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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
EnviroAtlas - Watershed Index Online (WSIO) Indicator Data Tables - Impaired Waters by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains information about 303(d) impairments by 12-digit HUC. It uses data that was originally compiled for the Watershed Index Online... -
Federal
EnviroAtlas - Laying Hen Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with laying hens and the number of heads they manage. The data come from the Census of... -
Federal
Valleys - US EPA Regions 1, 2, 3, 9 - 2022
U.S. Environmental Protection Agency —
Valleys, featured in the Valley Identification Tool, are locations that have a lower elevation than surrounding areas. EPA Region 1 GIS Center applied ArcGIS' Focal... -
Federal
Geographically Isolated Wetlands (Non-Floodplain Wetlands) of the Conterminous United States
U.S. Environmental Protection Agency —
This data set represents the extent and approximate location of GIWs, also known as non-floodplain wetlands (NFWs), in the conterminous United States. NWI lacustrine... -
Federal
EnviroAtlas - Predicted drinking water nitrate violations by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This map displays predicted probability of a 12-digit Hydrologic Unit (HUC12) being at risk of violating the drinking water nitrate standard. Risk is defined as there... -
Federal
EnviroAtlas - 2019 Percent Impervious Cover by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area within each 12-digit hydrologic unit code (HUC) in the conterminous United State that is impervious to... -
Federal
EJSCREEN Regions Percentiles Lookup Table--2015 Public Release
U.S. Environmental Protection Agency —
The Regions table provides percentile breaks of important EJSCREEN elements (demographic indicators and indexes, environmental indicators and indexes) at the EPA... -
Federal
EPA Facility Registry Service (FRS): Oil Capacity
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 are active oil... -
Federal
Valley Identification Tool - US EPA Regions 1, 2, 3, 9 - 2022
U.S. Environmental Protection Agency —
The Valley Identification Tool web mapping application includes Valleys (locations that are lower than surrounding areas, derived from USGS 30m DEM), population in... -
Federal
114th Congressional Districts, US, 2015, USGS National Map, SEGS
U.S. Environmental Protection Agency —
This SEGS web service contains the following map layers: 114th Congressional district boundaries. Layers are drawn at scales of 1:30 million and greater. Data used to... -
Federal
EnviroAtlas - Beef Cow Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with beef cows and the number of heads they manage. The data come from the Census of... -
Federal
EnviroAtlas - Horse Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with horses and the number of heads they manage. The data come from the Census of... -
Federal
Demographics for US Census Tracts - 2010 (American Community Survey 2006-2010 Derived Summary Tables)
U.S. Environmental Protection Agency —
This map service displays data derived from the 2006-2010 American Community Survey (ACS). Values derived from the ACS and used for this map service include: Total... -
Federal
EJSCREEN National Percentiles Lookup Table--2015 Public Release
U.S. Environmental Protection Agency —
The USA table provides percentile breaks of important EJSCREEN elements (demographic indicators and indexes, environmental indicators and indexes) at the national... -
Federal
US EPA Regional Masks Web Service, US, 2015, US EPA, SEGS
U.S. Environmental Protection Agency —
This web service contains the following map layers: masks and labels for EPA regions 1 through 10. Mask layers are drawn at all scales. Label layers draw at scales... -
Federal
EJSCREEN Indexes--2016 Public Release
U.S. Environmental Protection Agency —
EJSCREEN is an environmental justice (EJ) screening and mapping tool that provides EPA with a nationally consistent dataset and methodology for calculating "EJ... -
Federal
EJSCREEN States Percentiles Lookup Table--2015 Public Release
U.S. Environmental Protection Agency —
The States table provides percentile breaks of important EJSCREEN elements (demographic indicators and indexes, environmental indicators and indexes) at the state...