DOYLESTOWN WPCF
NPDES ID: OH0021342
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: 4 effluent violations.
Violations
May 31, 2026
Copper, total recoverable
24% over limit
Discharged 0.0236 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
71% over limit
Discharged 0.0614 kg/d against a permitted limit of 0.036 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
8% over limit
Discharged 0.0614 kg/d against a permitted limit of 0.057 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
April 30, 2026
Copper, total recoverable
26% over limit
Discharged 0.04526 kg/d against a permitted limit of 0.036 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Cadmium, in bottom deposits [dry wgt]
693% over limit
Discharged 674 mg/L against a permitted limit of 85 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
23% over limit
Discharged 2.82 mg/L against a permitted limit of 2.3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
30% over limit
Discharged 370 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
August 31, 2025
Phosphorus, total [as P]
27% over limit
Discharged 1.9 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
13% over limit
Discharged 1.13 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Phosphorus, total [as P]
50% over limit
Discharged 1.5 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
7% over limit
Discharged 1.6 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
June 30, 2025
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
Phosphorus, total [as P]
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
Copper, total recoverable
195% over limit
Discharged 0.1063 kg/d against a permitted limit of 0.036 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
86% over limit
Discharged 0.1063 kg/d against a permitted limit of 0.057 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Copper, total recoverable
108% over limit
Discharged 0.03957 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
32% over limit
Discharged 0.03957 mg/L against a permitted limit of 0.03 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
April 30, 2025
Phosphorus, total [as P]
14% over limit
Discharged 2.16 kg/d against a permitted limit of 1.9 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
21% over limit
Discharged 3.45 kg/d against a permitted limit of 2.84 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
52% over limit
Discharged 1.52 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 2.5 mg/L against a permitted limit of 1.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Copper, total recoverable
5% over limit
Discharged 0.0377 kg/d against a permitted limit of 0.036 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
44% over limit
Discharged 0.0273 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Oxygen, dissolved [DO]
80% over limit
Discharged 1 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
4% over limit
Discharged 0.0313 mg/L against a permitted limit of 0.03 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Copper, total recoverable
10% over limit
Discharged 0.0626 kg/d against a permitted limit of 0.057 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
17% over limit
Discharged 35 mg/L against a permitted limit of 30 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.4 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 9.5 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
171% over limit
Discharged 11.8 kg/d against a permitted limit of 4.35 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
670% over limit
Discharged 17.7 mg/L against a permitted limit of 2.3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
121% over limit
Discharged 3.32 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Copper, total recoverable
68% over limit
Discharged 0.03186 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
6% over limit
Discharged 0.03186 mg/L against a permitted limit of 0.03 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)