NPDES ID: OH0121258
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: 17 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
146% over limit
Discharged 0.14 kg/d against a permitted limit of 0.057 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
280% over limit
Discharged 3.8 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
153% over limit
Discharged 3.8 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
583% over limit
Discharged 1940 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
268% over limit
Discharged 0.14 kg/d against a permitted limit of 0.038 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
1440% over limit
Discharged 1940 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
127% over limit
Discharged 34 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
264% over limit
Discharged 16.4 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
163% over limit
Discharged 1.5 kg/d against a permitted limit of 0.57 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
338% over limit
Discharged 0.745 kg/d against a permitted limit of 0.17 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
82% over limit
Discharged 0.82 kg/d against a permitted limit of 0.45 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
21% over limit
Discharged 0.82 kg/d against a permitted limit of 0.68 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
447% over limit
Discharged 16.4 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
240% over limit
Discharged 34 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
577% over limit
Discharged 0.745 kg/d against a permitted limit of 0.11 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
295% over limit
Discharged 1.5 kg/d against a permitted limit of 0.38 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 18 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
365% over limit
Discharged 0.79 kg/d against a permitted limit of 0.17 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
600% over limit
Discharged 21 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
367% over limit
Discharged 21 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
618% over limit
Discharged 0.79 kg/d against a permitted limit of 0.11 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
11% over limit
Discharged 0.5 kg/d against a permitted limit of 0.45 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
E. coli, MTEC-MF
622% over limit
Discharged 2050 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
1527% over limit
Discharged 2050 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli, MTEC-MF
31% over limit
Discharged 373 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
196% over limit
Discharged 373 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli, MTEC-MF
940% over limit
Discharged 1310 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
361% over limit
Discharged 1310 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
693% over limit
Discharged 0.872 kg/d against a permitted limit of 0.11 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
327% over limit
Discharged 19.2 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
413% over limit
Discharged 0.872 kg/d against a permitted limit of 0.17 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
540% over limit
Discharged 19.2 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli, MTEC-MF
19% over limit
Discharged 150 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)