EPA Envirofacts API
US EPA
Up· checked 14 Nov 2026, 01:55 UTCNo keyEnergy & environment
TRI, water and air facility data by location.
Details
- Access
- No keyOpen access: no account or key needed.
- Coverage
- us
- Updates
- monthly
- Formats
- JSONCSVXML
- License
- Public domain (US gov)
- API base
https://data.epa.gov/efservice- Tags
- toxics, facilities, emissions
- Added
- 14 Nov 2026
Status checks
Up Last check 14 Nov 2026, 01:55 UTC, HTTP 200, 1,278 ms.
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