MAGNOLIA WATER UTILITY OPERATING CO., LLC- BEAU CHENE SUBDIVISION

NPDES ID: LAG540736

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

Violations

December 31, 2025

Coliform, fecal general

312% over limit

Discharged 823 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

September 30, 2025

Coliform, fecal general

104% over limit

Discharged 408 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

2% over limit

Discharged 408 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

27% over limit

Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

Solids, total suspended

58% over limit

Discharged 71 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

157% over limit

Discharged 77 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

71% over limit

Discharged 77 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

137% over limit

Discharged 71 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.05 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)