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.
Violations
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
Nitrogen, ammonia total [as N]
1524% over limit
Discharged 73.1 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2337% over limit
Discharged 73.1 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
144% over limit
Discharged 44 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
86% over limit
Discharged 0.138 kg/d against a permitted limit of 0.074 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
1400% over limit
Discharged 67.5 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
700% over limit
Discharged 144 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
362% over limit
Discharged 46.2 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1100% over limit
Discharged 144 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2150% over limit
Discharged 67.5 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
208% over limit
Discharged 46.2 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
1617% over limit
Discharged 25.76 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2476% over limit
Discharged 25.76 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
5% over limit
Discharged 0.039 kg/d against a permitted limit of 0.037 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
56% over limit
Discharged 0.039 kg/d against a permitted limit of 0.025 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
178% over limit
Discharged 50 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
423% over limit
Discharged 23.52 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
317% over limit
Discharged 50 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
684% over limit
Discharged 23.52 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Turbidity [severity]
0% over limit
Discharged 0 severity against a permitted limit of 0 severity (MO AVG)
DMR, Monitor Only - Overdue
Turbidity [severity]
0% over limit
Discharged 0 severity against a permitted limit of 0 severity (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.0007 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.0007 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
January 31, 2025
Turbidity [severity]
0% over limit
Discharged 0 severity against a permitted limit of 0 severity (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.0007 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Turbidity [severity]
0% over limit
Discharged 0 severity against a permitted limit of 0 severity (MO AVG)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.0007 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
December 31, 2024
pH
0% over limit
Discharged 7.4 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.12 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Overdue
Sludge waste from secondary clarifiers
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.074 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.37 kg/d (WKLY MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.12 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.25 kg/d (MO AVG)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Turbidity [severity]
0% over limit
Discharged 0 severity against a permitted limit of 0 severity (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0.3 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0.44 kg/d (WKLY MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.4 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 11 mg/L against a permitted limit of 6 mg/L (DAILY MN)
DMR, Limited - Overdue
Turbidity [severity]
0% over limit
Discharged 0 severity against a permitted limit of 0 severity (DAILY MX)
DMR, Monitor Only - Overdue
Sludge waste from secondary clarifiers
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.11 kg/d (WKLY MAX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)