MINDORO SAN DIST 1 WWTF

NPDES ID: WI0029106

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: 8 effluent violations.

Violations

June 30, 2026

BOD, 5-day, 20 deg. C

4% over limit

Discharged 31.2 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

13% over limit

Discharged 51 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

May 31, 2026

BOD, 5-day, 20 deg. C

110% over limit

Discharged 63 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

40% over limit

Discharged 1.3995 mg/L against a permitted limit of 1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

142% over limit

Discharged 109 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

58% over limit

Discharged 47.5 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (6 days ago)