181 datasets found
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Federal
Water chemistry data for samples collected at groundwater sites near the Orcutt Oil Field, September 2017–March 2018, Santa Barbara County, California
Department of the Interior —
In cooperation with the California State Water Resources Control Board Oil and Gas Regional Groundwater Monitoring Program the U.S. Geological Survey collected and... -
Federal
Model Archive for an Impulse Response Emulator of Groundwater Contaminant Transport Models
Department of the Interior —
This archive contains the code and other files to demonstrate the creation and application of an impulse-response emulator for process-based groundwater flow and... -
Federal
Chemical Data From 40 Years of Monitoring a Treated-Wastewater Groundwater Plume in a Sand and Gravel Aquifer, Cape Cod, Massachusetts, 1978-2018 (ver. 1.1, April 2025)
Department of the Interior —
This U.S. Geological Survey data release provides a comprehensive dataset of water-quality data and sampling-site characteristics collected in 1978–2018 during a... -
Federal
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
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 33 wells used for domestic and small system drinking water supplies in Santa Clara and San Benito... -
Federal
Water chemistry data for samples collected at groundwater and surface water sites in the Elk Hills study area, June 2017–April 2018, Kern County, California
Department of the Interior —
The California State Water Resources Control Board (State Water Board) initiated the Oil and Gas Regional Monitoring Program (RMP) to assess effects of oil and gas... -
Federal
Datasets for assessing the impact of drought on arsenic exposure from private domestic wells in the conterminous United States
Department of the Interior —
Documented in this data release are data used to model and map the probability of arsenic being greater than 10 micrograms per liter in private domestic wells... -
Federal
Data from Decadal Change in Groundwater Quality Web Site, 1988-2018
Department of the Interior —
Evaluating Decadal Changes in Groundwater Quality: Groundwater-quality data were collected from 5,000 wells between 1988-2001 (first decadal sampling event) by the... -
Federal
Pharmaceutical Data from the California Groundwater Ambient Monitoring and Assessment Priority Basin Project (GAMA-PBP) Domestic Well Groundwater Quality Studies, 2014 - 2021
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 537 domestic wells for pharmaceutical compounds between 2014 and 2021 from 9 different study units.... -
Federal
Groundwater data and age information from samples collected in Minnesota, 1996-1997
Department of the Interior —
Groundwater age distributions and susceptibility to natural and anthropogenic contaminants were assessed for selected wells across Minnesota. The data provide... -
Federal
Water-Quality Data in and near Groundwater Flow-Through Kettle-Hole Lakes, Western Cape Cod, Massachusetts, 2003 - 2018
Department of the Interior —
This U.S. Geological Survey (USGS) data release provides a comprehensive dataset of water-quality results, physical-parameter measurements, hydrologic measurements,... -
Federal
Frequency domain electromagnetic (FDEM) geophysical data collected near Lake Placid, NY
Department of the Interior —
This data release contains frequency domain electromagnetic (FDEM) data collected during discrete times between July 2019 to October 2022 near Lake Placid, NY as part... -
Federal
Groundwater Quality Monitoring Network Wells at Badger Army Ammunition Plant, Wisconsin, 2000 - 2018
Department of the Interior —
This dataset describes groundwater quality monitoring wells in the vicinity of the Badger Army Ammunition Plant in Sauk County, Wisconsin, and information associated... -
Federal
Reporting and detection limits for analyses of per- and polyfluoroalkyl substances in quality-control samples and in groundwater samples from the Great Miami buried-valley aquifer, southwestern Ohio, 2019–20
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated concentrations of per- and... -
Federal
Optical Petrography, Bulk Chemistry, Micro-scale Mineralogy/Chemistry, and Bulk/Micron-Scale Solid-Phase Speciation of Natural and Synthetic Solid Phases Used in Chromium Sequestration and Re-oxidation Experiments with Sand and Sediment from Hinkley, CA
Department of the Interior —
This data release contains macro and microscale datasets describing the abundance, valence states, and mineral residence(s) of chromium, iron, and manganese in... -
Federal
2,4-DNT Plume Boundaries
Department of the Interior —
This dataset describes plume boundary extents for 2,4-dinitrotoluene (2,4-DNT) in the vicinity of the Badger Army Ammunition Plant in Sauk County, Wisconsin for... -
Federal
Reconnaissance of Per- and Polyfluoroalkyl Substances (PFAS) in Selected Groundwater and Surface Water Sites in McHenry County, Illinois, 2020
Department of the Interior —
Data were collected at 19 groundwater monitoring wells and 3 surface water locations across McHenry County, Illinois, in 2020 by staff from the U.S. Geological Survey... -
Federal
Prediction grids of pH for the Mississippi River Valley Alluvial and Claiborne Aquifers
Department of the Interior —
Groundwater is a vital resource to the Mississippi embayment region of the central United States. Regional and integrated assessments of water availability that link... -
Federal
Water chemistry data for samples collected at groundwater and surface-water sites near the Lost Hills and Belridge oil fields, November 2016-September 2017, Kern County, California (ver. 2.0, April 2019)
Department of the Interior —
An investigation was done by the U.S. Geological Survey, in cooperation with the California State Water Resources Control Board's Program of Regional Groundwater... -
Federal
Specific conductance and other groundwater quality data, Siskiyou Pass area, southwestern Oregon, 2018 to 2021
Department of the Interior —
Specific conductance (SC), estimated chloride (Cl), and other major ion data sets used in an analysis of the extent to which deicer applications affect groundwater... -
Federal
Bacteria, nutrients, and contaminants of emerging concern in shallow groundwater of nearshore environments, Suffolk County, New York, 2013
Department of the Interior —
Onsite wastewater disposal systems (OWDS) in coastal regions of Long Island, New York, contribute bacteria, nutrients, and organic wastewater-associated compounds...
181 datasets found