NPDES ID: OH0101150
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
E. coli, MTEC-MF
3% over limit
Discharged 130 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
485% over limit
Discharged 5.5 mg/L against a permitted limit of 0.94 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
376% over limit
Discharged 3.43 mg/L against a permitted limit of 0.72 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
41% over limit
Discharged 5 mg/L against a permitted limit of 3.54 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
124% over limit
Discharged 0.426 kg/d against a permitted limit of 0.19 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
156% over limit
Discharged 0.641 kg/d against a permitted limit of 0.25 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
62% over limit
Discharged 3.8 mg/L against a permitted limit of 2.34 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
62% over limit
Discharged 3.8 mg/L against a permitted limit of 2.34 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
137% over limit
Discharged 0.45 kg/d against a permitted limit of 0.19 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
483% over limit
Discharged 4.2 mg/L against a permitted limit of 0.72 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
92% over limit
Discharged 0.48 kg/d against a permitted limit of 0.25 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
357% over limit
Discharged 4.3 mg/L against a permitted limit of 0.94 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
41% over limit
Discharged 5 mg/L against a permitted limit of 3.54 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
28% over limit
Discharged 0.244 kg/d against a permitted limit of 0.19 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
86% over limit
Discharged 1.75 mg/L against a permitted limit of 0.94 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 2.8 mg/L against a permitted limit of 2.34 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
13% over limit
Discharged 4 mg/L against a permitted limit of 3.54 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
20% over limit
Discharged 0.299 kg/d against a permitted limit of 0.25 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
99% over limit
Discharged 1.43 mg/L against a permitted limit of 0.72 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, carbonaceous [5 day, 20 C]
70% over limit
Discharged 1.6 kg/d against a permitted limit of 0.94 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
69% over limit
Discharged 6 mg/L against a permitted limit of 3.54 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
648% over limit
Discharged 1.87 kg/d against a permitted limit of 0.25 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
962% over limit
Discharged 9.98 mg/L against a permitted limit of 0.94 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
395% over limit
Discharged 0.941 kg/d against a permitted limit of 0.19 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
600% over limit
Discharged 5.04 mg/L against a permitted limit of 0.72 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
61% over limit
Discharged 0.548 mg/L against a permitted limit of 0.34 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
12% over limit
Discharged 0.625 mg/L against a permitted limit of 0.56 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
21% over limit
Discharged 0.109 kg/d against a permitted limit of 0.09 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 3.5 mg/L against a permitted limit of 2.34 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
98% over limit
Discharged 7 mg/L against a permitted limit of 3.54 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, carbonaceous [5 day, 20 C]
41% over limit
Discharged 5 mg/L against a permitted limit of 3.54 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, carbonaceous [5 day, 20 C]
13% over limit
Discharged 4 mg/L against a permitted limit of 3.54 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 2.8 mg/L against a permitted limit of 2.34 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
69% over limit
Discharged 1.22 mg/L against a permitted limit of 0.72 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
159% over limit
Discharged 2.43 mg/L against a permitted limit of 0.94 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
November 30, 2024
Oil and grease, hexane extr method
55% over limit
Discharged 4.4 mg/L against a permitted limit of 2.83 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)