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, 6 single-event 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
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)