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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
EnviroAtlas - Estimated floodplain map for the Conterminous United States
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
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
EnviroAtlas - Public outdoor recreational area (per capita) within walking distance for the conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset measures accessibility (i.e., proximity or nearness) of public outdoor recreational areas within an 800 meter walk (approximately 1/2 mile or... -
Federal
EnviroAtlas -- Los Angeles County, CA -- Meter-Scale Urban Land Cover (MULC) Data (2016)
U.S. Environmental Protection Agency —
The Los Angeles County, CA Meter Urban Land Cover (MULC) dataset was generated from sub-meter image pixel resolution data created by the University of Vermont Spatial... -
Federal
EnviroAtlas - Baltimore, MD - Meter-Scale Urban Land Cover (MULC) Data
U.S. Environmental Protection Agency —
The Baltimore, MD EnviroAtlas Meter-scale Urban Land Cover (MULC) dataset comprises 4,545 km2 around the city of Baltimore and portions of surrounding counties. These... -
Federal
EnviroAtlas - St. Louis, MO - Census Block Groups
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is the base layer for the St. Louis, MO EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on... -
Federal
Fema/CRSI Risk Index
U.S. Environmental Protection Agency —
Comparison of FEMA and CRSI Risk assessment indices and how to convert from one to the other. Portions of this dataset are inaccessible because: Part of FEMA and not... -
Federal
EnviroAtlas -- Portland, OR -- Meter-Scale Urban Land Cover (MULC) Data (2012)
U.S. Environmental Protection Agency —
The EnviroAtlas Portland, OR Meter-Scale Urban Land Cover (MULC) dataset includes data for the Portland metropolitan area plus the city of Vancouver, Washington and... -
Federal
ImpactWorld+v1.3 for FEDEFLv1
U.S. Environmental Protection Agency —
ImpactWorld+ v1.3 (Bulle et al. 2019) is a life cycle impact assessment (LCIA) method. LCIA methods are collections of characterization factors, which are measures of... -
Federal
Paired Sentinel-2 – water quality databases for estuaries and tidal freshwater rivers.
U.S. Environmental Protection Agency —
There are five datasets included in this collection. One dataset (SiteInventoryunique.shp) provides metadata for sampling stations associated with estuarine water... -
Federal
Simulated Pathogen Concentrations in Locally-Collected Greywater and Wastewater
U.S. Environmental Protection Agency —
This dataset contains simulated pathogen concentrations in locally-collected greywater and wastewater. Each .zip file includes 21 .csv files, each containing 10,000... -
Federal
Global Non-Floodplain Wetlands_NorthAmerica
U.S. Environmental Protection Agency —
This raster GIS dataset contains 30 meter cells depicting non-floodplain wetlands in a hydrobasin. This base dataset is a combination of three globally-available... -
Federal
High-Resolution (1 Meter) Land Cover for 98 counties in West Virginia (2020), Virginia (2021), and Pennsylvania (2022); providing complete coverage for EPA Region 3 when combined with 2021 - 2022 Chesapeake Bay Program Land Use / Land Cover data.
U.S. Environmental Protection Agency —
This map shows high-resolution (1 meter) land cover in the EPA Region 3, covering the parts of West Virginia, Virginia, and Pennsylvania outside of the Chesapeake Bay... -
Federal
Estimated floodplain map for the conterminous United States
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
Federal
Level IV Ecoregions of Georgia
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
Global Wetlands South America
U.S. Environmental Protection Agency —
This raster GIS dataset contains 30 meter cells depicting wetlands in a hydrobasin. This base dataset is a combination of three globally available datasets creating a... -
Federal
Level III Ecoregions of Oregon
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
Simulating Flood-Induced Soil and Sediment Transport with a Coupled HEC-RAS 2D and WASP Model
U.S. Environmental Protection Agency —
These datasets contain results of sediment and contaminant transport (arsenic) simulation for 100-year flood in Woodbridge watershed, NJ. The flood discharge is... -
Federal
Global Wetlands Africa
U.S. Environmental Protection Agency —
This raster GIS dataset contains 30 meter cells depicting wetlands in a hydrobasin. This base dataset is a combination of three globally available datasets creating a...