NPDES ID: IL0001791
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 6 effluent violations.
Violations
May 31, 2026
Solids, total suspended
38% over limit
Discharged 33 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
18% over limit
Discharged 14.1 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.2 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total suspended
71% over limit
Discharged 41 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
73% over limit
Discharged 20.8 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
1108% over limit
Discharged 290 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
628% over limit
Discharged 87.4 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.03 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
Temperature, water deg. fahrenheit
0% over limit
Discharged 63.14 deg F against a permitted limit of 63 deg F (MO MAX)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
919% over limit
Discharged 122.3 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1650% over limit
Discharged 420 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
13% over limit
Discharged 27 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2025
pH
0% over limit
Discharged 9.13 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 15.2 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 27 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 9.34 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 10.3 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
June 30, 2025
pH
0% over limit
Discharged 10 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
May 31, 2025
pH
0% over limit
Discharged 9.57 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
April 30, 2025
pH
0% over limit
Discharged 9.5 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
March 31, 2025
pH
0% over limit
Discharged 9.63 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
February 28, 2025
pH
0% over limit
Discharged 9.84 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
January 31, 2025
pH
0% over limit
Discharged 9.92 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 9.35 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
41% over limit
Discharged 16.9 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
125% over limit
Discharged 54 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.39 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
September 30, 2024
pH
0% over limit
Discharged 9.65 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
203% over limit
Discharged 36.3 mg/L against a permitted limit of 12 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
442% over limit
Discharged 130 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
pH
0% over limit
Discharged 9.37 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)