EPA v. CF & I STEEL L P/ DBA ROCKY MOUNTAIN STEEL MILLS
Final Order With Penalty
Case summary
On August 4th, the NPDES Enforcement Section issued a CAFO to Rocky Mountain Steel Mills for alleged Clean Water Act Section 402 violations at its steel mill in Pueblo, Colorado. The facility is authorized to discharge to the Arkansas River under NPDES individual permit CO0000621. The action follows an EPA inspection conducted in June 2023. EPA alleges the facility: (1) exceeded effluent limits for total suspended solids, zinc, and oil and grease, (2) failed to properly operate and maintain treatment and control systems, and (3) failed to properly collect samples for oil and grease. The Arkansas River is a water of the United States under the Clean Water Act, as well as state waters under Colorado law. The Consent Agreement was public noticed for 30 days and the Final Order was issued on August 4, 2026.
Defendants (1)
- CF & I STEEL L P/ DBA ROCKY MOUNTAIN STEEL MILLSNamed in complaintNamed in settlement
Facilities (1)
CF&I STEEL LP DBA ROCKY MOUNTAIN STEEL MILLS
2100 SOUTH FREEWAY, PUEBLO, CO, 81004
Registry ID: 110000467833
Statutes cited
- CWA 301/402 — NPDES Permit Violations
Enforcement conclusions (1)
CF & I STEEL L P/ DBA ROCKY MOUNTAIN STEEL MILLSentered 2026-08-03
Primary law: CWA
Federal penalty: $308,173
Timeline (3 milestones)
- 2026-08-03Complaint Filed/Proposed Order
- 2026-08-03Final Order Issued
- 2026-08-04Enforcement Action Data Entered
Case metadata
- EPA activity ID
- 3605036377
- Case number
- 08-2026-0252
- Lead agency
- EPA
- EPA region
- 08
- Voluntary self-disclosure
- No
- Primary statute
- NPDES Permit Violations
Sourced verbatim from EPA ECHO Enforcement Case Report for case 08-2026-0252 . Bulk data: ICIS-FEC download summary.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.