1,560 datasets found
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Federal
GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow
Department of the Interior —
This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for... -
Federal
Dataset of Helium Concentrations in United States Wells
Department of the Interior —
This dataset provides national scale location information for known, publicly available, data on helium gas concentrations, reported in mol%. The dataset was created... -
Federal
EPA Facility Registry Service (FRS): ER_TRI
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
EnviroAtlas - Percent Urban Land Cover by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the percent urban land for each 12-digit hydrologic unit code (HUC) in the conterminous United States. For the purposes of this... -
Federal
EnviroAtlas - Average Annual Precipitation 1981-2010 by HUC12 for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset provides the average annual precipitation by 12-digit Hydrologic Unit (HUC). The values were estimated from maps produced by the PRISM... -
Federal
EnviroAtlas - Atmospheric Nitrogen and Sulfur Deposition by 12-digit HUC for the Conterminous United States (2017)
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes annual nitrogen and sulfur deposition within each 12-digit HUC subwatershed for the year 2017. Values are provided for total... -
Federal
EPA Facility Registry Service (FRS): ER_TRI
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
EnviroAtlas - Percentage of Working Age Population Who Are Employed by Block Group for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the employment rate, or the percent of the population aged 16-64 who have worked in the past 12 months. The employment rate is a... -
Federal
EPA Facility Registry Service (FRS): ER_CERCLIS
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Land Cover Database
U.S. Environmental Protection Agency —
This dataset represents data derived from the NLCD dataset and the National Hydrography Dataset version 2.1(NHDPlusV2) (see Data Sources for links to NHDPlusV2 data... -
Federal
EPA Facility Registry Service (FRS): ER_TRI
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
EnviroAtlas - Fruit and vegetable crops by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes data on the area, yield, and number of fruit and vegetable crops grown per 12-digit Hydrologic Unit (HUC) in the conterminous USA.... -
Federal
Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative (ver. 12.0, December 2025)
Department of the Interior —
The geochemical data included here were generated as part of the Earth Mapping Resources Initiative (Earth MRI), which was developed by the U.S. Geological Survey... -
Federal
Shallow Coal Exploration Drill-Hole Data for Arkansas
Department of the Interior —
Shallow (300 ft or less) coal exploration drill-hole data from 692 wells located in Arkansas are provided in this data release. The well locations extend over nine... -
Federal
Sparta-Memphis aquifer well point dataset in Arkansas, January-May 2013 (ver. 1.2, June 2021)
Department of the Interior —
This dataset contains the groundwater well locations and water-level measurements for 306 wells measured during the water-level survey of the Sparta-Memphis aquifer,... -
Federal
EnviroAtlas - Public outdoor recreation areas availability and accessibility for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas map estimates the accessibility and availability of public outdoor recreational areas (e.g., urban parks, national forests) within 800m along... -
Federal
EPA Facility Registry Service (FRS): ER_FRP
U.S. Environmental Protection Agency —
This dataset contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to Facility... -
Federal
EnviroAtlas - 2020 Dasymetric Population for the Conterminous United States v1.1
U.S. Environmental Protection Agency —
This EnviroAtlas dataset intelligently reallocates 2020 population from census blocks to 30 meter pixels based on land cover and land use for the conterminous United... -
Federal
EnviroAtlas - Manure application to agricultural lands from confined animal feeding operations by 12-digit HUC for the Conterminous United States, 2006
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on the mean livestock manure application to cultivated crop and hay/pasture lands by 12-digit Hydrologic Unit (HUC) in 2006.... -
Federal
TIGER/Line Shapefile, 2023, County, Arkansas County, AR, Topological Faces (Polygons With All Geocodes)
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master...
1,560 datasets found