NATIONAL WATER INFRASTRUCTURE, LLC - LAMAR DIXON WWTP

NPDES ID: LA0127775

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

140% over limit

Discharged 24 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

210% over limit

Discharged 31 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

107% over limit

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

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

60% over limit

Discharged 24 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

January 31, 2026

BOD, 5-day, 20 deg. C

40% over limit

Discharged 14 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

BOD, 5-day, 20 deg. C

50% over limit

Discharged 15 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

360% over limit

Discharged 1840 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

27% over limit

Discharged 19 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

90% over limit

Discharged 19 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

820% over limit

Discharged 1840 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

November 30, 2025

Coliform, fecal general

360% over limit

Discharged 1840 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

820% over limit

Discharged 1840 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

180% over limit

Discharged 28 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

360% over limit

Discharged 1840 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

87% over limit

Discharged 28 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

820% over limit

Discharged 1840 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

August 31, 2025

Coliform, fecal general

222% over limit

Discharged 1288 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

7% over limit

Discharged 16 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

60% over limit

Discharged 16 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

544% over limit

Discharged 1288 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

20% over limit

Discharged 12 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Coliform, fecal general

130% over limit

Discharged 920 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

80% over limit

Discharged 18 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

360% over limit

Discharged 920 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

Discharged 18 mg/L against a permitted limit of 15 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)