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Data
GIS Data
California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Boundaries and Grid Cells for Assessment of Groundwater Resources (version 3, January 2023)
Watson, E., Johnson, T.D. and Dupuy, D.I., 2023, U.S. Geological Survey data release
DOI: 10.5066/P931PZRC
Groundwater-quality data in the Coachella Valley Domestic Supply Aquifer Study Unit, 2020: Results from the California GAMA Priority Basin Project
Soldavini, A.L., Goldrath, D.A., Shelton, J.L., Johnson, T.D., and Watson, E., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9UYXI95
California Groundwater Ambient Monitoring and Assessment (GAMA) Program Shallow Aquifer Assessment Study Unit Grid Cells for Assessment of Groundwater Resources
Watson, E. and Johnson, T.D., 2021, U.S. Geological Survey data release
DOI: 10.5066/P931PZRC
Groundwater-quality data in the Northern San Joaquin Valley Domestic-Supply Aquifer Study Unit, 2019
Balkan, M., Levy, Z.F., Shelton, J.L., Johnson, T.D., and Watson, E., 2021, U.S. Geological Survey data release
DOI: 10.5066/P9Q083IB
Groundwater-quality data in the Redding-Red Bluff Shallow Aquifer Study Unit, 2018-2019: Results from the California GAMA Priority Basin Project
Shelton, J.L, Bennett, G.L., Watson, E., and Johnson, T.D., 2020, U.S. Geological Survey data release
DOI: 10.5066/P9ZKAH3O
Groundwater-Quality Data in the Mojave Basin Shallow Aquifer Study Unit, 2018: Results from the California GAMA Priority Basin Project
Groover, K.D., Goldrath, D.A., Bennett, G.L., Johnson, T.D., and Watson, E.E., 2019, U.S. Geological Survey data release
DOI: 10.5066/P9C7U6DW
Groundwater-quality data in the Sacramento Metro shallow aquifer study unit, 2017: Results from the California GAMA Priority Basin Project
Bennett, G.L., V., Shelton, J.L., Watson, E., Johnson, T.D., and Jasper, M., 2019, U.S. Geological Survey data release
DOI: 10.5066/P9BPGEGH
Johnson, T.D., Watson, E.E., and Belitz, K., 2018, U.S. Geological Survey Data Release
DOI: 10.5066/F79Z93CN
Voss, S.A., and Jurgens, B.C., 2018, U.S. Geological Survey Data Release
DOI: 10.5066/F76Q1V9G
Spatial Point Data Sets and Interpolated Surfaces of Well Construction Characteristics for Domestic and Public Supply Wells in the Central Valley, California, USA
Voss, S.A., and Jurgens, B.C., 2018, U.S. Geological Survey data release
DOI: 10.5066/F76Q1V9G
Groundwater-quality data in the Mokelumne, Cosumnes, and American River Watersheds Shallow Aquifer Study Unit, 2016-2017: Results from the California GAMA Priority Basin Project
Shelton, J.L., Fram, M.S., Goldrath, D.A., Bennett, G.L., V, and Jasper, M., 2018, U.S. Geological Survey data release
California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project Study Areas and grid cells for assessment of groundwater resources used for public drinking-water supply
Johnson, T.D., Watson, E., and Belitz, K., 2018, U.S. Geological Survey data release
DOI: 10.5066/F79Z93CN
Groundwater-quality data and ancillary data for selected wells in the San Joaquin Valley, California, 1900-2015
Hansen, J.A., Jurgens B.C., and Fram, M.S., 2018, U.S. Geological Survey data release
DOI: 10.5066/F7319T3K
Groundwater-Quality Data in the Yuba and Bear Watersheds Shallow Aquifer Study Unit, 2015-2016: Results from the California GAMA Priority Basin Project
Jasper, M., Bennett, G.L., and Fram, M.S., 2017, U.S. Geological Survey data release
DOI: 10.5066/F73F4MS9
Groundwater-Quality Data in the Tulare Shallow Aquifer Study Unit, 2014-2015: Results from the California GAMA Priority Basin Project
Bennett, G.L., V, Fram, M.S., and Johnson, T.D., 2017, U.S. Geological Survey data release
DOI: 10.5066/F7BP00W8
California Groundwater Units
Johnson, T.D., and Belitz, K., 2014, U.S. Geological Survey Data Series 796, 34 p.
DOI: 10.3133/ds796
Johnson, T.D., and Belitz, K., 2014, U.S. Geological Survey Data Series 796, 34 p.
DOI: 10.3133/ds796
Johnson, T.D., and Belitz, K., 2003, U.S. Geological Survey Open-File Report 03-470
DOI: 10.3133/ofr03470
Hydrogeologic Provinces for California based upon established groundwater basins and watershed polygons
Johnson, T.D., and Belitz, K., 2003, U.S. Geological Survey Open-File Report 2003-470
DOI: 10.3133/ofr03470
Water-Quality Data
Groundwater-quality data in the Gilroy Hollister basin and surrounding areas Domestic-Supply Aquifer Study Unit, 2022: Results from the California GAMA Priority Basin Project
Faulkner, K.E., and Dupuy, D.I., 2024, U.S. Geological Survey data release
DOI: 10.5066/P9OY3HT6
Groundwater-quality data in the Kern County Domestic-Supply Aquifer Study Unit, 2022: Results from the California GAMA Priority Basin Project
Faulkner, K.E., and Dupuy, D.I., 2023, U.S. Geological Survey data release
DOI: 10.5066/P9GGNIQI
Data for Per- and Polyfluoroalkyl Substances (PFAS) in groundwater samples collected by the California Groundwater Ambient Monitoring and Assessment Priority Basin Project, 2019-2023
Voss, S.A., Jurgens, B.C., and Kent, R.H., 2023, U.S. Geological Survey data release
DOI: 10.5066/P9ETQ00R
Pharmaceutical Data from the California Groundwater Ambient Monitoring and Assessment Priority Basin Project (GAMA-PBP) Domestic Well Groundwater Quality Studies, 2014 - 2021
Lor, V. and Stork, S.V., 2023, U.S. Geological Survey data release
DOI: 10.5066/P9OOQVDI
Groundwater-quality data in the Coachella Valley Domestic Supply Aquifer Study Unit, 2020: Results from the California GAMA Priority Basin Project
Soldavini, A.L., Goldrath, D.A., Shelton, J.L., Johnson, T.D., and Watson, E., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9UYXI95
Groundwater-quality data in the Modesto-Turlock-Merced Domestic-Supply Aquifer Study Unit, 2020-2021: Results from the California GAMA Priority Basin Project
Balkan, M., Levy, Z.F., Dupuy, D.I., Shelton, J.L., Johnson, T.D., and Watson, E., 2022, U.S. Geological Survey data release
DOI: 10.5066/P96R55KQ
Groundwater-quality data in the Butte-Sutter-Yuba Domestic-Supply Aquifer Study Unit, 2021: Results from the California GAMA Priority Basin Project
Lor, V., and Dupuy, D.I., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9RAXJTV
Generalized use classification for groundwater sites in California with publicly available water-quality data in the U.S. Geological Survey National Water Information System (NWIS) data archive
Fram, M.S., and Stork, S.V., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9IGMI7Y
Detections of Fecal Indicator Bacteria and DNA Sequencing of Selected Bacterial Growths in Samples from the Madera/Chowchilla-Kings Domestic Aquifer Study unit, 2014
Soldavini, A.L., Burton, C.A., and Lawrence, C.J., 2021, U.S. Geological Survey data release
DOI: 10.5066/P9X7JH11
Data sets for: Sampling for Per- and Polyfluoroalkyl Substances (PFAS) by the Groundwater Ambient Monitoring and Assessment Priority Basin Project (GAMA-PBP)
Kent, R.H., 2021, U.S. Geological Survey data release
DOI: 10.5066/P92IPRJD
Groundwater-quality data in the Northern San Joaquin Valley Domestic-Supply Aquifer Study Unit, 2019
Balkan, M., Levy, Z.F., Shelton, J.L., Johnson, T.D., and Watson, E., 2021, U.S. Geological Survey data release
DOI: 10.5066/P9Q083IB
Blank results for trace-element data collected for the California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project, October 2009-October 2018
Bennett, G.L., 2020, U.S. Geological Survey data release
DOI: 10.5066/P9TRFPUO
Pesticide constituent data from the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP), August 2013 - May 2018, schedule 2437 constituents
Fram, M.S., 2020, U.S. Geological Survey data release
DOI: 10.5066/P9IYH6ZY
Groundwater-quality data in the Redding-Red Bluff Shallow Aquifer Study Unit, 2018-2019: Results from the California GAMA Priority Basin Project
Shelton, J.L, Bennett, G.L., Watson, E., and Johnson, T.D., 2020, U.S. Geological Survey data release
DOI: 10.5066/P9ZKAH3O
Sucralose Concentrations in Groundwater in California's Sacramento Valley Shallow Aquifer System
Voss, S.A., Miller-Schulze, J., and De Parsia, E.R., 2019, U.S. Geological Survey data release
DOI: 10.5066/P9GNEQX1
Pesticide Constituent Data from the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP), 2004 - 2018
Lor, V., Balkan, M., and Stork, S.V., 2019, U.S. Geological Survey data release
DOI: 10.5066/P9344TOS
Dissolved Noble Gas Concentrations and Modeled Recharge Temperatures for Groundwater from Northern Sierra Nevada Foothills Shallow Aquifer Assessment Study Units, 2015-2017: Results from the California GAMA Priority Basin Project
Levy, Z.F., and Faulkner, K.E., 2019, U.S. Geological Survey data release
DOI: 10.5066/P9YETK9P
Groundwater-Quality Data in the Mojave Basin Shallow Aquifer Study Unit, 2018: Results from the California GAMA Priority Basin Project
Groover, K.D., Goldrath, D.A., Bennett, G.L., Johnson, T.D., and Watson, E.E., 2019, U.S. Geological Survey data release
DOI: 10.5066/P9C7U6DW
Groundwater-quality data in the Sacramento Metro shallow aquifer study unit, 2017: Results from the California GAMA Priority Basin Project
Bennett, G.L., V., Shelton, J.L., Watson, E., Johnson, T.D., and Jasper, M., 2019, U.S. Geological Survey data release
DOI: 10.5066/P9BPGEGH
Groundwater-quality data in the Mokelumne, Cosumnes, and American River Watersheds Shallow Aquifer Study Unit, 2016-2017: Results from the California GAMA Priority Basin Project
Shelton, J.L., Fram, M.S., Goldrath, D.A., Bennett, G.L., V, and Jasper, M., 2018, U.S. Geological Survey data release
Groundwater-quality data and ancillary data for selected wells in the San Joaquin Valley, California, 1900-2015
Hansen, J.A., Jurgens B.C., and Fram, M.S., 2018, U.S. Geological Survey data release
DOI: 10.5066/F7319T3K
Groundwater-quality data for the Madera/Chowchilla-Kings shallow aquifer study unit, 2013-14: Results from the California GAMA Program
Shelton, J.L., and Fram, M.S., 2017, U.S. Geological Survey Data Series 1019
DOI: 10.3133/ds1019
Groundwater-Quality Data in the Yuba and Bear Watersheds Shallow Aquifer Study Unit, 2015-2016: Results from the California GAMA Priority Basin Project
Jasper, M., Bennett, G.L., and Fram, M.S., 2017, U.S. Geological Survey data release
DOI: 10.5066/F73F4MS9
Groundwater-quality data in 12 GAMA study units: Results from the 2006-10 initial sampling period and the 2008-13 trend sampling period, California GAMA Priority Basin Project
Mathany, T.M., 2017, U.S. Geological Survey Data Series Report 1038
DOI: 10.3133/ds1038
Groundwater-Quality Data in the Tulare Shallow Aquifer Study Unit, 2014-2015: Results from the California GAMA Priority Basin Project
Bennett, G.L., V, Fram, M.S., and Johnson, T.D., 2017, U.S. Geological Survey data release
DOI: 10.5066/F7BP00W8
Groundwater-quality data in the Monterey-Salinas shallow aquifer study unit, (ver. 1.1, January 2017): Results from the California GAMA Program
Goldrath, D.A., Kulongoski, J.T., and Davis, T.A., 2015, U.S. Geological Survey Data Series 987, 132 p.
DOI: 10.3133/ds987
Groundwater quality data in 15 GAMA study units: Results from the 2006-10 initial sampling and the 2009-13 resampling of wells, California GAMA Priority Basin Project
Kent, Robert, 2015, U.S. Geological Survey Data Series 919, 219 p.
DOI: 10.3133/ds919
Status and Understanding of Groundwater Quality in the Sierra Nevada Regional Study Unit, 2008: California GAMA Priority Basin Project
Fram, M.S., and Belitz, K., 2014, U.S. Geological Survey Scientific Investigations Report 2014-5174, 118 p.
DOI: 10.3133/sir20145174
Groundwater-quality data in the Klamath Mountains study unit, 2010: Results from the California GAMA Program
Mathany, T.M., and Belitz, Kenneth, 2014, U.S. Geological Survey Data Series 803, 82 p.
DOI: 10.3133/ds803
Groundwater-quality data in seven GAMA study units: Results from initial sampling, 2004-2005, and resampling, 2007-2008, of wells: California GAMA Program Priority Basin Project
Kent, Robert, Belitz, Kenneth, and Fram, M.S., 2014, U.S. Geological Survey Data Series 795, 170 p.
DOI: 10.3133/ds795
Groundwater-quality data in the Santa Cruz, San Gabriel, and Peninsular Ranges Hard Rock Aquifers study unit, 2011-2012: Results from the California GAMA Program
Davis, T.A., and Shelton, J.L., 2014, U.S. Geological Survey Data Series 874, 142 p.
DOI: 10.3133/ds874
Groundwater-quality data in the North San Francisco Bay Shallow Aquifer study unit, 2012: Results from the California GAMA Program
Bennett, G.L.,V, and Fram, M.S., 2014, U.S. Geological Survey Data Series 865, 94 p.
DOI: 10.3133/ds865
Groundwater-quality data in the Cascade Range and Modoc Plateau study unit, 2010: Results from the California GAMA Program
Shelton, J.L., Fram, M.S., and Belitz, Kenneth, 2013, U.S. Geological Survey Data Series 688, 124 p.
DOI: 10.3133/ds688
Groundwater-quality data in the Western San Joaquin Valley study unit, 2010: Results from the California GAMA Program
Mathany, T.M., Landon, M.K., Shelton, J.L., and Belitz, Kenneth, 2013, U.S. Geological Survey Data Series 706, 102 p.
DOI: 10.3133/ds706
Groundwater-quality data in the Bear Valley and Selected Hard Rock Areas study unit, 2010: Results from the California GAMA Program
Mathany, T.M., and Belitz, Kenneth, 2013, U.S. Geological Survey Data Series 747, 86 p.
DOI: 10.3133/ds747
Groundwater-quality data in the Santa Barbara study unit, 2011: Results from the California GAMA Program
Davis, T.A., Kulongoski, J.T., and Belitz, Kenneth, 2013, U.S. Geological Survey Data Series 742, 72 p.
DOI: 10.3133/ds742
Groundwater-quality data in the Borrego Valley, Central Desert, and Low-Use Basins of the Mojave and Sonoran Deserts study unit, 2008-2010: Results from the California GAMA Program
Mathany, T.M., Wright, M.T., Beuttel, B.S., and Belitz, Kenneth, 2012, U.S. Geological Survey Data Series 659, 100 p.
DOI: 10.3133/ds659
Groundwater-quality data in the northern Coast Ranges study unit, 2009: Results from the California GAMA Program
Mathany, T.M., Dawson, B.J., Shelton, J.L., and Belitz, Kenneth, 2011, U.S. Geological Survey Data Series 609, 92 p.
DOI: 10.3133/ds609
Groundwater-Quality Data in the South Coast Range-Coastal Study Unit, 2008: Results from the California GAMA Program
Mathany, T.M., Burton, C.A., Land, M., and Belitz, K., 2010, U.S. Geological Survey Data Series 504, 106 p.
DOI: 10.3133/ds504
Groundwater-quality data for the Sierra Nevada study unit, 2008: Results from the California GAMA program
Shelton, J.L., Fram, M.S., Munday, C.M., and Belitz, K., 2010, U.S. Geological Survey Data Series 534, 82 p.
DOI: 10.3133/ds534
Groundwater-quality data in the Colorado River study unit, 2007: Results from the California GAMA program
Goldrath, D.A., Wright, M.T., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 474, 66 p.
DOI: 10.3133/ds474
Groundwater-quality data in the Antelope Valley study unit, 2008: Results from the California GAMA program
Schmitt, S.J., Milby Dawson, B.J., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 479, 79 p.
DOI: 10.3133/ds479
Ground-water quality data in the San Francisco Bay study unit, 2007: Results from the California GAMA program
Ray, M.C., Kulongoski, J.T., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 396, 92 p.
DOI: 10.3133/ds396
Ground-water quality data in the Santa Clara River Valley study unit, 2007: Results from the California GAMA Program:
Montrella, Joseph, and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 408, 84 p.
Groundwater-quality data in the South Coast Interior Basins study unit, 2008: Results from the California GAMA program
Mathany, T.M., Kulongski, J.T., Ray, M.C., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 463, 82 p.
DOI: 10.3133/ds463
Ground-water quality data in the Upper Santa Ana Watershed Study Unit, November 2006 to March 2007: Results from the California GAMA Program
Kent, Robert, and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 404, 116 p.
DOI: 10.3133/ds404
Ground-water quality data in the Coachella Valley study unit, 2007: Results from the California GAMA Program
Goldrath, Dara, Wright, Michael T., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 373, 70 p.
DOI: 10.3133/ds373
Groundwater quality data for the Tahoe-Martis study unit, 2007: Results from the California GAMA Program
Fram, M.S., Munday, Cathy, and Belitz, Kenneth, 2009, U.S. Geological survey Data Series 432, 88 p.
DOI: 10.3133/ds432
Groundwater quality data in the northern Sacramento Valley, 2007: Results from the California GAMA program
Bennett, P.A., Bennett, G.L., V, Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 452, 90 p.
DOI: 10.3133/ds452
Ground-Water Quality Data in the Coastal Los Angeles Basin Study Unit, 2006: Results from the California GAMA Program
Mathany, T.M., Land, M., and Belitz, K., 2009, U.S. Geological Survey Data Series 387
DOI: 10.3133/ds387
Groundwater quality data in the Mojave study unit, 2008: Results from the California GAMA Program
Mathany, T.M., and Belitz, K., 2009, U.S. Geological Survey Data Series 440, 81 p.
DOI: 10.3133/ds440
Groundwater-quality data for the Madera-Chowchilla study unit, 2008: Results from the California GAMA program
Shelton, J.L., Fram, M.S., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 455, 80 p.
DOI: 10.3133/ds455
Ground-water quality data in the Owens and Indian Wells Valleys study unit, 2006: Results from the California GAMA program
Densmore, J.N., Fram, M.S., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 427, 86 p.
DOI: 10.3133/ds427
Ground-Water Quality Data in the Kern County Subbasin Study Unit, 2006: Results from the California GAMA Program
Shelton, J.L., Pimentel, I., Fram, M.S. and Belitz, K., 2008, U.S. Geological Survey Data Series 337, 75 p.
DOI: 10.3133/ds337
Ground-water quality data in the middle Sacramento Valley study unit, 2006: Results from the California GAMA program
Schmitt, S.J., Fram, M.S., Milby Dawson, B.J., Belitz, K., 2008, U.S. Geological Survey Data Series 385, 100 p.
DOI: 10.3133/ds385
Ground-Water Quality Data in the Central Eastside San Joaquin Basin 2006: Results from the California GAMA Program
Landon, M.K., and Belitz, K., 2008, U.S. Geological Survey Data Series 325
DOI: 10.3133/ds325
Ground-Water Quality Data in the San Fernando-San Gabriel Study Unit, 2005: Results from the California GAMA Program
Land, M. and Belitz, K., 2008, U.S. Geological Survey Data Series 356
DOI: 10.3133/ds356
Ground-Water Quality Data in the Central Sierra Study Unit, 2006: Results from the California GAMA Program
Ferrari, M.J., Fram, M.S., and Belitz, K., 2008, U.S. Geological Survey Data Series 335
DOI: 10.3133/ds335
Ground-Water Quality Data in the Southern Sacramento Valley, California, 2005: Results from the California GAMA Program
Milby Dawson, B.J., Bennett V, G.L., and Belitz, K., 2008, U.S. Geological Survey Data Series 285
DOI: 10.3133/ds285
Ground-Water Quality Data in the Southeast San Joaquin Valley, 2005-2006: Results from the California GAMA Program
Burton, C.A., and Belitz, K., 2008, U.S. Geological Survey Data Series 351
DOI: 10.3133/ds351
Ground-water quality data in the Monterey Bay and Salinas Valley Basins, California, 2005: results from the California GAMA Program
Kulongoski, J.T. and Belitz, K., 2007, U.S. Geological Survey Data Series 258
DOI: 10.3133/ds258
Ground-water quality data in the Southern Sierra study unit, 2006: Results from the California GAMA program
Fram, M.S. and Belitz, K., 2007, U.S. Geological Survey Data Series 301
DOI: 10.3133/ds301
California GAMA Program: Ground-Water Quality Data in the Northern San Joaquin Basin Study Unit, 2005
Bennett V, G.L., Belitz, K., and Milby Dawson, B.J., 2006, U.S. Geological Survey Data Series 196
DOI: 10.3133/ds196
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
Kulongoski, J.T., Belitz, Kenneth, and Dawson, B.J., 2006, U.S. Geological Survey Data Series Report 167, 100 p.
DOI: 10.3133/ds167
California GAMA Program: Ground-Water Quality Data in the San Diego Drainages Hydrogeologic Province, California, 2004
Wright, M.T., Belitz, K., and Burton, C.A., 2005, U.S. Geological Survey Data Series 129
DOI: 10.3133/ds129
Report Dataset
Groundwater-Quality Time-Series Analyses and Potential Explanatory Factors of Drought-Response Patterns at Public-Supply Wells, San Joaquin Valley, California, 2000-2022
Levy, Z.F., 2024, U.S. Geological Survey data release
DOI: 10.5066/P1QXC3YS
Predictions of PFAS Occurrence in Groundwater at the Depth of Drinking Water Supplies in the Conterminous United States: Data and Model Archive
Tokranov, A.K., Bexfield, L.M., Ransom, K.M., Kingsbury, J.A., Fram, M.S., Lindsey, B.D., Watson, E., Dupuy, D.I., Voss, S.A., Jurgens, B.C., Stackelberg, P.E., Beaty, D.A., Smalling, K.L., and Bradley, P.M., 2024, U.S. Geological Survey data release
Groundwater-quality data in the Kern County Domestic-Supply Aquifer Study Unit, 2022: Results from the California GAMA Priority Basin Project
Faulkner, K.E., and Dupuy, D.I., 2023, U.S. Geological Survey data release
DOI: 10.5066/P9GGNIQI
Groundwater-quality data in the Modesto-Turlock-Merced Domestic-Supply Aquifer Study Unit, 2020-2021: Results from the California GAMA Priority Basin Project
Balkan, M., Levy, Z.F., Dupuy, D.I., Shelton, J.L., Johnson, T.D., and Watson, E., 2022, U.S. Geological Survey data release
DOI: 10.5066/P96R55KQ
Groundwater-quality data in the Butte-Sutter-Yuba Domestic-Supply Aquifer Study Unit, 2021: Results from the California GAMA Priority Basin Project
Lor, V., and Dupuy, D.I., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9RAXJTV
Data for assessing the penetration depth post-1950s water in the Central Valley aquifer system, California (July 2022)
Faulkner, K.E., and Jurgens, B.C., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9CL07RX
Water Quality data compiled for Groundwater development leads to decreasing arsenic concentrations in the San Joaquin Valley, California
Haugen, E.A., and Arroyo-Lopez, J.A., 2021, U.S. Geological Survey data release
DOI: 10.5066/P9OZ50BM
Potential Explanatory factors for Groundwater Quality in the Northern Sierra Nevada Foothills Domestic-Aquifer Assessment Study Units, 2015-2017: California GAMA Priority Basin Project
Levy, Z.F., 2020, U.S. Geological Survey data release
DOI: 10.5066/P9Z3O812
Water quality and ancillary data for assessment of uranium concentrations in groundwater, San Joaquin Valley, CA (ver. 1.1, December, 2019)
Fram, M.S., 2019, U.S. Geological Survey data release
DOI: 10.5066/P94ME8S6
Data sets for: Variations on a method for evaluating decadal-scale changes in the groundwater quality of two GAMA coastal study units 2004-2014, California GAMA Priority Basin Project
Kent, R.H., 2018, U.S. Geological Survey data release
DOI: 10.5066/F7GH9GF5
Well Information
Data sets for: Status of Water Quality in Groundwater Resources Used for Drinking-Water Supply in the Southeastern San Joaquin Valley, 2013-2015 - California GAMA Priority Basin Project
Balkan, M., Burow, K.R., Shelton, J.L., and Fram, M.S., 2024, U.S. Geological Survey data release
Generalized use classification for groundwater sites in California with publicly available water-quality data in the U.S. Geological Survey National Water Information System (NWIS) data archive
Fram, M.S., and Stork, S.V., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9IGMI7Y
Compilation of Public-Supply Well Construction Depths in California
Levy, Z.F., and Borkovich, J.G., 2022, U.S. Geological Survey data release
DOI: 10.5066/P90OHVIC
Potential Explanatory Variables for Groundwater Quality in the Redding-Red Bluff Shallow Aquifer Assessment Study Unit, 2018-2019: California GAMA Priority Basin Project
Harkness, J.S., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9XQIWRU
Potential Explanatory Factors for Groundwater Quality in the Sacramento Metropolitan Domestic-Supply Aquifer Study Unit, 2017: California GAMA Priority Basin Project
Bennett V, G.L., 2022, U.S. Geological Survey data release
DOI: 10.5066/P9H4P0XF
Water use information for sites sampled by the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP), 2004-2021 (ver. 3.0, October 2023)
Stork, S.V., and Fram, M.S., 2021, U.S. Geological Survey data release
DOI: 10.5066/P9EHLFZM
Attributed California Water Supply Well Completion Report Data for Selected Areas, Derived from CA WCR OSCWR Data (ver. 4.0, September 2024)
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