Every facility involved in an EPA federal enforcement action. 161,617 case-facility links via Registry ID + PGM_SYS_ID, joining epa_enforcement_cases to specific polluting facilities. Includes case-level role (defendant, related), facility EPA Registry ID, ICIS facility ID, NPDES ID, PGM_SYS_ID. Powers /epa-case/{activity_id} → facilities listing.
The listed URL identifies a referenced source; it does not by itself document the ingestion endpoint. Referenced source URL: https://echo.epa.gov/tools/data-downloads. 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. Metadata and normalization authored by MORVS (AI Analytics LLC) are CC0 only where expressly stated.