NPDES ID: WA0002062
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: 2 effluent violations.
Violations
May 31, 2026
Copper, total recoverable
1053% over limit
Discharged 0.219 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
1227% over limit
Discharged 0.438 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total recoverable
15% over limit
Discharged 0.038 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
101% over limit
Discharged 0.75817999 kg/d against a permitted limit of 0.37682 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
58% over limit
Discharged 1.03057999 kg/d against a permitted limit of 0.65376 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
11% over limit
Discharged 0.021 mg/L against a permitted limit of 0.019 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
31% over limit
Discharged 0.45854 kg/d against a permitted limit of 0.34958 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total recoverable
17% over limit
Discharged 0.76725999 kg/d against a permitted limit of 0.65376 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
24% over limit
Discharged 0.46762 kg/d against a permitted limit of 0.37682 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Copper, total recoverable
101% over limit
Discharged 1.31205999 kg/d against a permitted limit of 0.65376 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Copper, total recoverable
3% over limit
Discharged 0.034 mg/L against a permitted limit of 0.033 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
16% over limit
Discharged 0.23154 kg/d against a permitted limit of 0.19976 kg/d (AVERAGE)
DMR, Limited - Numeric Violation
Copper, total recoverable
60% over limit
Discharged 0.55842 kg/d against a permitted limit of 0.34958 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 29, 2026 (2 days ago)