NPDES ID: COG591193
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: 28 effluent violations, 1 permit schedule violation, 74 reporting violations.
Violations
June 30, 2026
Zinc, potentially dissolved
152% over limit
Discharged 0.068 mg/L against a permitted limit of 0.027 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, potentially dissolved
240% over limit
Discharged 0.068 mg/L against a permitted limit of 0.02 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
334% over limit
Discharged 164.8 mg/L against a permitted limit of 38 mg/L (ROLL AVG)
DMR, Limited - Numeric Violation
Copper, potentially dissolved
8746% over limit
Discharged 0.023 mg/L against a permitted limit of 0.00026 mg/L (ROLL AVG)
DMR, Limited - Numeric Violation
Radium 226 + radium 228, total
193% over limit
Discharged 2.2 pCi/L against a permitted limit of 0.75 pCi/L (ROLL AVG)
DMR, Limited - Numeric Violation
Copper, potentially dissolved
695% over limit
Discharged 0.0167 mg/L against a permitted limit of 0.0021 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)