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ACTIVE STUDY AREAS ORGANIZED BY PROVINCE
North Coast Ranges
North SF Bay
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DATA CENTER
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2006 Streamflow Summary
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USGS IN YOUR STATE
USGS Water Science Centers are located in each state.
Cooperator Web Sites
State Water Resources Control Board: GAMA Web Site
Department of Health Services
Department of Water Resources (DWR) Bulletin 118 (California Ground-Water Resources)
Lawrence Livermore National Laboratory
United States Geological Survey Web Sites
USGS Home Page
USGS Water Resources Discipline (WRD) Home Page
USGS Health-Based Screening Levels
USGS WRD California
National Water Quality Assessment (NAWQA) Program
NAWQA: San Joaquin Study Unit
NAWQA: Sacramento Study Unit
NAWQA: Santa Ana Study Unit
GIS Data Links:
Hydrogeologic Provinces for California based upon established groundwater basins and watershed polygons
California Department of Water Resources: Groundwater Basin Map
State Water Resources Control Board: Geotracker
The California Spatial Information Library: CaSIL
USGS: The National Map
California Water Science Center Home Page