MAGNOLIA WATER UTILITY OPERATING CO., LLC- LAKE STREET

NPDES ID: LA0081981

X — SNC: Effluent violation (non-monthly average limit)

The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.

This quarter: 3 effluent violations, 1 compliance schedule violation.

Violations

April 30, 2026

Coliform, fecal general

68% over limit

Discharged 670 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

133% over limit

Discharged 35 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

30% over limit

Discharged 13 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

BOD, 5-day, 20 deg. C

7% over limit

Discharged 16 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

20% over limit

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

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

139% over limit

Discharged 55 mg/L against a permitted limit of 23 mg/L (DAILY MX)

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

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

BOD, 5-day, 20 deg. C

60% over limit

Discharged 24 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

100% over limit

Discharged 30 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

313% over limit

Discharged 95 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2025

Coliform, fecal general

820% over limit

Discharged 3680 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

40% over limit

Discharged 21 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

BOD, 5-day, 20 deg. C

40% over limit

Discharged 21 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

October 31, 2025

BOD, 5-day, 20 deg. C

87% over limit

Discharged 28 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

193% over limit

Discharged 44 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

100% over limit

Discharged 20 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

161% over limit

Discharged 60 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

91% over limit

Discharged 44 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

100% over limit

Discharged 30 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

113% over limit

Discharged 32 mg/L against a permitted limit of 15 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

120% over limit

Discharged 22 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 6 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

May 31, 2025

Solids, total suspended

9% over limit

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

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

260% over limit

Discharged 54 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

120% over limit

Discharged 22 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

Solids, total suspended

13% over limit

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

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

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

BOD, 5-day, 20 deg. C

Limit violation

Discharged 41 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

BOD, 5-day, 20 deg. C

10% over limit

Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

27% over limit

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

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

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

BOD, 5-day, 20 deg. C

7% over limit

Discharged 16 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

11% over limit

Discharged 222 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

December 31, 2024

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

Solids, total suspended

87% over limit

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

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

147% over limit

Discharged 37 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

104% over limit

Discharged 47 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 211 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

November 30, 2024

Coliform, fecal general

Limit violation

Discharged 49 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2024

Solids, total suspended

13% over limit

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

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

61% over limit

Discharged 37 mg/L against a permitted limit of 23 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2024

Coliform, fecal general

9% over limit

Discharged 435 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.022 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.016 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (3 hours ago)