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Hydrologic and geochemical data and models supporting integrated evaluation...
This child item of the data release contains geochemical and environmental-tracer model inputs, outputs, model results, and a full model archive (model code). Dataset includes... -
Arsenic, manganese, and pH groundwater quality data, selected well...
This data release contains groundwater-quality data for three parameters of interest (arsenic, manganese, and pH) and well information for sample sites for aquifers in the... -
Prediction grids of pH for the Mississippi River Valley Alluvial and...
Groundwater is a vital resource to the Mississippi embayment region of the central United States. Regional and integrated assessments of water availability that link physical... -
Data for Groundwater-Quality and Select Quality-Control Data for the...
Groundwater samples were collected from 60 public supply wells in the Colorado Plateaus principal aquifer. Water quality evaluations of groundwater for drinking water at public... -
Time Series Electromagnetic Induction-Log Datasets, Including Logs Collected...
Time series electromagnetic induction-log (TSEMIL) datasets are collected from polyvinyl chloride (PVC) cased or uncased monitoring wells to evaluate changes in water... -
Data used to model and map manganese in the Northern Atlantic Coastal Plain...
Data used to model and map manganese concentrations in groundwater in the Northern Atlantic Coastal Plain (NACP) aquifer system, eastern USA, are documented in this data... -
Produced water chemistry data collected from the Orcutt Oil Field, 2018,...
The U.S. Geological Survey (USGS) in cooperation with the California State Water Resources Control Board collected produced water and casing gas samples from oil wells and... -
Data from Decadal Change in Groundwater Quality Web Site, 1988-2016
Evaluating Decadal Changes in Groundwater Quality: Groundwater quality data were collected from 5,000 wells between 1988-2001 by the National Water-Quality Assessment Project.... -
Data from Decadal Change in Groundwater Quality Web Site, 1988-2014, Version 2.0
Evaluating Decadal Changes in Groundwater Quality: Groundwater quality data were collected from 5,000 wells between 1988-2001 (first sampling event) by the U.S. Geological... -
Hydrologic and Geochemical Data and Models Supporting Integrated Evaluation...
The Captain Jack Superfund site near Ward, Colorado hosts extensive interconnected underground mine workings, which drain via the Big Five Adit. Drainage from the adit has... -
Shapefile of sampling sites for the assessment of groundwater quality at...
This point shapefile contains the location of the sites used in a sampling program to assess the water quality at selected wells throughout Puerto Rico. The sampling was... -
Iron concentration rasters of groundwater in the Mississippi River Valley...
Groundwater is a vital resource in the Mississippi embayment physiographic region (Mississippi embayment) of the central United States and can be limited in some areas by high... -
Arsenic, manganese, and pH groundwater quality data, selected well...
This data release contains groundwater-quality data for three parameters of interest (arsenic, manganese, and pH) and well information for sample sites for aquifers in the... -
TCE Plume Boundaries
This dataset describes plume boundary extents for trichloroethene (TCE) in the vicinity of the Badger Army Ammunition Plant in Sauk County, Wisconsin for various time intervals... -
Airborne electromagnetic and magnetic survey data, southeastern San Joaquin...
Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 over a total distance of 262 line kilometers in the southeastern San Joaquin Valley... -
CTET Plume Boundaries
This dataset describes plume boundary extents for carbon tetrachloride (CTET) in the vicinity of the Badger Army Ammunition Plant in Sauk County, Wisconsin for various time... -
Statistical summaries of simulated groundwater residence times for the 10...
Groundwater residence times were simulated for the major regional aquifers of the Northern Atlantic Coastal Plain aquifer system from New York to North Carolina using particle... -
San Pedro River Aquifer Data Release - Transboundary Aquifer Assessment...
This is a release of data presented in the report "Binational Study of the Transboundary San Pedro Aquifer", Callegary and others, 2016: Callegary, J.B., Minjárez Sosa, I.,... -
Blank results for trace-element data collected for the California...
Groundwater samples have been collected in California as part of statewide investigations of groundwater quality conducted by the U.S. Geological Survey for the Groundwater... -
Time Series Electromagnetic Induction-Log Datasets, Including Logs Collected...
Time series electromagnetic induction-log (TSEMIL) datasets are collected from polyvinyl chloride (PVC) cased or uncased monitoring wells to evaluate changes in water...