surface-water/ground-water management and help to ensure long-term viability of the water supply.

The USGS is also working with the SCWA to help meet future demand in the face of possible new restrictions on its main source of water, the Russian River. SCWA draws water from the alluvial aquifer underlying and adjacent to the Russian River and may want to extend riverbank filtration facilities to new areas. USGS scientists are conducting research to charac-terize riverbank filtration processes and changes in water quality during reduced river flows.

This fact sheet is available online in Portable Document Format (PDF). If you do not have the Adobe Reader, it is available for free download from Adobe Systems Incorporated.

Download the report (PDF, 929 KB)

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For more information about the
USGS Cooperative Water Program, contact:
Donna Schiffer, Acting Director,
U.S. Geological Survey,
California Water Science Center
916/278-3000 schiffer@usgs.gov
http://water.usgs.gov/coop

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