TROY WASTEWATER TREATMENT PLANT
NPDES ID: NHG580001
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 effluent violation, 1 compliance schedule violation.
Violations
April 30, 2026
Copper, total recoverable
10% over limit
Discharged 0.0034 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total recoverable
150% over limit
Discharged 0.00775 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
138% over limit
Discharged 0.01 mg/L against a permitted limit of 0.0042 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total recoverable
138% over limit
Discharged 0.01 mg/L against a permitted limit of 0.0042 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
190% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total recoverable
179% over limit
Discharged 0.00866 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)