NPDES ID: IL0075728
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: 3 effluent violations.
Violations
April 30, 2026
Nitrogen, ammonia total [as N]
3% over limit
Discharged 12.5 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
525% over limit
Discharged 12.5 mg/L against a permitted limit of 2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.26 SU against a permitted limit of 9 SU (MO MAX)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
124% over limit
Discharged 8.94 mg/L against a permitted limit of 4 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6% over limit
Discharged 8.94 mg/L against a permitted limit of 8.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (QRTR MAX)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (QRTR MAX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)