Where to Find EPA Data

EPA data is found in many places. We recommend you find EPA data by visiting these applications. They are listed in order of broadest data coverage.

• EPA’s Enterprise Data Catalog hosts the inventory of EPA's Open Data resources. This inventory contains metadata records, contributed by EPA Regions, Program Office and Research Laboratories, that contain links to EPA data resources. 
• Use the Envirofacts Multisystem Search to search multiple environmental databases for facility information, including toxic chemical releases, water discharge permit compliance, hazardous waste handling processes, Superfund status and air emission estimates. 
• Use EnviroAtlas for geospatial data, easy-to-use tools, and other resources related to ecosystem services, their stressors and human health. You can learn more about all our available geospatial data from the Geospatial Program.  

Topical Data 

Aside from the applications listed above, you can jump to the websites below to find more data about specific topical areas: 

• Air Quality Data and Tools
• Chemical Data
• Clean Air Power Sector Data and Tools
• Climate Change Impacts and Risk Analysis
• Compliance and Fuel Economy Data for Vehicles and Engines
• ECOTOX (Single chemical environmental toxicity data on aquatic and terrestrial species.) 
• Enforcement Data and Results
• Environmental Quality Index
• Environmental Sampling and Analytical Methods (For homeland security-related contamination incidents.) 
• Grants Overview for Applicants and Recipients
• Greenhouse Gas Data
• Outdoor Air Data
• Planning, Budget, and Results
• RADAR (Remediation data repository for site cleanup data.) 
• Site Specific National Cleanup Databases
• Superfund (Environmental emergency and natural disaster sites.) 
• Toxics Release Inventory
• Water Data and Tools
• Water Nutrient Pollution Policy and Data
• Water Quality

Other EPA Data Topics 

The topics below relate to EPA data, but won't necessarily link you to those data. 

Central Data Exchange 

EPA collects regulatory data through the Central Data Exchange. CDX collects electronically consistent with the Cross Media Reporting Rule.  

Research 

Learn more about Research at EPA by using the SMaRT Search Tool or going directly to our Science Inventory to search for publications. 

Participatory Science

EPA practices Participatory Science (also known as citizen science), which allows us to engage the public in asking questions, participating in data gathering, and interpreting results.

Quality 

The EPA Quality Program  provides oversight and requirements for how EPA manages the quality of its environmental information.   

Registries 

EPA organizes our registries in the System of Registries. These resources can be used by developers, data scientists, and the public to understand environmental terminology and the data used by the agency.