RESPONSIBLE ENERGY OPERATIONS LLC
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
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
July 31, 2025
Manganese, total [as Mn]
2% over limit
Discharged 1.02 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
15% over limit
Discharged 80.6 mg/L against a permitted limit of 70 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
26% over limit
Discharged 1.26 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Manganese, total [as Mn]
20% over limit
Discharged 1.2 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Manganese, total [as Mn]
90% over limit
Discharged 1.9 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Manganese, total [as Mn]
90% over limit
Discharged 1.9 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Manganese, total [as Mn]
232% over limit
Discharged 3.32 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Manganese, total [as Mn]
150% over limit
Discharged 2.5 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
pH
0% over limit
Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
317% over limit
Discharged 4.17 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.38 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2024
pH
0% over limit
Discharged 6.46 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
374% over limit
Discharged 332 mg/L against a permitted limit of 70 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 107 mg/L against a permitted limit of 70 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)