PEMBERVILLE WWTP
NPDES ID: OH0026972
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: 3 effluent violations.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
10% over limit
Discharged 1.1 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
167% over limit
Discharged 4 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
86% over limit
Discharged 4.1 kg/d against a permitted limit of 2.2 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, carbonaceous [5 day, 20 C]
120% over limit
Discharged 33 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
538% over limit
Discharged 28.7 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
153% over limit
Discharged 7.59 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
87% over limit
Discharged 12.7 kg/d against a permitted limit of 6.8 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
7% over limit
Discharged 1.6 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
May 31, 2025
Phosphorus, total [as P]
51% over limit
Discharged 2.3 kg/d against a permitted limit of 1.52 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
71% over limit
Discharged 3.77 kg/d against a permitted limit of 2.2 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
32% over limit
Discharged 3 kg/d against a permitted limit of 2.28 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
17% over limit
Discharged 1.76 kg/d against a permitted limit of 1.5 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 1.47 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
157% over limit
Discharged 3.85 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (23 minutes ago)