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Federal
Maritime Limits and Boundaries of United States of America NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
Federal
Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Water level records are a combination of the fluctuations of the ocean and the vertical land motion at the location of the station. Monthly mean sea level (MSL)... -
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 - Fruit and vegetable crops for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes data on the area, yield, and number of fruit and vegetable crops grown per 12-digit Hydrologic Unit (HUC) in the conterminous USA.... -
Federal
Social Vulnerability Index (SoVI) for the U.S. Coastal States based on the 2010 Census Tracts recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Social Vulnerability Index (SoVI) 2006-10 measures the social vulnerability of U.S. counties to environmental hazards. The index is a comparative metric that... -
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 - 303(d) Impairments by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset depicts the total length of stream or river flowlines that have impairments submitted to the EPA by states under section 303(d) of the Clean... -
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 - 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
NOAA Shoreline Website recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The original intent of this site was to alleviate confusion about shorelines generated by National Oceanic and Atmospheric Administration (NOAA) agencies. However,... -
Federal
NOAA Composite Shoreline - Vectorized Shoreline Derived From NOAA-NOS Coastal Survey Maps and Aerial Photographs recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Composite Shoreline is primarily intended for high-resolution cartographic representation of the shoreline. It is a high-resolution vector shoreline based on... -
Federal
EnviroAtlas - Industrial Water Demand (2010) by 12-Digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes industrial water demand attributes which provide insight into the amount of water currently used for manufacturing and production of... -
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 - 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 - 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
National Status and Trends: Mussel Watch Program recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Mussel Watch is the longest running continuous chemical contaminant monitoring program in U.S. coastal and Great Lakes waters and was created in response to concerns... -
Federal
Coastal Change Analysis Program (C-CAP) Regional Land Cover Data and Change Data NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Coastal Change Analysis Program (C-CAP) produces national standardized land cover and change products for the coastal regions of the U.S. C-CAP products... -
Federal
EnviroAtlas - Biological nitrogen fixation in natural/semi-natural ecosystems 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 biological nitrogen fixation in natural/semi-natural ecosystems per 12-digit Hydrologic Unit (HUC) in 2006.... -
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 - MSPA connectivity with water as foreground and 3-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...