LIVINGSTON PARISH SEWER DISTRICT - ISABELLA LAKES SUBD.

NPDES ID: LAG560398

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

Nitrogen, ammonia total [as N]

2145% over limit

Discharged 44.9 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

688% over limit

Discharged 39.4 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

15% over limit

Discharged 230 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1023% over limit

Discharged 44.9 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

294% over limit

Discharged 39.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

1338% over limit

Discharged 57.5 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

2775% over limit

Discharged 57.5 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

28% over limit

Discharged 19.2 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

158% over limit

Discharged 25.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

416% over limit

Discharged 25.8 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Nitrogen, ammonia total [as N]

1565% over limit

Discharged 33.3 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

733% over limit

Discharged 33.3 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

428% over limit

Discharged 26.4 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

53% over limit

Discharged 23 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

164% over limit

Discharged 26.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Nitrogen, ammonia total [as N]

783% over limit

Discharged 35.3 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

476% over limit

Discharged 28.8 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

188% over limit

Discharged 28.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1665% over limit

Discharged 35.3 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

33% over limit

Discharged 20 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

35% over limit

Discharged 31 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

107% over limit

Discharged 31 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

78% over limit

Discharged 8.9 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2025

Nitrogen, ammonia total [as N]

1170% over limit

Discharged 25.4 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

535% over limit

Discharged 25.4 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

266% over limit

Discharged 18.3 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

83% over limit

Discharged 18.3 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

15% over limit

Discharged 26.4 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

76% over limit

Discharged 26.4 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

BOD, carbonaceous [5 day, 20 C]

310% over limit

Discharged 20.5 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1920% over limit

Discharged 40.4 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

910% over limit

Discharged 40.4 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 25.2 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

105% over limit

Discharged 20.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

68% over limit

Discharged 25.2 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

Nitrogen, ammonia total [as N]

383% over limit

Discharged 19.3 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

865% over limit

Discharged 19.3 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

BOD, carbonaceous [5 day, 20 C]

90% over limit

Discharged 9.5 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

138% over limit

Discharged 9.5 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

375% over limit

Discharged 9.5 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2025

BOD, carbonaceous [5 day, 20 C]

402% over limit

Discharged 25.1 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

151% over limit

Discharged 25.1 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2025

BOD, carbonaceous [5 day, 20 C]

74% over limit

Discharged 8.7 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

67% over limit

Discharged 25 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

9% over limit

Discharged 25 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2025

BOD, carbonaceous [5 day, 20 C]

18% over limit

Discharged 5.9 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

BOD, carbonaceous [5 day, 20 C]

8% over limit

Discharged 5.4 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

33% over limit

Discharged 20 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total suspended

15% over limit

Discharged 17.2 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Nitrogen, ammonia total [as N]

1995% over limit

Discharged 41.9 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

948% over limit

Discharged 41.9 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

546% over limit

Discharged 64.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

1192% over limit

Discharged 64.6 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 1000 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 1000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

44% over limit

Discharged 2.82 mg/L against a permitted limit of 5 mg/L (MO AV MN)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

29% over limit

Discharged 29.6 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

925% over limit

Discharged 4100 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

97% over limit

Discharged 29.6 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

998% over limit

Discharged 43.9 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

2095% over limit

Discharged 43.9 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

1950% over limit

Discharged 4100 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

August 31, 2024

Nitrogen, ammonia total [as N]

895% over limit

Discharged 39.8 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1890% over limit

Discharged 39.8 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

15% over limit

Discharged 26.4 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

76% over limit

Discharged 26.4 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

234% over limit

Discharged 16.7 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

67% over limit

Discharged 16.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

July 31, 2024

BOD, carbonaceous [5 day, 20 C]

18% over limit

Discharged 5.9 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1200% over limit

Discharged 26 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

17% over limit

Discharged 17.5 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

550% over limit

Discharged 26 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)