EPA v. Heidelberg Materials US Cement LLC CWA 309A AO For Compliance
Final Order No Penalty
Case summary
On June 22, 2026, the EPA issued an Administrative Order for Compliance on Consent to Heidelberg Materials US Cement, LLC, under Section 309 of the Clean Water Act to correct alleged violations of the NPDES permits for the facility and the CWA.
Defendants (1)
- Heidelberg Materials US Cement LLCNamed in complaintNamed in settlement
Facilities (1)
HEIDELBERG MATERIALS US CEMENT LLC
700 25TH ST NW, MASON CITY, IA, 50401
Registry ID: 110072214416
Statutes cited
- CWA 301/402 — NPDES Permit Violations
Enforcement conclusions (1)
Heidelberg Materials US Cement LLC CWA 309A AO For Complianceentered 2026-06-22
Primary law: CWA
Timeline (3 milestones)
- 2026-06-22Final Order Issued
- 2026-06-22Complaint Filed/Proposed Order
- 2026-07-13Enforcement Action Data Entered
Case metadata
- EPA activity ID
- 3605012026
- Case number
- 07-2026-0067
- Lead agency
- EPA
- EPA region
- 07
- Voluntary self-disclosure
- No
- Primary statute
- NPDES Permit Violations
Sourced verbatim from EPA ECHO Enforcement Case Report for case 07-2026-0067 . Bulk data: ICIS-FEC download summary.
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