WASHBURN STP, VILLAGE OF

NPDES ID: IL0039411

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: 3 effluent violations.

Violations

June 30, 2026

Solids, total suspended

35% over limit

Discharged 50 mg/L against a permitted limit of 37 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

11% over limit

Discharged 50 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

May 31, 2026

Solids, total suspended

19% over limit

Discharged 44 mg/L against a permitted limit of 37 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

57% over limit

Discharged 58 mg/L against a permitted limit of 37 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

29% over limit

Discharged 58 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

81% over limit

Discharged 67 mg/L against a permitted limit of 37 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (4 days ago)