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California Water Science Center

View of California Scenery - Photo by Cathy Munday, USGS

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ACTIVE STUDY AREAS ORGANIZED BY PROVINCE

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DATA CENTER


Google Maps access to CA hydrologic monitoring data
Precipitation
Streamflow
Ground-water Levels
Water Quality
Lakes

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ABOUT CALIFORNIA WSC

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USGS IN YOUR STATE


USGS Water Science Centers are located in each state.

There is a USGS Water Science Center office in each State. Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii New York Vermont New Hampshire Maine Massachusettes South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

North San Francisco Bay Study Unit

Map showing the Napa/Sonoma study unit.

The North SF Bay Study Unit consists of 3 study areas:

  • Volcanic Highlands; 20 wells sampled
  • Valley and Plains (Alexander Valley, Kenwood Valley, Lower Russian River Valley, Napa/Sonoma Valley, Petaluma Valley, Santa Rosa Valley); 54 wells sampled
  • Wilson Grove Formation Highlands; 15 wells sampled

The 3 study areas fall in Sonoma, Napa, Marin, Lake and Solano counties.

Data series report: Ground-Water Quality Data in the North San Francisco Bay Hydrologic Provinces, California, 2004: Results from the California Ground-Water Ambient Monitoring and Assessment (GAMA) Program

California Water Science Center Home Page

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URL: http://ca.water.usgs.gov/gama/SU/snapa.htm
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Page Last Modified: Friday, 03-Oct-2008 14:11:01 EDT