NPDES ID: IL0080129
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 2 effluent violations, 1 compliance schedule violation, 7 permit schedule violations, 102 reporting violations.
Violations
June 30, 2026
Sulfate [as S]
8% over limit
Discharged 1740 mg/L against a permitted limit of 1606 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Cadmium, total [as Cd]
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (QRTR AVG)
DMR, Monitor Only - Overdue
Fluoride, total [as F]
0% over limit
Discharged 0.92 mg/L against a permitted limit of 0 mg/L (QRTR AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 3 mg/L against a permitted limit of 0 mg/L (QRTR MAX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (QRTR MAX)
DMR, Monitor Only - Overdue
Boron, total [as B]
0% over limit
Discharged 14.2 mg/L against a permitted limit of 0 mg/L (QRTR MAX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)