TOLUCA SEWAGE TREATMENT PLANT, CITY OF

NPDES ID: IL0021695

T — SNC: Compliance schedule reporting violation

The facility was more than 30 days late reporting progress on its compliance schedule.

This quarter: 2 effluent violations.

Violations

June 30, 2026

Coliform, fecal general

218% over limit

Discharged 1270 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2026

Solids, total suspended

20% over limit

Discharged 36 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

BOD, 5-day, 20 deg. C

40% over limit

Discharged 42 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

5% over limit

Discharged 39 mg/L against a permitted limit of 37 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Solids, total suspended

42% over limit

Discharged 64 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

16% over limit

Discharged 43 mg/L against a permitted limit of 37 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (3 hours ago)