DALTON WWTP
NPDES ID: OH0021687
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: 2 effluent violations.
Violations
April 30, 2026
Solids, total dissolved- 180 deg. C
29% over limit
Discharged 2930 kg/d against a permitted limit of 2270 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total dissolved- 180 deg. C
13% over limit
Discharged 1700 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total dissolved- 180 deg. C
33% over limit
Discharged 1990 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Phosphorus, total [as P]
18% over limit
Discharged 1.18 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved- 180 deg. C
23% over limit
Discharged 1850 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total dissolved- 180 deg. C
15% over limit
Discharged 1730 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total dissolved- 180 deg. C
19% over limit
Discharged 1780 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total dissolved- 180 deg. C
29% over limit
Discharged 1930 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Phosphorus, total [as P]
5% over limit
Discharged 1.6 kg/d against a permitted limit of 1.52 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
20% over limit
Discharged 1.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total dissolved- 180 deg. C
7% over limit
Discharged 1600 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
45% over limit
Discharged 1.6 mg/L against a permitted limit of 1.1 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
63% over limit
Discharged 2.72 kg/d against a permitted limit of 1.67 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total dissolved- 180 deg. C
33% over limit
Discharged 3010 kg/d against a permitted limit of 2270 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total dissolved- 180 deg. C
3% over limit
Discharged 1550 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total dissolved- 180 deg. C
2% over limit
Discharged 1530 mg/L against a permitted limit of 1500 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Phosphorus, total [as P]
1% over limit
Discharged 1.01 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Phosphorus, total [as P]
52% over limit
Discharged 2.28 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
18% over limit
Discharged 2.7 kg/d against a permitted limit of 2.28 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
53% over limit
Discharged 2.33 kg/d against a permitted limit of 1.52 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
81% over limit
Discharged 1.81 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)