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Federal
Vessel Operating Units (Vessels) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains data for vessels that are greater than five net tons and have a current US Coast Guard documentation number. Beginning in1979, the NMFS... -
Federal
EnviroAtlas - 2019 Land Cover Proportions by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area that is classified as natural, forest, wetland, agricultural, and developed land cover using the 2019... -
Federal
EnviroAtlas - NHDPlus V2 WBD Snapshot, EnviroAtlas version - Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is a digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the conterminous United States, based on the January... -
Federal
High Tide Flooding Products from NOAA CO-OPS recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
High tide flooding is the overflow or excess accumulation of water that covers typically dry coastal land and occurs during high tides. As relative sea levels rise,... -
Federal
EnviroAtlas - 2016 Percent Tree Canopy Cover by 12-digit HUC for the Conterminous United States recent views
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 States (CONUS) that is... -
Federal
EnviroAtlas Community Block Group Metrics Web Service recent views
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This web service includes... -
Federal
EnviroAtlas - Dasymetric Population for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset intelligently reallocates 2010 population from census blocks to 30 meter pixels based on land cover and slope. This dataset was produced by... -
Federal
EnviroAtlas - NatureServe Analysis of Imperiled or Federally Listed Species by HUC-12 for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes analysis by NatureServe of species that are Imperiled (G1/G2) or Listed under the U.S. Endangered Species Act (ESA) by 12-digit... -
Federal
US EPA Nonattainment Areas and Designations recent views
U.S. Environmental Protection Agency —
This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard),... -
Federal
EnviroAtlas - Candidate Areas for Ecological Restoration for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the candidate areas for ecological restoration, identified as close but geographically disjunct vegetated regions. Ecological... -
Federal
EnviroAtlas - Selected National Air Toxics Assessment Results by County - 2014 recent views
U.S. Environmental Protection Agency —
These layers are a selection of the National Air Toxics Assessment (NATA) 2014 estimates of ambient concentrations and health-effect results by 2010 counties. The... -
Federal
NOAA Shoreline Website recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The original intent of this site was to alleviate confusion about shorelines generated by National Oceanic and Atmospheric Administration (NOAA) agencies. However,... -
Federal
EnviroAtlas - 2016 Floodplain Land Cover Proportions for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area in estimated floodplains that is classified as natural, forest, shrubland, wetland, developed, low... -
Federal
EnviroAtlas - 2011 Agricultural Land Cover on Steep Slopes for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage land area that is classified as agricultural land cover that occurs on slopes above a given threshold for each... -
Federal
EnviroAtlas - Watershed Index Online Riparian Zone Mask for the Conterminous United States recent views
U.S. Environmental Protection Agency —
The Riparian Zone Mask represents surface water in the United States and its estimated riparian zone. These areas were determined using grid analysis of an... -
Federal
National Status and Trends: Mussel Watch Program recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Mussel Watch is the longest running continuous chemical contaminant monitoring program in U.S. coastal and Great Lakes waters and was created in response to concerns... -
Federal
EnviroAtlas - Agricultural phosphorus balance for 2012 by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas national map displays the mean phosphorus (P) balance between inorganic fertilizer and confined manure inputs and P crop removal on croplands in the... -
Federal
EJScreen Indexes--2024 Public Release recent views
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
EnviroAtlas - Average Annual Precipitation 1981-2010 by HUC12 for the Conterminous United States recent views
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
Toxic Releases/IGD: EF_TRI recent views
U.S. Environmental Protection Agency —
EF_TRI is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are refreshed...