CIRCLE K #5564

NPDES ID: OH0151629

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: 2 effluent violations, 1 single-event violation.

Violations

June 30, 2026

Nitrogen, ammonia total [as N]

104% over limit

Discharged 2.04 mg/L against a permitted limit of 1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

36% over limit

Discharged 2.04 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

March 31, 2026

Nitrogen, ammonia total [as N]

25% over limit

Discharged 0.138 kg/d against a permitted limit of 0.11 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

20% over limit

Discharged 18 mg/L against a permitted limit of 15 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

267% over limit

Discharged 44 mg/L against a permitted limit of 12 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

80% over limit

Discharged 18 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (6 days ago)