WILBUR STP

NPDES ID: WA0044920

D — SNC: Discharge monitoring report not received

The facility didn't submit its required discharge monitoring report.

This quarter: 2 permit schedule violations.

Violations

February 28, 2026

Nitrogen, ammonia total [as N]

170% over limit

Discharged 2.7 mg/L against a permitted limit of 1 mg/L (MAXIMUM)

DMR, Limited - Numeric Violation

Nitrogen, total [as N]

30% over limit

Discharged 10.4 mg/L against a permitted limit of 8 mg/L (MAXIMUM)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

196% over limit

Discharged 42.90299964 kg/d against a permitted limit of 14.48259988 kg/d (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2025

Phosphorus, total [as P]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)

DMR, Monitor Only - Overdue

Coliform, total general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MAXIMUM)

DMR, Monitor Only - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 0 SU (MAXIMUM)

DMR, Monitor Only - Overdue

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (5 days ago)