NPDES ID: IL0022543
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.
This quarter: 1 effluent violation.
Violations
May 31, 2026
Copper, total [as Cu]
12% over limit
Discharged 0.056 mg/L against a permitted limit of 0.0502 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total [as Cu]
31% over limit
Discharged 0.066 mg/L against a permitted limit of 0.0502 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
61% over limit
Discharged 0.081 mg/L against a permitted limit of 0.0502 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total [as Cu]
4% over limit
Discharged 0.052 mg/L against a permitted limit of 0.0502 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Copper, total [as Cu]
75% over limit
Discharged 0.0876 mg/L against a permitted limit of 0.0502 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
6% over limit
Discharged 1.98397998 kg/d against a permitted limit of 1.86593998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)