VERTEX CHEMICAL CORPORATION
NPDES ID: IL0039519
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: 2 effluent violations.
Violations
May 31, 2026
Cyanide, weak acid, dissociable
54% over limit
Discharged 0.008 mg/L against a permitted limit of 0.0052 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Cyanide, weak acid, dissociable
54% over limit
Discharged 0.008 mg/L against a permitted limit of 0.0052 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Cyanide, weak acid, dissociable
54% over limit
Discharged 0.008 mg/L against a permitted limit of 0.0052 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Cyanide, weak acid, dissociable
15% over limit
Discharged 0.006 mg/L against a permitted limit of 0.0052 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Cyanide, weak acid, dissociable
15% over limit
Discharged 0.006 mg/L against a permitted limit of 0.0052 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)