MULDROW UTILITY AUTHORITY

NPDES ID: OK0032573

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: 1 effluent violation.

Violations

June 30, 2026

Chlorine, total residual

7213% over limit

Discharged 7.24 mg/L against a permitted limit of 0.099 mg/L (INST MAX)

DMR, Limited - Numeric Violation

February 28, 2026

Chlorine, total residual

557% over limit

Discharged 0.65 mg/L against a permitted limit of 0.099 mg/L (INST MAX)

DMR, Limited - Numeric Violation

February 28, 2025

pH

0% over limit

Discharged 6.1 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Numeric Violation

January 31, 2025

pH

0% over limit

Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total suspended

13% over limit

Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

107% over limit

Discharged 93 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (4 hours ago)