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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
Water chemistry data for samples collected at groundwater sites in the Santa Maria Valley Oil Field study area, July 2018–March 2019, Santa Barbara 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
Machine-learning model predictions and rasters of arsenic and manganese in groundwater in the Mississippi River Valley alluvial aquifer
Department of the Interior —
Groundwater from the Mississippi River Valley alluvial aquifer (MRVA) is a vital resource for agriculture and drinking-water supplies in the central United States.... -
Federal
Data compilation for regional synthesis of chemical characteristics of groundwater used for domestic supply in north-east and north-central Pennsylvania
Department of the Interior —
Groundwater quality data for 472 domestic well-water samples were retrieved from the USGS National Water Information System (NWIS) database and combined with... -
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
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
Recovery of laboratory-added, isotopically labeled surrogate compounds from 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 collected and analyzed groundwater samples and... -
Federal
Shapefile of sampling sites for the assessment of groundwater quality at selected wells throughout Puerto Rico, December 2015 to November 2016
Department of the Interior —
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... -
Federal
Field properties and results of laboratory analysis of groundwater samples collected from 79 wells in Pike County, Pennsylvania, 1982-2015
Department of the Interior —
Water-quality data for groundwater samples collected by the U.S. Geological Survey from 79 wells in Pike County, Pennsylvania, 1982-2015. Data consist of field... -
Federal
Groundwater levels and field-determined groundwater-quality characteristics from the Great Miami buried-valley aquifer, Southwestern Ohio, 1999, 2000, 2019, and 2020
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated the concentrations of per- and... -
Federal
Water-Quality Data Used in the Pecos River Salinity Assessment from Santa Rosa Lake, New Mexico to the Confluence of the Pecos River and the Rio Grande, Texas, 1900–2015
Department of the Interior —
This part of the Data Release contains the water-quality data compiled and synthesized from various sources (including data from water-quality samples collected by... -
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
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
Per- and polyfluoroalkyl substance concentrations, age estimates, redox categories, and related data for groundwater from the Great Miami buried-valley aquifer, southwestern Ohio, 2019–20
Department of the Interior —
This data release presents results of chemical analyses of groundwater sampled during summer and autumn of 2019 and spring of 2020 from 23 wells in the Great Miami... -
Federal
Redox related water-chemistry results and redox category and process classifications in samples of groundwater from the Great Miami buried-valley aquifer, southwestern Ohio, 1999, 2000, 2019, and 2020
Department of the Interior —
The U.S. Geological Survey (USGS) in cooperation with the Miami Conservancy District, Dayton, Ohio, investigated concentrations of per- and polyfluoroalkyl substances... -
Federal
Geochemical Data Supporting Analysis of Fate and Transport of Nitrogen in the Nearshore Groundwater and Subterranean Estuary near East Falmouth, Massachusetts, 2015-2016
Department of the Interior —
Geochemical data were obtained to investigate the fate and transport of nitrogen in a subterranean estuary near East Falmouth, Massachusetts. The goal of this... -
Federal
Airborne electromagnetic and magnetic survey, southwestern San Joaquin Valley near Lost Hills, California, 2016: Inverted resistivity models
Department of the Interior —
Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 along 1,443 line kilometers in the southwestern San Joaquin Valley near... -
Federal
Historical data sets including inorganic and organic chemistry of water, oil, and sediments, aquifer hydraulic conductivity, and sediment grain size distribution at the National Crude Oil Spill Fate and Natural Attenuation Research Site near Bemidji, Minnesota, USA, 1984-2010 (ver 2.0, September 2019)
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides analytical data from samples and measurements completed at the National Crude Oil Spill Fate and Natural... -
Federal
Concentrations and laboratory quality-assurance data for sulfamethoxazole and carbamazepine measured in shallow groundwater near wastewater land-application sites by using ELISA methods
Department of the Interior —
The U.S. Geological Survey, in cooperation with the Minnesota Pollution Control Agency, conducted a study to determine the occurrence of micropollutants in: (1)... -
Federal
Inverse Model Data for: Salinity trends in a groundwater system supplemented by 50 years of imported Colorado River water
Department of the Interior —
Data provided here describe the contribution of up to 7 different water sources to the major ion geochemistry of U.S. Geological Survey (USGS) and California State...