455 datasets found
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Federal
EnviroAtlas - Rare Ecosystems in the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset identifies rare ecosystems using base landcover data from the USGS GAP Analysis Program (Version 2, 2011) combined with landscape ecology... -
Federal
ATTAINS Assessments
U.S. Environmental Protection Agency —
State water quality assessment decisions reported to EPA under the Integrated Report (IR), and Clean Water Act Sections 303(d) and 305(b). This service provides... -
Federal
EnviroAtlas - Biodiversity Metrics by 12-digit HUC for the Southwestern United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset was produced by a joint effort of New Mexico State University, US EPA, and the US Geological Survey (USGS) to support research and online... -
Federal
Abandoned Uranium Mines Map Service, Navajo Nation, 2021, U.S. EPA Region 9
U.S. Environmental Protection Agency —
This U.S. EPA Region 9 web service contains the following map layers: Abandoned Uranium Mines, Priority Mines, Tronox Mines, Trust Mines, Mines with Enforcement... -
Federal
EnviroAtlas - Watershed Index Online Water Mask for the Conterminous United States
U.S. Environmental Protection Agency —
This data layer represents all surface water features in the United States. This grid was created by combining water features identified in two sources, the 2019... -
Federal
EnviroAtlas - Austin, TX - Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of each block group that is classified as impervious, forest, green space, and agriculture. Forest is defined as... -
Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States
U.S. Environmental Protection Agency —
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States... -
Federal
EnviroAtlas - HU12_polygon
U.S. Environmental Protection Agency —
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of... -
Federal
EnviroAtlas National Layers Master Web Service
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
Level III Ecoregions of EPA Region 1
U.S. Environmental Protection Agency —
Ecoregions by EPA region were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality,... -
Federal
EnviroAtlas - Philadelphia, PA - Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the breakdown of the land cover classes with each Census Block Group. In this community, forest is defined as Trees & Forest,... -
Federal
EnviroAtlas - Chicago, IL - Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the breakdown of the land cover classes with each Census Block Group. In this community, forest is defined as Trees & Forest,... -
Federal
EPA Region 6 REAP Rarity Geodatabase
U.S. Environmental Protection Agency —
The Regional Ecological Assessment Protocol (REAP) is a screening level assessment tool created as a way to identify priority ecological resources within the five EPA... -
Federal
Level IV Ecoregions of Oregon
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
Level IV Ecoregions of Washington
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
EnviroAtlas - Virginia Beach/Williamsburg, VA - Land Cover by Block Group
U.S. Environmental Protection Agency —
"This EnviroAtlas dataset describes the breakdown of the land cover classes with each Census Block Group. In this community, forest is defined as Trees & Forest,... -
Federal
EnviroAtlas - Salt Lake City, UT - Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the breakdown of the land cover classes with each Census Block Group. In this commmunity, forest is defined as Trees & Forest,... -
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 - New Bedford, MA - Residents with Potential Window Views of Trees by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the total block group population and the percentage of the block group population that has little access to potential window views of... -
Federal
EnviroAtlas - 2019 Land Cover Proportions by 12-digit HUC for the Conterminous United States
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...
455 datasets found