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10-2025-0161Administrative - FormalClosedFY 2025· Region 10

EPA v. SIMPLOT TRANSPORTATION - ESA (CWA NPDES)

Final Order With Penalty

Case summary

On November 20, 2025, Region 10 filed an Expediate Settlement Agreement resolving violations of the National Pollutant Discharge Elimination System (NPDES) Multi-Sector General Permit for Stormwater Discharges Associated with Industrial Activity by Simplot Transportation, located in Caldwell, Idaho. Alleged violations include missing routine site inspections and quarterly visual assessments, failure to collect benchmark samples, failure you to sign reports, missing information on the annual report, missing employee training, and missing information on the storm water pollution prevention plan. The Respondent has agreed to pay penalty of $3,418 and has returned to compliance.

Defendants (1)

  • SIMPLOT TRANSPORTATIONNamed in complaintNamed in settlement

Facilities (1)

  • SIMPLOT TRANSPORTATION

    323 LA FOND STREET, CALDWELL, ID, 83605

    Registry ID: 110005784017

Statutes cited

  • CWA 301/402NPDES Permit Violations

Enforcement conclusions (1)

  • SIMPLOT TRANSPORTATION - ESA (CWA NPDES)entered 2025-11-20

    Primary law: CWA

    Federal penalty: $3,418

Timeline (5 milestones)

  • 2025-08-06Enforcement Action Data Entered
  • 2025-11-20Final Order Issued
  • 2025-11-20Complaint Filed/Proposed Order
  • 2025-11-21Enforcement Action Closed
  • 2025-11-21NPDES Closed

Case metadata

EPA activity ID
3604480276
Case number
10-2025-0161
Lead agency
EPA
EPA region
10
Voluntary self-disclosure
No
Primary statute
NPDES Permit Violations

Sourced verbatim from EPA ECHO Enforcement Case Report for case 10-2025-0161 . 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.