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Federal
EnviroAtlas - 2011 Land Cover, Impervious Surface, and Riparian Land Cover Proportions by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents land cover across a watershed and in riparian areas for each 12-digit hydrologic unit code (HUC) in the conterminous United States... -
Federal
EnviroAtlas - Ecosystem Rarity Metrics by 12-digit HUC for 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 - Percent of Each 12-Digit HUC in the Contiguous U.S. with Potentially Restorable Wetlands
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the percent of each 12-digit Hydrologic Unit (HUC) subwatershed in the contiguous U.S. with potentially restorable wetlands. Beginning... -
Federal
EnviroAtlas - MSPA connectivity with water as background and 3-pixel edge width for the conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset categorizes land cover into structural elements (e.g. core, edge, connector, etc.). It depicts core areas of natural land cover, core... -
Federal
EnviroAtlas - Freshwater Fishing Recreation Demand by 12-Digit HUC in the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the total number of recreational days per year demanded by people ages 18 and over for freshwater fishing by location in the... -
Federal
EnviroAtlas - Number of Water Markets per HUC8 Watershed, U.S., 2015, Forest Trends' Ecosystem Marketplace
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains polygons depicting the number of watershed-level market-based programs, referred to herein as markets, in operation per 8-digit HUC... -
Federal
EnviroAtlas - Sum of population near roads without tree buffer for the conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is a summary of total population near major roads without any tree buffer within 12-digit Hydrologic Units (HUC_12), based on the National... -
Federal
EnviroAtlas - National Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains species richness metrics based on habitat models generated by the U.S. Geological Survey (USGS) National Gap Analysis Project (GAP).... -
Federal
EnviroAtlas - Stream Confluence Dataset - Indicators of geologic (lithosphere) conditions for stream confluence watersheds for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains indices of geologic (lithosphere) conditions in the upstream watersheds of stream confluences. Stream confluences are important... -
Federal
EnviroAtlas - Selected National Air Toxics Assessment Results by County - 2014
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
EnviroAtlas - NHDPlus V2 Flowlines and Waterbodies Web Service - Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas web service contains layers depicting NHD Version 2.1 Plus flowlines and waterbodies for the conterminous United States. EnviroAtlas... -
Federal
EnviroAtlas - Major Grains and Cotton by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the number of major grains grown, yield in tons, and area in hectares for several major grains and for cotton by 12-digit Hydrologic... -
Federal
EnviroAtlas - Candidate Areas for Ecological Restoration for the Conterminous United States
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 - 2011 Land Cover 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, natural, and developed land cover using... -
Federal
EnviroAtlas - Stream Confluence Dataset - Land cover attributes for stream confluence catchments for the Conterminous United States - 2011
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains land cover proportions for the upstream catchments of stream confluences for 2011. Stream confluences are important components of... -
Federal
EnviroAtlas - 2015 EPA Discharge Monitoring Report Watershed Statistics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes a number of Discharge Monitoring Report (DMR) metrics summarized by watershed for a given year (https://echo.epa.gov/help/loading-... -
Federal
EnviroAtlas - Crop phosphorus removal by 12-digit HUC for 2012 for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national map displays the mean crop phosphorus (P) removal from croplands in the conterminous United States (excluding Hawaii and Alaska) for the... -
Federal
EnviroAtlas - Historic Places by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset portrays the total number of historic places located within each 12-digit Hydrologic Unit (HUC). The historic places data were compiled from... -
Federal
EnviroAtlas - 2019 Percent Impervious Cover by 12-digit HUC for the Conterminous United States
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 State that is impervious to... -
Federal
EnviroAtlas - Availability of Local Food by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains a count of the number of local farmers markets within each subwatershed (12-digit HUC) based on their location given within the USDA...