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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
NCEI/WDS Global Historical Tsunami Database, 2100 BC to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Historical Tsunami Database provides information on over 2,400 tsunamis from 2100 BC to the present in the the Atlantic, Indian, and Pacific Oceans; and... -
Federal
Food Environment Atlas
Department of Agriculture —
Food environment factors--such as store/restaurant proximity, food prices, food and nutrition assistance programs, and community characteristics--interact to... -
Federal
Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations NGDA
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
SNOwpack TELemetry Network (SNOTEL)
Department of Agriculture —
The SNOTEL data retrieval tools provides an interactive process to identify and retrieve data from individual SNOTEL sites. The user does not need to know the ID for... -
Federal
Amtrak Stations
Department of Transportation —
The Amtrak Stations dataset is as of December 15, 2025 from Amtrak and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics... -
Federal
Principal Ports
Department of Transportation —
The Principal Ports dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of Transportation... -
Federal
National Bridge Inventory NGDA
Department of Transportation —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
1 Arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection
Department of the Interior —
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1 arc-second (approximately 30 m) resolution. The elevations in this Digital Elevation Model... -
Federal
Meteorological and oceanographic data collected from the National Data Buoy Center Coastal-Marine Automated Network (C-MAN) and moored (weather) buoys
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Data Buoy Center (NDBC) established the Coastal-Marine Automated Network (C-MAN) for the National Weather Service in the early 1980's. NDBC has installed... -
Federal
1/3rd arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection NGDA
Department of the Interior —
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1/3 arc-second (approximately 10 m) resolution. The 3DEP data holdings serve as the elevation... -
Federal
USGS National Transportation Dataset (NTD) Downloadable Data Collection
Department of the Interior —
The USGS Transportation downloadable data from The National Map (TNM) is based on TIGER/Line data provided through U.S. Census Bureau and supplemented with HERE road... -
Federal
USGS Groundwater Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
North American Rail Network Lines - Class I Freight Railroads View
Department of Transportation —
The North American Rail Network (NARN) Rail Lines: Class I Freight Railroads View dataset is from the Federal Railroad Administration (FRA) and is part of the U.S.... -
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
Atlas of Rural and Small-Town America
Department of Agriculture —
View the diversity of challenges and opportunities across America's counties within different types of rural regions and communities. Get statistics on people, jobs,... -
Federal
Global Reservoir and Dam Database, Version 1 (GRanDv1): Dams, Revision 01
National Aeronautics and Space Administration —
The Global Reservoir and Dam Database, Version 1, Revision 01 (v1.01) contains 6,862 records of reservoirs and their associated dams with a cumulative storage...