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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 - 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 - 2019 Percent Impervious 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 within each 12-digit hydrologic unit code (HUC) in the conterminous United State that is impervious to... -
Federal
EnviroAtlas - 2002 Edge-of-Field Simulated Nitrogen, Phosphorus and Water Quantity Loss by 12-digit HUC for the Conterminous United States recent views
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 - National Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States recent views
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 - Manure application to agricultural lands from confined animal feeding operations by 12-digit HUC for the Conterminous United States, 2006 recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on the mean livestock manure application to cultivated crop and hay/pasture lands by 12-digit Hydrologic Unit (HUC) in 2006.... -
Federal
EnviroAtlas - Dasymetric Population by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates population by 12-digit HUC. It is based on the EnviroAtlas dasymetric dataset, which intelligently reallocates 2010 population from... -
Federal
EnviroAtlas - NHDPlus V2 Hydrologic Unit Boundaries Web Service - Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas web service contains layers depicting hydrologic unit boundary layers and labels for the Subregion level (4-digit HUCs), Subbasin level (8-digit... -
Federal
EnviroAtlas - 2016 Riparian Land Cover Proportions 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 forest, forest including woody wetlands, and natural land cover that occurs... -
Federal
EnviroAtlas - National Inventory of Dams for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is a summary of the National Dams Inventory data from 2009 survey. The file contains counts of inventoried dams by 12-digit hydrologic units... -
Federal
EnviroAtlas - Potential Wetland Areas - Contiguous United States recent views
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 - NatureServe Analysis of Imperiled or Federally Listed Species by HUC-12 for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes analysis by NatureServe of species that are Imperiled (G1/G2) or Listed under the U.S. Endangered Species Act (ESA) by 12-digit... -
Federal
EnviroAtlas - Protected Lands by 12-digit HUC for Puerto Rico and the US Virgin Islands recent views
U.S. Environmental Protection Agency —
This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap... -
Federal
EnviroAtlas - Percentage of stream and water body shoreline lengths within 30 meters of >= 5% or >= 15% impervious cover by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the percentages of stream and water body shoreline lengths within 30 meters of impervious cover by 12-digit Hydrologic Unit (HUC)... -
Federal
EnviroAtlas - 2010 Land Cover by 12-digit HUC for Puerto Rico 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 - Protected Lands by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap... -
Federal
EnviroAtlas - Percent Agriculture on Hydric Soil for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on Agricultural Land Coverage on Hydric Soils for each Watershed Boundary Dataset (WBD) 12-Digit Hydrologic Unit Code (HUC-12)... -
Federal
EnviroAtlas - Synthetic N fertilizer application to agricultural lands by 12-digit HUC in the Conterminous United States, 2006 recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on the mean synthetic nitrogen (N) fertilizer application to cultivated crop and hay/pasture lands per 12-digit Hydrologic Unit... -
Federal
EnviroAtlas - Major Grains and Cotton by 12-digit HUC for the Conterminous United States recent views
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 - Biodiversity Metrics by 12-digit HUC for the Southwestern United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset was produced by a joint effort of New Mexico State University, US EPA, and the US Geological Survey (USGS) to support research and online...