NPDES ID: OH0112135
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 2 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
1% over limit
Discharged 1.52 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
48% over limit
Discharged 5.9 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
41% over limit
Discharged 5.62 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
13% over limit
Discharged 6.78 mg/L against a permitted limit of 6 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
70% over limit
Discharged 6.78 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
83% over limit
Discharged 7.32 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
22% over limit
Discharged 7.32 mg/L against a permitted limit of 6 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
14% over limit
Discharged 20.5 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
16% over limit
Discharged 1.98 kg/d against a permitted limit of 1.7 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
211% over limit
Discharged 4.35 kg/d against a permitted limit of 1.4 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
80% over limit
Discharged 1.98 kg/d against a permitted limit of 1.1 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
107% over limit
Discharged 4.35 kg/d against a permitted limit of 2.1 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
152% over limit
Discharged 1.16 kg/d against a permitted limit of 0.46 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
71% over limit
Discharged 20.5 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
71% over limit
Discharged 1.16 kg/d against a permitted limit of 0.68 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
37% over limit
Discharged 5.49 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
1% over limit
Discharged 4.03 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
6% over limit
Discharged 2.38 mg/L against a permitted limit of 2.25 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
59% over limit
Discharged 2.38 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6% over limit
Discharged 0.18 kg/d against a permitted limit of 0.17 kg/d (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
67% over limit
Discharged 3.76 mg/L against a permitted limit of 2.25 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
20% over limit
Discharged 0.313 kg/d against a permitted limit of 0.26 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
151% over limit
Discharged 3.76 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
84% over limit
Discharged 0.313 kg/d against a permitted limit of 0.17 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, ammonia total [as N]
209% over limit
Discharged 4.64 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
15% over limit
Discharged 0.299 kg/d against a permitted limit of 0.26 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
76% over limit
Discharged 0.299 kg/d against a permitted limit of 0.17 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
106% over limit
Discharged 4.64 mg/L against a permitted limit of 2.25 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)