572 datasets found
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Federal
Nutrient and Coliform Loading (NCL)
National Oceanic and Atmospheric Administration, Department of Commerce —
This is a database of available fecal coliform bacteria, fecal streptococci bacteria, and nutrient loading data. Loading for contaminants other than fecal coliform... -
Federal
EnviroAtlas - Portland, ME - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas 15m Riparian Buffer Forest Cover 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 EnviroAtlas dataset... -
Federal
Level III Ecoregions of Illinois
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 III Ecoregions of Ohio
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 - Philadelphia, PA - 51m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is forested. In this community, tree cover is defined as Trees & Forest, and... -
Federal
Level III Ecoregions of Georgia
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 III Ecoregions of Connecticut
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 - Memphis, TN - 51m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is forested. Forest is defined as Trees & Forest and Woody Wetlands. There is a... -
Federal
EnviroAtlas - Average Annual Soil Loss (Scaled) - Existing Land Use / Land Cover Scenario for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average annual soil loss from each pixel in metric tons per hectare*10,000 for the conterminous United States for 2011... -
Federal
National Fish Habitat Action Plan (NFHAP) - Coastal Spatial Framework and Coastal Indicator Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial... -
Federal
EPA Facility Registry Service (FRS): NPDES
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry Service (FRS) for the subset of facilities that link... -
Federal
EnviroAtlas - Stream Confluence Dataset - Land cover change for stream confluence watersheds for the Conterminous United States - 2001 to 2011
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains changes in land cover proportions between 2001 and 2011 for the upstream watersheds of stream confluences. Stream confluences are... -
Federal
EnviroAtlas - Minneapolis/St. Paul, MN - Domestic Water Use per Day by U.S. Census Block Group
U.S. Environmental Protection Agency —
As included in this EnviroAtlas dataset, the community level domestic water use is calculated using locally available water use data per capita in gallons of water... -
Federal
EnviroAtlas - Portland, OR - Domestic Water Use per Day by U.S. Census Block Group
U.S. Environmental Protection Agency —
As included in the EnviroAtlas, the community level domestic water use is calculated using locally available water use data per capita in gallons of water per day... -
Federal
Streams - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
Perennial and non-perennial streams in the Main Hawaiian Islands. Data accessed from the Hawaii Statewide GIS Program. Arcs were extracted from the 1983 USGS Digital... -
Federal
EnviroAtlas - Los Angeles, CA - Domestic Water Demand per Day by U.S. Census Block Group
U.S. Environmental Protection Agency —
As included in this EnviroAtlas dataset, community level domestic water demand is calculated using locally available water use data per capita in gallons of water per... -
Federal
EnviroAtlas - Average Annual Sediment Delivery Ratio (Scaled) - Existing Land Use / Land Cover Scenario for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average sediment delivery ratio (SDR) - the percentage of soil eroding from a pixel that is transported to a downstream... -
Federal
EnviroAtlas - Stream Confluence Dataset - Land cover attributes for stream confluence watersheds for the Conterminous United States - 2011
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains land cover proportions for the upstream watersheds of stream confluences for 2011. Stream confluences are important components of... -
Federal
Level IV Ecoregions of Oklahoma
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...
572 datasets found