NATIONAL WATER INFRASTRUCTURE LLC - OAK ALLEY MEADOWS

NPDES ID: LAG570653

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

Coliform, fecal general

590% over limit

Discharged 2760 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

80% over limit

Discharged 18 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

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

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

260% over limit

Discharged 18 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

200% over limit

Discharged 12 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

500% over limit

Discharged 12 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

1280% over limit

Discharged 2760 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

25% over limit

Discharged 2.5 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

17% over limit

Discharged 27 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

80% over limit

Discharged 27 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

86% over limit

Discharged 372 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

60% over limit

Discharged 8 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

660% over limit

Discharged 114 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

3% over limit

Discharged 206 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

396% over limit

Discharged 114 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

20% over limit

Discharged 12 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

140% over limit

Discharged 12 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Nitrogen, ammonia total [as N]

60% over limit

Discharged 6.4 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

50% over limit

Discharged 15 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

200% over limit

Discharged 15 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

13% over limit

Discharged 26 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

220% over limit

Discharged 6.4 mg/L against a permitted limit of 2 mg/L (MO 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

October 31, 2025

Coliform, fecal general

820% over limit

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

DMR, Limited - Numeric Violation

Coliform, fecal general

360% over limit

Discharged 1840 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2025

BOD, carbonaceous [5 day, 20 C]

100% over limit

Discharged 10 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

BOD, carbonaceous [5 day, 20 C]

40% over limit

Discharged 7 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

130% over limit

Discharged 9.2 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

360% over limit

Discharged 9.2 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]

90% over limit

Discharged 19 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

1280% over limit

Discharged 2760 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

625% over limit

Discharged 29 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

590% over limit

Discharged 2760 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

167% over limit

Discharged 40 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

280% over limit

Discharged 19 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

74% over limit

Discharged 40 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1350% over limit

Discharged 29 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

7% over limit

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

DMR, Limited - Numeric Violation

March 31, 2025

BOD, carbonaceous [5 day, 20 C]

220% over limit

Discharged 32 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

540% over limit

Discharged 32 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1400% over limit

Discharged 30 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

650% over limit

Discharged 30 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2025

Nitrogen, ammonia total [as N]

275% over limit

Discharged 15 mg/L against a permitted limit of 4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

490% over limit

Discharged 11.8 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

130% over limit

Discharged 23 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

280% over limit

Discharged 19 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]

100% over limit

Discharged 10 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2024

BOD, carbonaceous [5 day, 20 C]

0% over limit

Discharged 0 mg/L against a permitted limit of 5 mg/L (MO AVG)

DMR, Limited - Overdue

BOD, carbonaceous [5 day, 20 C]

0% over limit

Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Overdue

July 31, 2024

Solids, total suspended

26% over limit

Discharged 29 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

93% over limit

Discharged 29 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)