NPDES ID: IL0078565
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: 6 effluent violations.
Violations
June 30, 2026
Sulfate, total [as SO4]
115% over limit
Discharged 4298 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Sulfate, total [as SO4]
115% over limit
Discharged 4297 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Sulfate, total [as SO4]
25% over limit
Discharged 2500 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Sulfate, total [as SO4]
50% over limit
Discharged 3000 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Sulfate, total [as SO4]
63% over limit
Discharged 3250 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Sulfate, total [as SO4]
55% over limit
Discharged 3100 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Sulfate, total [as SO4]
22% over limit
Discharged 2433 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Sulfate, total [as SO4]
23% over limit
Discharged 2450 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (5 hours ago)