Frequent Questions

Where Can I Access EPA Data or Datasets?

Data.gov is a one-stop shop for all Federal Government datasets. EPA continues to be an early and frequent publisher on Data.gov, and supplies a robust suite of metadata for datasets published on the site.

Developer Central is a resource for developers who want to build applications using EPA data and Web services. It provides developers a venue for ranking EPA resources and interacting with Agency staff and other developers through the Data and Developer’s Forum. Developers can also request preferred formats for data such as APIs and tag and perform cross-category queries of datasets, APIs, codes, and widgets.

Air Quality Data Collected at Outdoor Monitors Across the US: The AirData website gives you access to air quality data collected at outdoor monitors across the United States, Puerto Rico, and the U. S. Virgin Islands. The data comes primarily from the AQS (Air Quality System) database. You can choose from several ways of looking at the data.

Environmental Dataset Gateway (EDG) facilitates the discovery of geospatial data resources made available by EPA’s Program Offices, Regions, and Laboratories. At the core of the EDG is the metadata catalog, a repository containing metadata records describing the information resources. Each metadata record describes an information resource: the type of information (geospatial dataset, report, fact sheet, etc.), producer, scope, extent, and other descriptive information. The datasets are meant to be reused.

Reusable Component Services (RCS) is a registry of reusable resources of many types. The resources are used to build, document, and test systems and applications.

Use ChemView to get information on chemical health and safety data received by EPA and EPA's assessments and regulatory actions for specific chemicals under the Toxic Substances Control Act (TSCA). ChemView contains no confidential business information (CBI).

EPA’s Enforcement and Compliance History Online (ECHO) is a resource for information about environmental inspections, violations, and enforcement actions for more than 800,000 EPA-regulated facilities. The data (sourced from EPA, states, tribes and local environmental agencies) are exposed as web services to allow for the data to be reused.

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