CANONSBURG PLT
NPDES ID: PA0001937
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: 30 effluent violations, 402 reporting violations.
Violations
June 30, 2026
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
Benzo[a]anthracene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0025 mg/L (DAILY MX)
DMR, Limited - Overdue
Tetrachloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.005 mg/L (MO AVG)
DMR, Limited - Overdue
3,4-Benzofluoranthene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0025 mg/L (MO AVG)
DMR, Limited - Overdue
Tetrachloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.00955 mg/L (DAILY MX)
DMR, Limited - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)