IDOT-DISTRICT 8 BOWMAN PUMP STATION

NPDES ID: IL0070955

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: 5 effluent violations.

Violations

May 31, 2026

Solids, total suspended

20% over limit

Discharged 48 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Iron, total [as Fe]

197% over limit

Discharged 59.4 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2026

Solids, total suspended

95% over limit

Discharged 78 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Iron, total [as Fe]

715% over limit

Discharged 163 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

80% over limit

Discharged 72 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Iron, total [as Fe]

147% over limit

Discharged 49.3 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Iron, total [as Fe]

935% over limit

Discharged 207 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

555% over limit

Discharged 262 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2026

Chlorine, total residual

1700% over limit

Discharged 0.9 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Iron, total [as Fe]

50% over limit

Discharged 30 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

3650% over limit

Discharged 1500 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

40% over limit

Discharged 56 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Iron, total [as Fe]

153% over limit

Discharged 50.6 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2025

Iron, total [as Fe]

64% over limit

Discharged 32.7 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

July 31, 2025

Iron, total [as Fe]

1760% over limit

Discharged 372 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

178% over limit

Discharged 111 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2025

Solids, total suspended

415% over limit

Discharged 206 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Iron, total [as Fe]

341% over limit

Discharged 88.1 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2025

Solids, total suspended

150% over limit

Discharged 100 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Iron, total [as Fe]

2% over limit

Discharged 20.3 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

Iron, total [as Fe]

195% over limit

Discharged 59 mg/L against a permitted limit of 20 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Iron, dissolved [as Fe]

1% over limit

Discharged 10.1 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)