107 datasets found
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Federal
Data for: A field-based model of the relationship between extirpation of salt-intolerant benthic invertebrates and background conductivity
U.S. Environmental Protection Agency —
The data is provided in 2 zip files that share site identifiers. One data set contains biological (genus benthic invertebrate) data (Data Biological.zip) and the... -
Federal
Background Specific Conductivity and Associated 5% Extirpation Estimates in Arkansas
U.S. Environmental Protection Agency —
This is a detailed pedigree of the data sets, figures, tables, and R-code for the technical support document: Background Specific Conductivity and Associated 5%... -
Federal
Calcium, magnesium and total dissolved solids data as well as modeled salinity and mass balance estimates for Lake Powell, 1952-2017
Department of the Interior —
These data were compiled to quantify the role of Lake Powell in modulating salinity and reducing overall salt flux from the Upper Colorado River Basin downstream. In... -
Federal
Hawaii Play Fairway Analysis: USGS data for Geothermal Wells in Hawaii
Department of Energy —
Aqueous chemistry and well metadata from the USGS for Geothermal Wells in Hawaii -
Federal
Data for: Estimation of field-based benchmarks from a background specific conductivity
U.S. Environmental Protection Agency —
There are 3 data sets. Two zip files contain paired biological (benthic macroinvertebrate genera) (Data Biological.zip) and water quality data (Data... -
Federal
Assessing the Impact of Overburden Materials Selection from an Appalachian Region Coal Mine in Mine Water Quality Using a Standard Columns Leaching Test
U.S. Environmental Protection Agency —
The objective of this study was to evaluate the leachate conductivity generated by overburden materials in a columns test representing the surface coal mining... -
Federal
Historical produced water chemistry data compiled for selected oil fields in Los Angeles and Orange Counties, southern California
Department of the Interior —
This digital dataset contains historical geochemical and other information for 200 samples of produced water from 182 sites in 25 oil fields in Los Angeles and Orange... -
Federal
Water-quality and streamflow datasets used in Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2017 (output data)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Historical produced water chemistry data compiled for the San Ardo Oil Field and vicinity, Monterey County, central California
Department of the Interior —
This digital dataset contains historical geochemical and other information for 271 samples of produced water from 143 sites in or near the San Ardo Oil Field in... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Polygon regions depicting saline areas of the LAPPZ
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
Federal
Input data and results of WRTDS models and seasonal rank-sum tests to determine trends in the quality of water in New Jersey streams, water years 1971-2011
Department of the Interior —
This USGS data release represents the input data used to identify trends in New Jersey streams, water years 1971-2011 and the results of Weighted Regression on Time,... -
Federal
Groundwater quality at the Falcon Refinery Superfund Site near Ingleside, Texas, January 2024
Department of the Interior —
The Falcon Refinery Superfund Site (hereinafter referred to as “the Site”) is located in San Patricio County near Ingleside, Texas. The Site occupies approximately... -
Federal
Water-quality and streamflow datasets used in Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2017 (input data)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Historical produced water chemistry data compiled for the Orcutt and Oxnard oil fields, Santa Barbara and Ventura Counties, southern California
Department of the Interior —
This digital dataset represents historical geochemical and other information for 58 sample results of produced water from 56 sites in the Orcutt and Oxnard oil fields... -
Federal
Groundwater database for a regional assessment of groundwater salinity variations and sources in the Indio Subbasin of the Coachella Valley, California (ver. 2.0, July 2025)
Department of the Interior —
Groundwater salinity presents a challenge to the management of water quality in the Indio subbasin of the Coachella Valley where a growing population is dependent... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Raster surface depicting the top of the APPZ
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
Federal
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Polygon regions depicting saline areas for the APPZ
Department of the Interior —
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of... -
Federal
Water-quality trends for rivers and streams in the Delaware River Basin using Weighted Regressions on Time, Discharge, and Season (WRTDS) models, Seasonal Kendall Trend (SKT) tests, and multisource data, Water Year 1978-2018 (input data)
Department of the Interior —
The datasets provided here are the input data used to run the Seasonal Kendall Trend (SKT) tests and Weighted Regressions on Time, Discharge, and Season (WRTDS)... -
Federal
Inorganic chemistry data for groundwater wells near selected oil fields in the southwestern San Joaquin Valley, central California
Department of the Interior —
This digital dataset contains geochemical and other information for 1,209 samples of groundwater from 343 wells located within 3-miles of the Buena Vista, Elk Hills,... -
Federal
Geochemical Database for the Brackish Groundwater Assessment of the United States: Dissolved-Solids Dataset
Department of the Interior —
Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter is an unconventional...
107 datasets found