197 datasets found
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Federal
Pesticide, organic-contaminant, and wastewater-indicator results for passive samplers deployed in surface water and groundwater in Hawaiʻi, 2015–19
Department of the Interior —
The U.S. Geological Survey (USGS) deployed passive samplers at surface-water and groundwater sites on the Hawaiian Islands of Kauaʻi, Oʻahu, Maui, and Hawaiʻi for... -
Federal
Concentrations and laboratory quality-assurance data for six unregulated contaminants measured in source and finished drinking-water samples collected from public water supply facilities throughout Minnesota by using ELISA and MS-based analytical methods
Department of the Interior —
The U.S. Geological Survey, in cooperation with the Minnesota Department of Health, conducted a study to determine the occurrence of six unregulated contaminants in... -
Federal
Water chemistry data for samples collected at groundwater sites in the Midway-Sunset and Buena Vista Oil Fields study area, March 2018–April 2019, 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
Geochemical, geological, and geophysical data for wells in the Poso Creek Oil Field area, Kern County, California (ver. 2.0, September 2021)
Department of the Interior —
The U.S. Geological Survey (USGS) in cooperation with the California State Water Resources Control Board and the U.S. Bureau of Land Management compiled and analyzed... -
Federal
Ground-based frequency domain electromagnetic (FDEM) data from the Illinois River Basin in support of the USGS Next Generation Water Observing System (NGWOS)
Department of the Interior —
This data release contains frequency domain electromagnetic (FDEM) geophysical data collected in fields and forests near and along the banks of the Kankakee River... -
Federal
MODFLOW-NWT, MODPATH, and MT3DMS models used to study of hypothetical horizontal water-supply well design for New Hampshire and surrounding regions: U.S. Geological Survey data release
Department of the Interior —
A series of three-dimensional, hypothetical, groundwater models (MODFLOW-NWT) were developed to investigate the effects of a variety of factors on the flow of... -
Federal
Groundwater Quality Data from Central New York and the Upper Hudson River Basin, New York, 2022
Department of the Interior —
This data release contains analytical results from 52 groundwater samples and six quality assurance and quality control samples collected from central New York and... -
Federal
Groundwater water-quality data for select constituents in Williston Basin, Montana, North Dakota, and South Dakota for water years 1970-2014.
Department of the Interior —
The groundwater, surface water, and lake water-quality data were compiled from Water Quality Portal (https://www.waterqualitydata.us/) (National Water Quality... -
Federal
Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018
Department of the Interior —
Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States:... -
Federal
Data from Decadal Change in Groundwater Quality Web Site, 1988-2012
Department of the Interior —
Groundwater quality data were collected in 5,000 wells between 1988-2001 by the National Water-Quality Assessment Project. About 1,500 of these wells were sampled... -
Federal
Data from Decadal Change in Groundwater Quality Web Site, 1988-2016
Department of the Interior —
Evaluating Decadal Changes in Groundwater Quality: Groundwater quality data were collected from 5,000 wells between 1988-2001 by the National Water-Quality Assessment... -
Federal
Groundwater-quality data and ancillary data for selected wells in the San Joaquin Valley, California, 1900-2015
Department of the Interior —
This report provides a full digitization of historic groundwater-quality and depth-to-water data from Mendenhall and others (1916) Water Supply Paper 398, “Ground... -
Federal
Multivariate regression model for predicting oxygen reduction rates in groundwater for the State of Wisconsin
Department of the Interior —
A multivariate regression model was developed to predict zero-order oxygen reduction rates (mg/L/yr) in aquifers across the State of Wisconsin. The model used a... -
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
Machine-learning model predictions and groundwater-quality rasters of chloride in aquifers of the Mississippi Embayment
Department of the Interior —
Groundwater is a vital resource in the Mississippi embayment of the central United States. An innovative approach using machine learning (ML) was employed to predict... -
Federal
Analyses of Select Organic and Inorganic Data Collected from Lysimeters Installed at the Bemidji Crude Oil Spill Site, Minnesota, 2018, 2019, 2021
Department of the Interior —
The U.S. Geological Survey (USGS) collected porewater samples from nine suction lysimeters in 2018, 2019, and 2021 for analysis of organic and inorganic constituents... -
Federal
Data Sets from the National Crude Oil Spill Fate and Natural Attenuation Research Site near Bemidji, Minnesota, USA (ver. 4.0, September 2025)
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides data from samples and measurements completed at the National Crude Oil Spill Fate and Natural Attenuation... -
Federal
Toxicity Assay Data for Groundwater Contaminated by Petroleum Hydrocarbons near Bemidji, MN (2018)
Department of the Interior —
Groundwater samples were collected in June 2018 from a background (reference) well located 200 m upgradient from the source and five wells along a flowline in the... -
Federal
Groundwater Quality in the Lake Champlain and Susquehanna River Basins, New York, 2019
Department of the Interior —
From July to November 2019, 48 environmental samples and four quality assurance and quality control samples were collected throughout the Lake Champlain and... -
Federal
Extent of Artesian Conditions in San Joaquin Valley, CA in 1910
Department of the Interior —
Depth-to-water data in the San Joaquin Valley, CA were collected in 1910 and published in Mendenhall and others, 1916. These data were used to create a depth-to-water...
197 datasets found