WINIFRED DOMESTIC WWTF
NPDES ID: MT0031453
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 15 effluent violations, 1 compliance schedule violation, 1 permit schedule violation.
Violations
May 31, 2026
E. coli, MTEC-MF
1448% over limit
Discharged 3900 MPN/100mL against a permitted limit of 252 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
153% over limit
Discharged 114 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
2995% over limit
Discharged 3900 MPN/100mL against a permitted limit of 126 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
37% over limit
Discharged 41 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
110% over limit
Discharged 68.5 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
471% over limit
Discharged 14.3 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)