WILDERNESS MOUNTAIN WWTF

NPDES ID: MO0139939

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

Violations

March 31, 2026

BOD, 5-day, 20 deg. C

120% over limit

Discharged 22 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 26 mg/L against a permitted limit of 20 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

917% over limit

Discharged 29.5 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

570% over limit

Discharged 29.5 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

47% over limit

Discharged 22 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

73% over limit

Discharged 26 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Nitrogen, ammonia total [as N]

555% over limit

Discharged 19 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

36% over limit

Discharged 13.6 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

50% over limit

Discharged 30 mg/L against a permitted limit of 20 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

332% over limit

Discharged 19 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

100% over limit

Discharged 30 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

243% over limit

Discharged 68.5 mg/L against a permitted limit of 20 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

E. coli

221% over limit

Discharged 2022 MPN/100mL against a permitted limit of 630 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

E. coli

1505% over limit

Discharged 2022 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

Solids, total suspended

357% over limit

Discharged 68.5 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

2232% over limit

Discharged 44.3 mg/L against a permitted limit of 1.9 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1428% over limit

Discharged 44.3 mg/L against a permitted limit of 2.9 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

Nitrogen, ammonia total [as N]

1876% over limit

Discharged 57.3 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

193% over limit

Discharged 44 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1202% over limit

Discharged 57.3 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

120% over limit

Discharged 44 mg/L against a permitted limit of 20 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

December 31, 2024

Phosphorus, total [as P]

768% over limit

Discharged 4.34 mg/L against a permitted limit of 0.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Nitrogen, ammonia total [as N]

36% over limit

Discharged 3 mg/L against a permitted limit of 2.2 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

100% over limit

Discharged 3 mg/L against a permitted limit of 1.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)