SAVANNAH HEIGHTS WWTF

NPDES ID: MO0116564

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

Nitrogen, ammonia total [as N]

573% over limit

Discharged 7.4 mg/L against a permitted limit of 1.1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

28% over limit

Discharged 7.4 mg/L against a permitted limit of 5.8 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2026

Nitrogen, ammonia total [as N]

353% over limit

Discharged 4.98 mg/L against a permitted limit of 1.1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Nitrogen, ammonia total [as N]

55% over limit

Discharged 3.56 mg/L against a permitted limit of 2.3 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Nitrogen, ammonia total [as N]

20% over limit

Discharged 1.32 mg/L against a permitted limit of 1.1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2025

Nitrogen, ammonia total [as N]

9% over limit

Discharged 1.2 mg/L against a permitted limit of 1.1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (10 hours ago)