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Federal
Collection Highway Performance Monitoring System (HPMS)
Department of Transportation —
HPMS compiles data on highway network extent, use, condition, and performance. The system consists of a geospatially-enabled database that is used to generate reports... -
Federal
Time-Series Data on the Ocean and Great Lakes Economy for Counties, States, and the Nation between 2005 and 2019 (Sector Level)
National Oceanic and Atmospheric Administration, Department of Commerce —
Economics: National Ocean Watch (ENOW) contains annual time-series data for over 400 coastal counties, 30 coastal states, 8 regions, and the nation, derived from the... -
Federal
EnviroAtlas - 303(d) Impairments by 12-digit HUC for the Conterminous United States
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 - Average Annual Precipitation 1981-2010 by HUC12 for the Conterminous United States
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
Biologically Important Areas for Cetaceans within U.S. Waters 2015-03-01 - Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Cetacean Density and Distribution Mapping Working Group identified Biologically Important Areas (BIAs) for 24 cetacean species, stocks, or populations in seven...