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Federal
Historical Ambient Air Quality Data Inventory recent views
U.S. Environmental Protection Agency —
The Historical Ambient Air Quality Data Inventory contains measured and estimated data on ambient air pollution for use in assessing air quality, assisting in... -
Federal
EPA Enforcement and Compliance History Online: EPA Enforcement Action Data Set recent views
U.S. Environmental Protection Agency —
The Enforcement and Compliance History Online (ECHO) data sets have been compiled for access to larger sets of national data to ensure that ECHO meets your data... -
Federal
National Greenhouse Gas Emission Inventory (EV-GHG) recent views
U.S. Environmental Protection Agency —
The EV-GHG Mobile Source Data asset contains measured mobile source GHG emissions summary compliance information on light-duty vehicles, by model, for certification... -
Federal
Consent Decrees recent views
U.S. Environmental Protection Agency —
EPAs Office of Enforcement and Compliance Assurance (OECA) cases and settlements webpage contains links to selected settlements resolving civil enforcement cases and,... -
Federal
EnviroAtlas - Average annual soil loss and sediment yield to waterbodies by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average annual soil loss and sediment yield to waterbodies by 12-digit HUC subwatershed for the conterminous United States... -
Federal
1987-2018 cyanobacteria and water quality data for 20 reservoirs recent views
U.S. Environmental Protection Agency —
These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August)... -
Federal
Safe Drinking Water Information System (SDWIS) Federal Reports Advanced Search Tool recent views
U.S. Environmental Protection Agency —
A database where EPA has compiled data on public drinking water systems and whether they have certain drinking water violations. This data is collected by the states... -
Federal
Report on U.S. Methane Emissions 1990-2020: Inventories, Projections, and Opportunities for Reductions: 2001 Updated emission and cost estimates recent views
U.S. Environmental Protection Agency —
This dataset contains relative and absolute forecasts of emissions through 2020 for landfills, natural gas and oil systems, coal mines, manure management and enteric... -
Federal
Safe Drinking Water Information System - State System (SDWIS/State) recent views
U.S. Environmental Protection Agency —
SDWIS/State is a data system that EPA is developing for states that will improve the quality of drinking water information. -
Federal
Clean Air Status and Trends Network (CASTNET): Ozone recent views
U.S. Environmental Protection Agency —
8-hour daily maximum ozone concentrations as measured by the Clean Air Status and Trends Network (CASTNET) -
Federal
A U.S. Lead Exposure Hotspots Analysis recent views
U.S. Environmental Protection Agency —
This is the dataset used for the U.S. lead exposure risk hotspot analysis in Zartarian et al., 2024, ES&T. The data dictionary files explain the contents of the 2... -
Federal
EPA Envirofacts API recent views
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
RACT/BACT/LAER Clearninghouse (RBLC) recent views
U.S. Environmental Protection Agency —
OAR's RACT, BACT, LAER Clearinghouse (RBLC) data asset contains summary information on selected air permitting actions from EPA, state, and local permitting agencies... -
Federal
OAR Tribal System recent views
U.S. Environmental Protection Agency —
OTS is an internal EPA national tribal database to assist the Regions and HQs in tracking tribal performance information. -
Federal
Fuel Economy Label and CAFE Data recent views
U.S. Environmental Protection Agency —
The Engine and Vehicle Compliance Certification and Fuel Economy Inventory contains measured emissions and fuel economy compliance information for light duty... -
Federal
National Radiological Fixed Lab Data recent views
U.S. Environmental Protection Agency —
The National Radiological Fixed Laboratory Data Asset includes data produced in support of various clients such as other EPA offices, EPA Regional programs, DOE, DOD,... -
Federal
Air Quality System (AQS) recent views
U.S. Environmental Protection Agency —
The Air Quality System (AQS) database contains measurements of air pollutant concentrations from throughout the United States and its territories. The measurements... -
Federal
Consumer Product Category Database recent views
U.S. Environmental Protection Agency —
The Chemical and Product Categories database (CPCat) catalogs the use of over 40,000 chemicals and their presence in different consumer products. The chemical use... -
Federal
2004-2017 Geospatial Dataset of Wild and Prescribed Fire Activity Over the Conterminous United States recent views
U.S. Environmental Protection Agency —
Wildland fire event polygons for 2004-2017 reconciled in SmartFire 2 for the EPA Air Quality Times Series (EQUATES) modeling project... -
Federal
Trends in non-native aquatic species richness in the United States reveal shifting patterns of both species introductions and sampling effort recent views
U.S. Environmental Protection Agency —
Analysis of spatio-temporal trends in non-native species distributions across the continental United States, based on publicly available distribution data. This...