NATIONAL WATER INFRASTRUCTURE, LLC - HENDERSON BAYOU ESTATES SUBDIVISION

NPDES ID: LAG570287

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

113% over limit

Discharged 32 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

48% over limit

Discharged 34 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

127% over limit

Discharged 34 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

220% over limit

Discharged 32 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

27% over limit

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

DMR, Limited - Numeric Violation

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

Coliform, fecal general

90% over limit

Discharged 380 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

47% over limit

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

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

27% over limit

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

DMR, Limited - Numeric Violation

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

March 31, 2025

BOD, 5-day, 20 deg. C

130% over limit

Discharged 23 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

53% over limit

Discharged 23 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total suspended

13% over limit

Discharged 17 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Coliform, fecal general

1556% over limit

Discharged 3312 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

728% over limit

Discharged 3312 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

40% over limit

Discharged 21 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2024

Solids, total suspended

43% over limit

Discharged 32.8 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

119% over limit

Discharged 32.8 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

95% over limit

Discharged 390 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)