EPA v. MARATHON REFNERY AND NIKISKI TERMINAL (CWA NPDES)
Final Order With Penalty
Case summary
On July 22, 2025, Region 10 filed an expedited settlement agreement resolving violations of the Clean Water Act by Marathon Refinery & Nikiski Terminal (Kenai, AK). The facility is a petroleum refinery and bulk fuel storage terminal located adjacent to Cook Inlet. An EPA spill prevention, control and countermeasure (SPCC) inspection on June 10, 2024 and determined deficiencies in their SPCC plan. The refinery and storage terminal has a storage capacity of approximately 154,400,000 gallons. Marathon has agreed to pay penalty of $3,300 for the SPCC regulatory violations.
Defendants (1)
- TESORO ALASKA COMPANY LLCNamed in complaintNamed in settlement
Facilities (1)
MARATHON KENAI REFINERY AND NIKISKI TERMINAL
54741 TESORO RD, KENAI, AK, 99611
Statutes cited
- CWA 311J — SPCC and/or Federal Response Plan Violations
Enforcement conclusions (1)
MARATHON REFNERY AND NIKISKI TERMINAL (CWA NPDES)entered 2025-07-22
Primary law: CWA
Federal penalty: $3,300
Timeline (4 milestones)
- 2025-06-17Enforcement Action Data Entered
- 2025-07-22Complaint Filed/Proposed Order
- 2025-07-22Final Order Issued
- 2025-07-23Enforcement Action Closed
Case metadata
- EPA activity ID
- 3604433340
- Case number
- 10-2025-0116
- Lead agency
- EPA
- EPA region
- 10
- Voluntary self-disclosure
- No
- Primary statute
- SPCC and/or Federal Response Plan Violations
Sourced verbatim from EPA ECHO Enforcement Case Report for case 10-2025-0116 . 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.