All data sources

EPA Envirofacts

Free

EPA's unified REST API across TRI, PCS/NPDES, and FRS facility records.

No key required. Included on Free.

What you can ask

  • “What does EPA Envirofacts have for the area or asset I'm working on?”
  • “Pull the most recent EPA Envirofacts records and put them in a table.”
  • “What does EPA Envirofacts cover, and how fresh is the data?”

About this source

EPA Envirofacts — TRI facilities, legacy PCS/NPDES water permits (PCS was retired about 2012; most records are older), and the FRS facility registry. Search by state, county, ZIP, or facility-name prefix.

Connector ID envirofacts

Provenance

PublisherEPA Envirofacts

Freshness & coverage

FreshnessFreshness not declared
GeographicNot declared
TemporalNot declared
AuthenticationNo credentials required

› Methods (3)

Technical detail for developers: parameters, pagination, units, and freshness per method.

  • searchTriFacility

    read

    Search EPA TRI facilities. Requires state, county, facilityName, or zipCode to bound results.

    Required paramsstate or county or facilityName or zipCode
  • searchPcsPermit

    read

    Search legacy EPA PCS NPDES permits (mostly pre-2012). Requires state or facilityName.

    Required paramsstate or facilityName
  • getFrsFacility

    read

    EPA FRS facilities by registryId, state, or facilityName. Combines filters; no programId.

    Required paramsregistryId or state or facilityName