NPDES ID: IL0073636
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: 2 effluent violations.
Violations
May 31, 2026
Solids, total suspended
7% over limit
Discharged 74.7 mg/L against a permitted limit of 70 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Manganese, total [as Mn]
54% over limit
Discharged 1.54 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Manganese, total [as Mn]
51% over limit
Discharged 1.51 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Manganese, total [as Mn]
32% over limit
Discharged 1.32 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Sulfate, total [as SO4]
306% over limit
Discharged 2930 mg/L against a permitted limit of 721 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Manganese, total [as Mn]
117% over limit
Discharged 2.17 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)