-
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
FWS Critical Habitat for Threatened and Endangered Species Dataset NGDA
Department of the Interior —
When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation'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
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
Terrestrial Ecosystems - Land Surface Forms of the Conterminous United States
Department of the Interior —
The U.S. Geological Survey (USGS) has generated land surface form classes for the contiguous United States. These land surface form classes were created as part of an... -
Federal
North American Rail Network Nodes NGDA
Department of Transportation —
The North American Rail Network (NARN) Rail Nodes dataset was created in 2016 and was updated on September 30, 2025 from the Federal Railroad Administration (FRA) and... -
Federal
Tillage Practices in the Conterminous United States, 1989-2004--Datasets Aggregated by Watershed; tillage_lu92e
Department of the Interior —
This dataset is an aggregation of county-level tillage practices to the 8-digit hydrologic unit watershed. The original county-level data were collected by the... -
Federal
Poverty Mapping Project: Global Subnational Prevalence of Child Malnutrition
National Aeronautics and Space Administration —
The Poverty Mapping Project: Global Subnational Prevalence of Child Malnutrition data set consists of estimates of the percentage of children with weight-for-age... -
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
Drainage Basins Used for Assessing Trends in Concentration of Pesticides in Streams of the United States, 1992-2010
Department of the Interior —
This dataset consists of drainage basin boundaries for 212 U.S. Geological Survey (USGS) stream sites sampled in the National Water-Quality Assessment (NAWQA)... -
Federal
National Fish Habitat Action Plan (NFHAP) - Coastal Spatial Framework and Coastal Indicator Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial... -
Federal
IceBridge Snow Radar L1B Geolocated Radar Echo Strength Profiles V002
National Aeronautics and Space Administration —
This data set contains radar echograms taken from the Center for Remote Sensing of Ice Sheets (CReSIS) ultra wide-band snow radar over land and sea ice in the Arctic... -
Federal
IceBridge Sander AIRGrav L1B Geolocated Free Air Gravity Anomalies V002
National Aeronautics and Space Administration —
This data set contains gravity measurements, including acceleration data in three orthogonal directions, from the Sander Geophysics AIRGrav airborne gravity system.... -
Federal
IceBridge ATM L2 Icessn Elevation, Slope, and Roughness V002
National Aeronautics and Space Administration —
This data set contains resampled and smoothed elevation measurements of Arctic and Antarctic sea ice, and Greenland, Antarctic Peninsula, and West Antarctic region... -
Federal
GLAS/ICESat L2 Sea Ice Altimetry Data (HDF5) V034
National Aeronautics and Space Administration —
GLAH06 is used in conjunction with GLAH05 to create the Level-2 altimetry products. Level-2 altimetry data provide surface elevations for ice sheets (GLAH12), sea ice... -
Federal
NOAA's Hydrographic Surveys and Reports
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data to support the compilation of nautical charts and... -
Federal
IceBridge Riegl Laser Altimeter L2 Geolocated Surface Elevation Triplets V001
National Aeronautics and Space Administration —
This data set contains surface range values for Antarctica and Greenland derived from measurements captured by the Riegl Laser Altimeter. The data were collected by... -
Federal
IceBridge MCoRDS L1B Geolocated Radar Echo Strength Profiles V002
National Aeronautics and Space Administration —
This data set contains radar echograms taken from the Center for Remote Sensing of Ice Sheets (CReSIS) ultra Multichannel Coherent Radar Depth Sounder (MCoRDS) over...