FILLMORE WWTF

NPDES ID: MO0117722

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: 1 single-event violation.

Violations

February 28, 2026

Nitrogen, ammonia total [as N]

867% over limit

Discharged 23.2 mg/L against a permitted limit of 2.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

209% over limit

Discharged 23.2 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

2% over limit

Discharged 71.5 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

2% over limit

Discharged 46 mg/L against a permitted limit of 45 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

291% over limit

Discharged 29.3 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1121% over limit

Discharged 29.3 mg/L against a permitted limit of 2.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (5 days ago)