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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
Toxics Release Inventory (TRI)
U.S. Environmental Protection Agency —
The Toxics Release Inventory (TRI) is a dataset compiled by the U.S. Environmental Protection Agency (EPA). It contains information on the release and waste... -
Federal
Wildfires, 1984–2021
U.S. Environmental Protection Agency —
This indicator tracks the extent and severity of wildfires in the United States. One map shows the average annual burned acreage by state, while the other map shows... -
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
EnviroAtlas - Farm Service Land Rental Rates by County for the United States
U.S. Environmental Protection Agency —
This EnviroAtlas data set depicts estimates for mean cash rent paid for land by farmers, sorted by county for irrigated cropland, non-irrigated cropland, and pasture... -
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
Air Quality System (AQS) Monitoring Network, EPA OAR OAQPS
U.S. Environmental Protection Agency —
This GIS dataset contains points which depict air quality monitors within EPA's Air Quality System (AQS) monitoring network. This dataset is updated weekly to reflect... -
Federal
ENERGY STAR Certified Computers V9.0
U.S. Environmental Protection Agency —
Certified models meet all ENERGY STAR requirements as listed in the Version 9.0 Requirements that are effective as of October 27, 2025. -
Federal
EnviroAtlas Estimated Intersection Density of Walkable Roads Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the intersection density of walkable roads within a 750 meter radius of any given 10 meter pixel in each EnviroAtlas community.... -
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
EPA Sole Source Aquifers
U.S. Environmental Protection Agency —
Information on sole source aquifers (SSAs) is widely used in assessments under the National Environmental Policy Act and at the state and local level. A national... -
Federal
Cleanups In My Community (CIMC) - Base Realignment and Closure (BRAC) Superfund Sites, National Layer
U.S. Environmental Protection Agency —
This data layer provides access to Base Realignment and Closure (BRAC) Superfund Sites as part of the CIMC web service. EPA works with DoD to facilitate the reuse and... -
Federal
EnviroAtlas - Rare Ecosystems in the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset identifies rare ecosystems using base landcover data from the USGS GAP Analysis Program (Version 2, 2011) combined with landscape ecology... -
Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States
U.S. Environmental Protection Agency —
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States... -
Federal
AirNow Real Time Air Quality REST API
U.S. Environmental Protection Agency —
A REST web service API allowing the retrieval of real time air quality index data from AirNow. -
Federal
ENERGY STAR Certified Computers V9.0
U.S. Environmental Protection Agency —
Certified models meet all ENERGY STAR requirements as listed in the Version 9.0 Requirements that are effective as of October 27, 2025. -
Federal
Level III Ecoregions of Tennessee
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
EPA Envirofacts API
U.S. Environmental Protection Agency —
Envirofacts integrates information from a variety of EPA's environmental databases. Each of these databases contains information about facilities that are required to... -
Federal
U.S. Level III and IV Ecoregions (U.S. EPA)
U.S. Environmental Protection Agency —
This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection... -
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...