OLA, CITY OF - OLA WASTEWATER TREATMENT FACILITY

NPDES ID: AR0035688

E — SNC: Effluent violation (monthly average limit)

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

This quarter: 1 effluent violation.

Violations

May 31, 2026

Solids, total suspended

18% over limit

Discharged 16.04435987 kg/d against a permitted limit of 13.61999989 kg/d (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

58% over limit

Discharged 21.56499982 kg/d against a permitted limit of 13.61999989 kg/d (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

45% over limit

Discharged 19.70359983 kg/d against a permitted limit of 13.61999989 kg/d (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

1% over limit

Discharged 13.75619988 kg/d against a permitted limit of 13.61999989 kg/d (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

25% over limit

Discharged 25.05 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

20% over limit

Discharged 2400 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 33.1 mg/L against a permitted limit of 30 mg/L (7 DA AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

36% over limit

Discharged 1359 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

21% over limit

Discharged 16.41209986 kg/d against a permitted limit of 13.61999989 kg/d (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

13% over limit

Discharged 22.65 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

53% over limit

Discharged 20.79319983 kg/d against a permitted limit of 13.61999989 kg/d (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2025

Solids, total suspended

22% over limit

Discharged 36.7 mg/L against a permitted limit of 30 mg/L (7 DA AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)