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Federal
Walkability Index
U.S. Environmental Protection Agency —
The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of... -
Federal
NPL Superfund Site Boundaries (EPA)
U.S. Environmental Protection Agency —
This GIS dataset contains polygons depicting U.S. EPA Superfund Site boundaries. Site boundaries are polygons representing the footprint of a whole site, defined for... -
Federal
WaveWatch III (WW3) Global Wave Model
National Oceanic and Atmospheric Administration, Department of Commerce —
Through a collaborative effort with NOAA/NCEP and NWS Honolulu, the University of Hawaii has implemented a global-scale WaveWatch III (WW3) 7-day model with a 5-day... -
Federal
NOAA Next Generation Radar (NEXRAD) Level 2 Base Data
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level II weather radar data collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska, Hawaii,... -
Federal
Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and... -
Federal
USFWS National Wetlands Inventory NGDA
Department of the Interior —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Federal
NOAA NEXt-Generation RADar (NEXRAD) Products NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level III weather radar products collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska,... -
Federal
Yellowstone National Park Tract and Boundary Data
Department of the Interior —
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the... -
Federal
Tropic of Cancer
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at... -
Federal
Prime Meridian
National Oceanic and Atmospheric Administration, Department of Commerce —
The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at... -
Federal
US EPA Nonattainment Areas and Designations
U.S. Environmental Protection Agency —
This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard),... -
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
Access to Jobs and Workers via Transit - Download
U.S. Environmental Protection Agency —
A collection of performance indicators and regional benchmarks for consistently comparing neighborhoods (census block groups) across the US in regards to their... -
Federal
South America Geologic Map (geo6ag)
Department of the Interior —
South America is part of Region 6 (Central and South America) for the World Energy Assessment. The geologic map of South America was digitized so that we could use... -
Federal
Neighborhoods, US, 2017, Zillow, SEGS
U.S. Environmental Protection Agency —
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public... -
Federal
Global Data Assimilation System (GDAS)
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Data Assimilation System (GDAS) is the system used by the Global Forecast System (GFS) model to place observations into a gridded model space for the... -
Census Tracts in 2020
District of Columbia —
Census Tracts from 2020. The TIGER/Line shapefiles are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File... -
Federal
2020 Cartographic Boundary File (KML), Current American Indian/Alaska Native/Native Hawaiian Areas for United States, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2020 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically... -
Federal
Food Wholesale and Retail, US and Territories, 2018, EPA Region 9
U.S. Environmental Protection Agency —
This GIS dataset contains point features that represent food wholesalers, distributors, and supermarket and grocery stores represented by 17 unique NAICS codes....