456 datasets found
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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 - Probabilistic Estimates of the Distribution of Near-surface (within 1m) Permafrost in Alaska
U.S. Environmental Protection Agency —
This dataset was created by USGS and is being hosted by US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas... -
Federal
Clean Water Act Section 303(d) Water Quality Limited Segments, California, 2006, State Water Resources Control Board
U.S. Environmental Protection Agency —
2006 303d List of Water Quality Limited Segments that: 1) Require Total Maximum Daily Loads (TMDLS), 2) Are being addressed by USEPA approved TMDLs 3) Are being... -
Federal
EnviroAtlas - New Bedford, MA - 51m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is vegetated. There is a potential for decreased water quality in areas where the... -
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
San Francisco Bay Area Baseline Trash Loading Summary Results, San Francisco Bay Area CA, 2012, US EPA Region 9
U.S. Environmental Protection Agency —
The San Francisco Bay Area stormwater permit sets trash control guidelines for discharges through the storm drain system. The permit covers Alameda, Contra Costa,... -
Federal
Omernik's Level III Ecoregions Of The Conterminous United States NGDA
U.S. Environmental Protection Agency —
Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial... -
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 III 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
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
Los Angeles Area Permit Holder Estimated Trash Load Reduction, Los Angeles CA, 2012, US EPA Region 9
U.S. Environmental Protection Agency —
The Los Angeles River has been designated as an impaired waterbody due to the large volume of trash it receives from the watershed. To address this problem a Total... -
Federal
U.S. EPAs Public Geospatial Metadata Service
U.S. Environmental Protection Agency —
EPAs public geospatial metadata service provides external parties (Data.gov, GeoPlatform.gov, and the general public) with access to EPA's geospatial metadata records... -
Federal
Level IV Ecoregions of New York
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 - San Diego, CA - 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 - 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
EnviroAtlas -- Los Angeles County, CA -- Meter-Scale Urban Land Cover (MULC) Data (2016)
U.S. Environmental Protection Agency —
The Los Angeles County, CA Meter Urban Land Cover (MULC) dataset was generated from sub-meter image pixel resolution data created by the University of Vermont Spatial... -
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
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 Community Block Group Metrics 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
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...
456 datasets found