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Federal
EnviroAtlas - Estimated floodplain map for the Conterminous United States recent views
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
Federal
EnviroAtlas - Atmospheric Nitrogen and Sulfur Deposition by 12-digit HUC for the Conterminous United States (2017) recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes annual nitrogen and sulfur deposition within each 12-digit HUC subwatershed for the year 2017. Values are provided for total... -
Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States recent views
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 - Dasymetric Population for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset intelligently reallocates 2010 population from census blocks to 30 meter pixels based on land cover and slope. This dataset was produced by... -
Federal
EnviroAtlas - Agricultural phosphorus balance for 2012 by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas national map displays the mean phosphorus (P) balance between inorganic fertilizer and confined manure inputs and P crop removal on croplands in the... -
Federal
EnviroAtlas - Big Game Hunting Recreation Demand by 12-Digit HUC in the Conterminous United States recent views
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 big game hunting by location in the... -
Federal
EnviroAtlas - Maximum Temperature 1950 - 2099 for the Conterminous United States recent views
U.S. Environmental Protection Agency —
The EnviroAtlas Climate Scenarios were generated from NASA Earth Exchange (NEX) Downscaled Climate Projections (NEX-DCP30) ensemble averages (the average of over 30... -
Federal
EnviroAtlas - Potential Wetland Areas - Contiguous United States Web Service recent views
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). The EnviroAtlas Potential... -
Federal
EnviroAtlas - Number of Water Markets per HUC8 Watershed, U.S., 2015, Forest Trends' Ecosystem Marketplace recent views
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 - Ecosystem Services Market-Based Programs Web Service, U.S., 2016, Forest Trends' Ecosystem Marketplace recent views
U.S. Environmental Protection Agency —
This EnviroAtlas web service contains layers depicting market-based programs and projects addressing ecosystem services protection in the United States. Layers... -
Federal
EnviroAtlas - Agricultural Water Demand by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
The national agricultural water demand metric provides insight into the amount of water used for agricultural irrigation in the contiguous United States. The... -
Federal
EnviroAtlas - 2011 Agricultural Land Cover on Steep Slopes for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage land area that is classified as agricultural land cover that occurs on slopes above a given threshold for each... -
Federal
EnviroAtlas - Average Annual Precipitation 1981-2010 by HUC12 for the Conterminous United States recent views
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 - MSPA connectivity with water as foreground and 1-pixel edge width for the conterminous United States recent views
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 - Accessibility Characteristics in the Conterminous U.S. Web Service recent views
U.S. Environmental Protection Agency —
This EnviroAtlas web service includes maps that illustrate factors affecting transit accessibility, and indicators of accessibility. Accessibility measures how easily... -
Federal
EnviroAtlas - Predicted drinking water nitrate violations by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This map displays predicted probability of a 12-digit Hydrologic Unit (HUC12) being at risk of violating the drinking water nitrate standard. Risk is defined as there... -
Federal
EnviroAtlas - Availability of Local Food by Census Block Group for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains a count of the number of local farmers markets within each census block group (CBG) based on their location given within the USDA... -
Federal
EnviroAtlas - Bird Watching Recreation Demand by 12-Digit HUC in the Conterminous United States recent views
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 bird watching by location in the contiguous... -
Federal
EnviroAtlas - 2011 EPA Discharge Monitoring Report Watershed Statistics by 12-digit HUC for the Conterminous United States recent views
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 - HU12_polygon recent views
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...