THE HIGHLANDS WWTF

NPDES ID: MO0039012

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: 2 effluent violations, 1 compliance schedule violation.

Violations

June 30, 2026

Nitrogen, ammonia total [as N]

507% over limit

Discharged 8.5 mg/L against a permitted limit of 1.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

113% over limit

Discharged 8.5 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2026

Nitrogen, ammonia total [as N]

621% over limit

Discharged 20.9 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

186% over limit

Discharged 20.9 mg/L against a permitted limit of 7.3 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

E. coli

1075% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

E. coli

135% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 1030 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (5 days ago)