HOMER WASTEWATER TREATMENT PLANT

NPDES ID: IL0050300

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: 3 effluent violations.

Violations

April 30, 2026

Nitrogen, ammonia total [as N]

31% over limit

Discharged 1.96 mg/L against a permitted limit of 1.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

31% over limit

Discharged 59 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

97% over limit

Discharged 59 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Nitrogen, ammonia total [as N]

238% over limit

Discharged 12.5 mg/L against a permitted limit of 3.7 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

733% over limit

Discharged 12.5 mg/L against a permitted limit of 1.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

140% over limit

Discharged 12.5 mg/L against a permitted limit of 5.2 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

6% over limit

Discharged 3.27333997 kg/d against a permitted limit of 3.08719997 kg/d (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

334% over limit

Discharged 12.6 mg/L against a permitted limit of 2.9 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2026

Nitrogen, ammonia total [as N]

119% over limit

Discharged 6.36 mg/L against a permitted limit of 2.9 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

Solids, total suspended

10% over limit

Discharged 33 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)