MAC'S CONVENIENCE STORE LLC DBA CIRCLE K #5592
NPDES ID: OH0144550
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
Solids, total suspended
25% over limit
Discharged 15 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
46% over limit
Discharged 0.035 kg/d against a permitted limit of 0.0239 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
139% over limit
Discharged 0.0095 kg/d against a permitted limit of 0.00398 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
33% over limit
Discharged 4 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 0.035 kg/d against a permitted limit of 0.0159 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
59% over limit
Discharged 0.0095 kg/d against a permitted limit of 0.00597 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
70% over limit
Discharged 0.027 kg/d against a permitted limit of 0.0159 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
95% over limit
Discharged 0.00778 kg/d against a permitted limit of 0.00398 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
43% over limit
Discharged 0.019 kg/d against a permitted limit of 0.0133 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 0.027 kg/d against a permitted limit of 0.0239 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
30% over limit
Discharged 0.00778 kg/d against a permitted limit of 0.00597 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
2697% over limit
Discharged 0.0372 kg/d against a permitted limit of 0.00133 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
17% over limit
Discharged 14 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
424% over limit
Discharged 5.24 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
523% over limit
Discharged 0.099 kg/d against a permitted limit of 0.0159 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 0.021 kg/d against a permitted limit of 0.0133 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 0.021 kg/d against a permitted limit of 0.0199 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1769% over limit
Discharged 0.0372 kg/d against a permitted limit of 0.00199 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
249% over limit
Discharged 5.24 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
314% over limit
Discharged 0.099 kg/d against a permitted limit of 0.0239 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
1377% over limit
Discharged 0.0294 kg/d against a permitted limit of 0.00199 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 0.021 kg/d against a permitted limit of 0.0133 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 0.021 kg/d against a permitted limit of 0.0199 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
745% over limit
Discharged 8.45 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
463% over limit
Discharged 8.45 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 0.035 kg/d against a permitted limit of 0.0159 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
46% over limit
Discharged 0.035 kg/d against a permitted limit of 0.0239 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2111% over limit
Discharged 0.0294 kg/d against a permitted limit of 0.00133 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
127% over limit
Discharged 6.8 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
252% over limit
Discharged 0.014 kg/d against a permitted limit of 0.00398 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
51% over limit
Discharged 6.8 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
45% over limit
Discharged 0.023 kg/d against a permitted limit of 0.0159 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
135% over limit
Discharged 0.014 kg/d against a permitted limit of 0.00597 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
360% over limit
Discharged 0.11 kg/d against a permitted limit of 0.0239 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
428% over limit
Discharged 0.021 kg/d against a permitted limit of 0.00398 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
362% over limit
Discharged 0.092 kg/d against a permitted limit of 0.0199 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
8% over limit
Discharged 13 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
592% over limit
Discharged 0.11 kg/d against a permitted limit of 0.0159 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
252% over limit
Discharged 0.021 kg/d against a permitted limit of 0.00597 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
592% over limit
Discharged 0.092 kg/d against a permitted limit of 0.0133 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
15% over limit
Discharged 5.1 mg/L against a permitted limit of 6 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
13% over limit
Discharged 0.018 kg/d against a permitted limit of 0.0159 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
121% over limit
Discharged 0.0044 kg/d against a permitted limit of 0.00199 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
231% over limit
Discharged 0.0044 kg/d against a permitted limit of 0.00133 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)