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Federal
EnviroAtlas - Percent Urban Land Cover by 12-Digit HUC for the Conterminous United States recent views
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
EnviroAtlas - Watershed Index Online Riparian Zone Mask for the Conterminous United States recent views
U.S. Environmental Protection Agency —
The Riparian Zone Mask represents surface water in the United States and its estimated riparian zone. These areas were determined using grid analysis of an... -
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 - Selected National Air Toxics Assessment Results by State - 2014 recent views
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 state. The... -
Federal
EnviroAtlas - Stream Confluence Dataset - Indicators of abiotic conditions for stream confluence watersheds for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains information about physical characteristics, such as temperature, elevation, and precipitation, in the upstream watersheds of stream... -
Federal
EnviroAtlas - Sum of population near roads without tree buffer for the conterminous United States recent views
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 - 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 - Potentially Restorable Wetlands on Agricultural Land - Contiguous United States recent views
U.S. Environmental Protection Agency —
The EnviroAtlas Potentially Restorable Wetlands on Agricultural Land (PRW-Ag) dataset shows potentially restorable wetlands at 30-meter resolution. Beginning two... -
Federal
EnviroAtlas - 2015 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-...