3 sources hold this plant, and 6 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, BR, CEDRI, E-GGRT, ICIS, NPDES, OSHA-OIS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen AUG 2026 · last seen AUG 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110000467833 · first seen JUN 2017 · last seen JUN 2017

IN PUEBLO COUNTY4 other plants share this one’s industry (Iron and Steel Mills and Ferroalloy Manufacturing, NAICS 3311); 2 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: ROCKY MOUNTAIN STEEL MILL · NOV 2026
Street address: EPA: 2100 SOUTH FREEWAY · NOV 2026
City: EPA: PUEBLO · NOV 2026
State: EPA: CO · NOV 2026
Coordinates: EPA: 38.31305,-104.63548 · NOV 2026
Hazardous waste generator (RCRA): EPA ECHO: LQG · NOV 2026

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