Enforcement and Compliance History Online — facilities under CAA/CWA/RCRA/EPCRA regulation.
Every record in this dataset can be traced back to its primary source at https://echo.epa.gov/. Source-specific terms apply. US federal employee-authored works are generally public domain under 17 USC 105; non-federal and third-party material retains source terms. Free or keyless access does not alter source terms. AI Analytics-authored metadata and normalization are CC0 only where expressly stated.