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07-2025-0121Administrative - FormalClosedFY 2025· Region 07

EPA v. Prosser POTW Biosolids ESA CWA 309G2E AO For Class I Penalties - Biosolids Expedited Settlement Prog

Final Order With Penalty

Case summary

Land applied Class B biosolids above ceiling concentration limits under 40 CFR 503.13

Defendants (1)

  • City of Prosser, WashingtonNamed in complaintNamed in settlement

Facilities (2)

  • PROSSER POTW

    601 7TH ST, PROSSER, WA, 99350-1459

    Registry ID: 110042063138

  • PROSSER POTW

    999 GRANDE RD, PROSSER, WA, 99350

    Registry ID: 110042063138

Statutes cited

  • CWA 301/402NPDES Permit Violations
  • CWA 405Sewage Sludge Disposal

Enforcement conclusions (1)

  • Prosser POTW Biosolids ESA CWA 309G2E AO For Class I Penalties - Biosolids Expedited Settlement Progentered 2025-09-29

    Primary law: CWA

    Federal penalty: $1,500

Timeline (5 milestones)

  • 2025-09-29Final Order Issued
  • 2025-09-29Complaint Filed/Proposed Order
  • 2025-09-30Enforcement Action Data Entered
  • 2025-10-29Enforcement Action Closed
  • 2025-10-29NPDES Closed

Case metadata

EPA activity ID
3604561044
Case number
07-2025-0121
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 07-2025-0121 . 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.