WILBUR STP
NPDES ID: WA0044920
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
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
Solids, total dissolved
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Sulfate [as S]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Depth to water level ft below landsurface
0% over limit
Discharged 0 m against a permitted limit of 0 m (MAXIMUM)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
September 30, 2025
Nitrogen, ammonia total [as N]
40% over limit
Discharged 1.4 mg/L against a permitted limit of 1 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
2620% over limit
Discharged 27.2 mg/L against a permitted limit of 1 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
271% over limit
Discharged 29.7 mg/L against a permitted limit of 8 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, total [as N]
15% over limit
Discharged 9.2 mg/L against a permitted limit of 8 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, total [as N]
46% over limit
Discharged 11.7 mg/L against a permitted limit of 8 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, total [as N]
38% over limit
Discharged 11 mg/L against a permitted limit of 8 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, total [as N]
21% over limit
Discharged 9.7 mg/L against a permitted limit of 8 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
July 31, 2024
Nitrite + Nitrate total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Solids, total dissolved
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MAXIMUM)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Depth to water level ft below landsurface
0% over limit
Discharged 0 m against a permitted limit of 0 m (MAXIMUM)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Sulfate [as S]
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
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)