MONROE WASTEWATER TREATMENT FACILITY
NPDES ID: WI0020362
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 6 effluent violations, 1 single-event violation.
Violations
June 30, 2026
Phosphorus, total [as P]
23% over limit
Discharged 0.1128 mg/L against a permitted limit of 0.092 mg/L (6 MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Phosphorus, total [as P]
98% over limit
Discharged 2.51956378 kg/d against a permitted limit of 1.27119999 kg/d (6 MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
309% over limit
Discharged 0.3763 mg/L against a permitted limit of 0.092 mg/L (6 MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Phosphorus, total [as P]
89% over limit
Discharged 0.1742 mg/L against a permitted limit of 0.092 mg/L (6 MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
1% over limit
Discharged 1.28218679 kg/d against a permitted limit of 1.27119999 kg/d (6 MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 4.73 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)