NPDES ID: OH0131130
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 9 effluent violations.
Violations
June 30, 2026
Phosphorus, total [as P]
58% over limit
Discharged 1.58 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
84% over limit
Discharged 3.5 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Phosphorus, total [as P]
65% over limit
Discharged 1.65 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
16% over limit
Discharged 2.2 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Phosphorus, total [as P]
160% over limit
Discharged 0.624 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
22% over limit
Discharged 0.67 kg/d against a permitted limit of 0.55 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
20% over limit
Discharged 13 kg/d against a permitted limit of 10.83 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
11% over limit
Discharged 1.11 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
80% over limit
Discharged 13 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
E. coli, MTEC-MF
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO GEOMN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.0068 kg/d against a permitted limit of 0.46 kg/d (MO AVG)
DMR, Limited - Overdue
E. coli, MTEC-MF
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.0068 kg/d against a permitted limit of 3.06 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 10.83 kg/d (DAILY MX)
DMR, Limited - Overdue
pH, maximum
0% over limit
Discharged 9.96 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
pH, maximum
0% over limit
Discharged 9.96 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 0.0076 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 1.77 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 1 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.9 mg/L against a permitted limit of 12.7 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 1 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 2.4 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.46 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.9 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 1.77 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0.0076 kg/d against a permitted limit of 10.83 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 2.4 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.0035 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Overdue
pH, minimum
0% over limit
Discharged 9.85 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 1.39 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
September 30, 2025
Solids, total suspended
16% over limit
Discharged 8.4 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 1.67 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
94% over limit
Discharged 0.465 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Phosphorus, total [as P]
113% over limit
Discharged 2.13 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
421% over limit
Discharged 9.9 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
74% over limit
Discharged 3.3 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
116% over limit
Discharged 2.16 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
18% over limit
Discharged 0.283 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
22% over limit
Discharged 8.8 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
117% over limit
Discharged 1 kg/d against a permitted limit of 0.46 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
40% over limit
Discharged 1.4 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 2.8 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
113% over limit
Discharged 0.51 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
53% over limit
Discharged 2.9 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
42% over limit
Discharged 1.42 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
139% over limit
Discharged 1.1 kg/d against a permitted limit of 0.46 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
118% over limit
Discharged 0.523 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, 5-day, 20 deg. C
25% over limit
Discharged 9 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
101% over limit
Discharged 2.01 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
20% over limit
Discharged 13 kg/d against a permitted limit of 10.83 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
80% over limit
Discharged 13 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
180% over limit
Discharged 0.671 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
39% over limit
Discharged 3.2 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Phosphorus, total [as P]
61% over limit
Discharged 0.387 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
14% over limit
Discharged 1.14 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
18% over limit
Discharged 0.65 kg/d against a permitted limit of 0.55 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, ammonia total [as N]
113% over limit
Discharged 4.9 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
82% over limit
Discharged 1 kg/d against a permitted limit of 0.55 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
38% over limit
Discharged 1.38 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
19% over limit
Discharged 0.286 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Phosphorus, total [as P]
213% over limit
Discharged 3.13 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
2% over limit
Discharged 46 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
517% over limit
Discharged 2.84 kg/d against a permitted limit of 0.46 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 46 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
489% over limit
Discharged 11.2 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
66% over limit
Discharged 12 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 12 kg/d against a permitted limit of 10.83 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
231% over limit
Discharged 0.795 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
758% over limit
Discharged 16.3 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO GEOMN)
DMR, Monitor Only - Overdue
Solids, total suspended
30% over limit
Discharged 9.4 kg/d against a permitted limit of 7.22 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
100% over limit
Discharged 60 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
457% over limit
Discharged 2.56 kg/d against a permitted limit of 0.46 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
255% over limit
Discharged 3.55 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 60 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
132% over limit
Discharged 0.557 kg/d against a permitted limit of 0.24 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
28% over limit
Discharged 16.3 mg/L against a permitted limit of 12.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
106% over limit
Discharged 26.2 mg/L against a permitted limit of 12.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
145% over limit
Discharged 2.45 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1279% over limit
Discharged 26.2 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
348% over limit
Discharged 2.06 kg/d against a permitted limit of 0.46 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (12 minutes ago)