MAGNOLIA WATER UTILITY OPERATING CO., LLC- HILLSHIRE

NPDES ID: LAG540618

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

87% over limit

Discharged 56 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

33% over limit

Discharged 60 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

13% over limit

Discharged 102 mg/L against a permitted limit of 90 mg/L (MO AVG)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

4% over limit

Discharged 140 mg/L against a permitted limit of 135 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

137% over limit

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

DMR, Limited - Numeric Violation

Solids, total suspended

37% over limit

Discharged 123 mg/L against a permitted limit of 90 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

58% over limit

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

DMR, Limited - Numeric Violation

December 31, 2024

Coliform, fecal general

3120% over limit

Discharged 12880 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

391% over limit

Discharged 221 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

144% over limit

Discharged 330 mg/L against a permitted limit of 135 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

267% over limit

Discharged 330 mg/L against a permitted limit of 90 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

6340% over limit

Discharged 12880 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

637% over limit

Discharged 221 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

10% over limit

Discharged 148 mg/L against a permitted limit of 135 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

64% over limit

Discharged 148 mg/L against a permitted limit of 90 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

69% over limit

Discharged 76 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

153% over limit

Discharged 76 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)