NPDES ID: IL0064777
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 6 effluent violations, 1 compliance schedule violation.
Violations
June 30, 2026
Zinc, total [as Zn]
26% over limit
Discharged 0.455 mg/L against a permitted limit of 0.3617 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
105% over limit
Discharged 0.743 mg/L against a permitted limit of 0.3617 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Chromium, hexavalent [as Cr]
56% over limit
Discharged 0.025 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chromium, hexavalent [as Cr]
212% over limit
Discharged 0.05 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
40% over limit
Discharged 0.505 mg/L against a permitted limit of 0.3617 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
68% over limit
Discharged 0.609 mg/L against a permitted limit of 0.3617 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (6 days ago)