MERRYVILLE, TOWN OF - WASTEWATER TREATMENT FACILITY

NPDES ID: LA0055867

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: 4 effluent violations.

Violations

May 31, 2026

Solids, total suspended

1% over limit

Discharged 15.1 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2026

Solids, total suspended

21% over limit

Discharged 17.16119986 kg/d against a permitted limit of 14.2102 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

41% over limit

Discharged 32.5 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

111% over limit

Discharged 31.6 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

62% over limit

Discharged 37.3 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

69% over limit

Discharged 25.4 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

15% over limit

Discharged 26.4 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

31% over limit

Discharged 19.6 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

81% over limit

Discharged 27.2 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

48% over limit

Discharged 20.99295982 kg/d against a permitted limit of 14.2102 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

33% over limit

Discharged 30.7 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Chlorine, total residual

2658% over limit

Discharged 0.91 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

May 31, 2025

Chlorine, total residual

203% over limit

Discharged 0.1 mg/L against a permitted limit of 0.033 mg/L (INST MAX)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

154% over limit

Discharged 58.4 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

177% over limit

Discharged 39.37541967 kg/d against a permitted limit of 14.2102 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

141% over limit

Discharged 36.1 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

Solids, total suspended

24% over limit

Discharged 28.6 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 19.5 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

44% over limit

Discharged 21.6 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

Discharged 27.5 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Solids, total suspended

118% over limit

Discharged 32.7 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

22% over limit

Discharged 17.27469985 kg/d against a permitted limit of 14.2102 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

111% over limit

Discharged 48.6 mg/L against a permitted limit of 23 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)