- 
  
    FederalToxics 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...
- 
  
    FederalClean Air Status and Trends Network (CASTNET) Download Data ModuleU.S. Environmental Protection Agency — The CASTNET Download Data module allows users to select, view, and download CASTNET data (Raw, Aggregate, Modeled & Factual Data) based on user selections....
- 
  
    FederalSafe Drinking Water Information System (SDWIS)U.S. Environmental Protection Agency — The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations.
- 
  
    FederalRegional Air Quality DataU.S. Environmental Protection Agency — This asset provides data on regional air quality, including trace level SO2, nitric acid, ozone, carbon monoxide, and NOy; and particulate sulfate, nitrate, and...
- 
  
    FederalUranium Location DatabaseU.S. Environmental Protection Agency — A GIS compiled locational database in Microsoft Access of ~15,000 mines with uranium occurrence or production, primarily in the western United States. The metadata...
- 
  
    FederalClean Air Status and Trends Network (CASTNET): OzoneU.S. Environmental Protection Agency — 8-hour daily maximum ozone concentrations as measured by the Clean Air Status and Trends Network (CASTNET)
- 
  
    FederalDrinking Water Maximum Contaminant Levels (MCLs)U.S. Environmental Protection Agency — National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards...
- 
  
    FederalDrinking Water Treatability Database (TDB)U.S. Environmental Protection Agency — The Drinking Water Treatability Database (TDB) presents referenced information on the control of contaminants in drinking water. It allows drinking water utilities,...
- 
  
    FederalReport on U.S. Methane Emissions 1990-2020: Inventories, Projections, and Opportunities for Reductions: 2001 Updated emission and cost estimatesU.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...
- 
  
    FederalCollection EPA Geospatial Data Download: Facility and Site InformationU.S. Environmental Protection Agency — Contains information about facilities or sites subject to environmental regulation, including key facility information along with associated environmental interests...
- 
  
    FederalClean Air Markets Program Data Application (CAMPD)U.S. Environmental Protection Agency — The Clean Air Markets Program Data (CAMPD) application, accessible at https://campd.epa.gov/, allows users to view Clean Air Markets data through the Custom Data...
- 
  
    FederalBeach Advisory and Closing Online Notification (BEACON) systemU.S. Environmental Protection Agency — Beach Advisory and Closing Online Notification system (BEACON) is a colletion of state and local data reported to EPA about beach closings and advisories. BEACON is...
- 
  
    FederalNitrous Oxide flux measurements under various amendmentsU.S. Environmental Protection Agency — The dataset consists of measurements of soil nitrous oxide emissions from soils under three different amendments: glucose, cellulose, and manure. Data includes the...
