MAGNOLIA WATER UTILITY OPERATING COMPANY LLC - ARROWHEAD SUBDIVISION
NPDES ID: LAG560500
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 2 effluent violations.
Violations
June 30, 2026
Coliform, fecal general
84% over limit
Discharged 736 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total suspended
40% over limit
Discharged 28 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, carbonaceous [5 day, 20 C]
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
30% over limit
Discharged 6.5 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]
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)