BOLINGBROOK WRF #2, VILLAGE OF
NPDES ID: IL0032735
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
April 30, 2026
Mercury, total [as Hg]
17% over limit
Discharged 0.000014 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Mercury, total [as Hg]
25% over limit
Discharged 0.000015 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Mercury, total [as Hg]
25% over limit
Discharged 0.000015 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
54% over limit
Discharged 12.3 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Mercury, total [as Hg]
33% over limit
Discharged 0.000016 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Mercury, total [as Hg]
33% over limit
Discharged 0.000016 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Mercury, total [as Hg]
33% over limit
Discharged 0.000016 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Mercury, total [as Hg]
33% over limit
Discharged 0.000016 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Mercury, total [as Hg]
33% over limit
Discharged 0.000016 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Mercury, total [as Hg]
25% over limit
Discharged 0.000015 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Mercury, total [as Hg]
25% over limit
Discharged 0.000015 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Mercury, total [as Hg]
17% over limit
Discharged 0.000014 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Mercury, total [as Hg]
17% over limit
Discharged 0.000014 mg/L against a permitted limit of 0.000012 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
5% over limit
Discharged 47.1 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
3058% over limit
Discharged 1.2 mg/L against a permitted limit of 0.038 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
21% over limit
Discharged 3.64 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Zinc, total [as Zn]
558% over limit
Discharged 1.7 mg/L against a permitted limit of 0.2583 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
308% over limit
Discharged 5211.54767621 kg/d against a permitted limit of 1278.01 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
451% over limit
Discharged 248 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
317% over limit
Discharged 30.25455975 kg/d against a permitted limit of 7.26399994 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
332% over limit
Discharged 108 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
178% over limit
Discharged 1974.89998341 kg/d against a permitted limit of 710.056 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
12% over limit
Discharged 0.1807 mg/L against a permitted limit of 0.162 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
23% over limit
Discharged 55.5 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 32 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)