NPDES ID: OH0111953
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
BOD, carbonaceous [5 day, 20 C]
46% over limit
Discharged 14.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
142% over limit
Discharged 7.26 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
61% over limit
Discharged 7.26 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
19% over limit
Discharged 5.35 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
78% over limit
Discharged 5.35 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
BOD, carbonaceous [5 day, 20 C]
2719198% over limit
Discharged 31000 kg/d against a permitted limit of 1.14 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3815690% over limit
Discharged 2900 kg/d against a permitted limit of 0.076 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1754286% over limit
Discharged 20000 kg/d against a permitted limit of 1.14 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
2197702% over limit
Discharged 20000 kg/d against a permitted limit of 0.91 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
4078847% over limit
Discharged 31000 kg/d against a permitted limit of 0.76 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2543760% over limit
Discharged 2900 kg/d against a permitted limit of 0.114 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli, MTEC-MF
154% over limit
Discharged 320 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
13% over limit
Discharged 320 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)