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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 - 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 - Non-Native Freshwater Aquatic Biodiversity by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the non-native freshwater aquatic diversity by 12-digit HUC (subwatershed) for the conterminous United States. It includes animals... -
Federal
EnviroAtlas - Historic Places by 12-digit HUC for the Conterminous United States recent views
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 - Frequency and Density of Candidate Areas for Ecological Restoration by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the number and density of candidate areas for ecological restoration in each 12-digit HUC. Ecological restoration may become a more... -
Federal
EnviroAtlas - Annual average potential wind energy resource by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the annual average potential wind energy resource in kilowatt hours per square meter per day for each 12-digit Hydrologic Unit (HUC).... -
Federal
EnviroAtlas - Reptile Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains biodiversity metrics reflecting ecosystem services or other aspects of biodiversity for reptile species, based on the number of... -
Federal
EnviroAtlas - Agricultural Buffers by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the average agricultural buffer width, the percentage of agricultural lands with flow paths that would intersect natural land cover... -
Federal
EnviroAtlas - Land Cover in Areas of High Water Accumulation in 2011 for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains Land Cover data by Wetness Index for each Watershed Boundary Dataset (WBD) 12-Digit Hydrologic Unit Code (HUC-12) of the... -
Federal
EnviroAtlas - Above Ground Live Tree Biomass Carbon Storage by 12-Digit HUC for the Conterminous United States - Forested recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the sum of aboveground live dry biomass estimate by 12-digit Hydrologic Unit (HUC) in total metric tons (megagrams) from the 2000... -
Federal
EnviroAtlas - Average Direct Normal Solar resources kWh/m2/Day by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
The annual average direct normal solar resources by 12-Digit Hydrologic Unit (HUC) was estimated from maps produced by the National Renewable Energy Laboratory for... -
Federal
EnviroAtlas - 2016 Riparian Tree Canopy Cover by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area that is classified as tree canopy cover using the National Land Cover Database 2016 USFS Tree Canopy... -
Federal
EnviroAtlas - Candidate Areas for Ecological Restoration for the Conterminous United States recent views
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 recent views
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 - Percent of Each 12-Digit HUC in the Contiguous U.S. with Potentially Restorable Wetlands recent views
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 - Ecosystem Rarity Metrics by 12-digit HUC for the Conterminous United States recent views
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 National Layers Master 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). This web service includes... -
Federal
EnviroAtlas - Watershed Index Online (WSIO) Indicator Data Tables - Impaired Waters by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains information about 303(d) impairments by 12-digit HUC. It uses data that was originally compiled for the Watershed Index Online... -
Federal
EnviroAtlas - 2017 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 - Percent Large, Medium, and Small Natural Areas for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains the percentage of small, medium, and large natural areas for each Watershed Boundary Dataset (WBD) 12-Digit Hydrologic Unit Code...