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Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Canal Density
U.S. Environmental Protection Agency —
This dataset represents the canal density within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer were... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Dam Density and Storage Volume
U.S. Environmental Protection Agency —
This dataset represents the dam density and storage volumes within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on National... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Agricultural Nitrogen Inputs
U.S. Environmental Protection Agency —
This dataset represents the application of nitrogen within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based data published in EPA... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Wet Index
U.S. Environmental Protection Agency —
This dataset represents the calculated wetness index value within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Anthropogenic Barrier Dataset
U.S. Environmental Protection Agency —
This dataset represents the dam density and storage volumes within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Housing Unit and Population Density
U.S. Environmental Protection Agency —
This dataset represents the population and housing unit density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Land Cover Database
U.S. Environmental Protection Agency —
This dataset represents the land cover data within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the NLCD. Catchment... -
Federal
EnviroAtlas - 2002 Edge-of-Field Simulated Nitrogen, Phosphorus and Water Quantity Loss by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains annual (2002) simulated estimations of edge-of-field agricultural nitrogen (N) and phosphorus (P) lost in surface runoff, subsurface... -
Federal
EnviroAtlas Green Space Proximity Gradient 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). In any given 1-square meter... -
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... -
Federal
EnviroAtlas - Domestic Water Demand by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes domestic water demand attributes which provide insight into the amount of water currently used for indoor and outdoor residential... -
Federal
EnviroAtlas - Water Balance and Surficial Groundwater by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes several U.S. Geological Survey (USGS) water budget and surficial groundwater datasets by 12-digit HUC. It includes average rates... -
Federal
EnviroAtlas - Percent Urban Land Cover by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the percent urban land for each 12-digit hydrologic unit code (HUC) in the conterminous United States. For the purposes of this... -
Federal
EJScreen Indexes--2021 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
Chemical Data Release (CDR) Chemicals per Site, 2012
U.S. Environmental Protection Agency —
This layer displays points of per site chemical use extracted from the 2012 Chemical Data Reporting (CDR) database. The CDR database contains comprehensive use and... -
Federal
EPA Facility Registry Service (FRS): FRP
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
EnviroAtlas - Washington, DC - 15m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is vegetated. In this community, vegetated land is defined as Trees & Forest,... -
Federal
EnviroAtlas - Potential Wetland Areas - Contiguous United States
U.S. Environmental Protection Agency —
The EnviroAtlas Potential Wetland Areas (PWA) dataset shows potential wetland areas at 30-meter resolution. Beginning two centuries ago, many wetlands were turned... -
Federal
EnviroAtlas - Rare Ecosystems in the Conterminous United States 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
US EPA Nonattainment Areas and Designations - Carbon Monoxide (1990 NAAQS) - Web Service Layer
U.S. Environmental Protection Agency —
This web service layer, Carbon Monoxide (1990 NAAQS), displays identified state level areas where carbon monoxide pollution has not met the National Ambient Air...