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High concentrations of uranium were detected in samples from wells used for domestic drinking water supplies in the San Joaquin Valley. Of 163 domestic wells sampled by the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP) and the National Water Quality Program (NWQP) in 2008-2015, 26 percent had uranium concentrations greater than the U.S. Environmental Protection Agency maximum contaminant level (EPA MCL) of 30 µg/L, with 13 percent of the wells having uranium concentration between 100 µg/L and 450 µg/L. To evaluate the potential anthropogenic and geologic causes of these anomalously high uranium concentrations, Rosen and others (2019) compiled water quality and...
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These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This digital dataset contains the virtual wells used for urban (municipal and industrial use) pumpage for the Central Valley Hydrologic Model (CVHM). The Central Valley encompasses an approximate 50,000 square-kilometer region of California. The complex hydrologic system of the Central Valley is simulated using the U.S. Geological Survey (USGS) numerical modeling code MODFLOW-FMP (Schmid and others, 2006). This application is referred...
Tags: Alameda County, Amador County, Butte County, CV-RASA, Calaveras County, All tags...
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
map background search result map search result map USGS Topo Map Vector Data (Vector) 1815 Auberry, California 20220508 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4388 Bliss Ranch, California 20220508 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 15326 Fish Camp, California 20220510 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 70578 Kismet, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48640 White Chief Mountain, California 20220508 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 47018 Vogelsang Peak, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7507 Cascadel Point, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7507 Cascadel Point, California 20220510 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 18212 Gravelly Ford, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26045 Little Shuteye Peak, California 20220525 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 27166 Madera, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 28782 Mendota Dam, California 20220511 for 7.5 x 7.5 minute FileGDB 10.1 Water quality and ancillary data for assessment of uranium concentrations in groundwater, San Joaquin Valley, CA (ver. 1.1, December, 2019) USGS US Topo 7.5-minute map for Chowchilla, CA 2018 USGS US Topo 7.5-minute map for Vogelsang Peak, CA 2018 US Topo 7.5-minute map for Chowchilla, CA US Topo 7.5-minute map for Horsecamp Mountain, CA US Topo 7.5-minute map for Santa Rita Bridge, CA US Topo 7.5-minute map for Shuteye Peak, CA Location of virtual wells used for urban (municipal and industrial use) pumpage in the Central Valley Hydrologic Model (CVHM) USGS Topo Map Vector Data (Vector) 1815 Auberry, California 20220508 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4388 Bliss Ranch, California 20220508 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 15326 Fish Camp, California 20220510 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 70578 Kismet, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48640 White Chief Mountain, California 20220508 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 47018 Vogelsang Peak, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7507 Cascadel Point, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7507 Cascadel Point, California 20220510 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 18212 Gravelly Ford, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26045 Little Shuteye Peak, California 20220525 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 27166 Madera, California 20220510 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 28782 Mendota Dam, California 20220511 for 7.5 x 7.5 minute FileGDB 10.1 USGS US Topo 7.5-minute map for Chowchilla, CA 2018 USGS US Topo 7.5-minute map for Vogelsang Peak, CA 2018 US Topo 7.5-minute map for Chowchilla, CA US Topo 7.5-minute map for Horsecamp Mountain, CA US Topo 7.5-minute map for Santa Rita Bridge, CA US Topo 7.5-minute map for Shuteye Peak, CA Water quality and ancillary data for assessment of uranium concentrations in groundwater, San Joaquin Valley, CA (ver. 1.1, December, 2019) Location of virtual wells used for urban (municipal and industrial use) pumpage in the Central Valley Hydrologic Model (CVHM)