PRECOAT MEZZANINE LLC, DBA PRECOAT METALS
NPDES ID: MSP091052
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
Violations
March 31, 2026
Copper, total recoverable
8% over limit
Discharged 0.0012258 kg/d against a permitted limit of 0.001135 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
76% over limit
Discharged 0.0019976 kg/d against a permitted limit of 0.001135 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Cyanide, total [as CN]
336% over limit
Discharged 0.0049486 kg/d against a permitted limit of 0.001135 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
990% over limit
Discharged 0.0049486 kg/d against a permitted limit of 0.000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
180% over limit
Discharged 0.003178 kg/d against a permitted limit of 0.001135 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
60% over limit
Discharged 0.001816 kg/d against a permitted limit of 0.001135 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)