VECTREN CORP - SIGECO AB BROWN GENERATING STATION
NPDES ID: IN0052191
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: 5 effluent violations.
Violations
June 30, 2026
TU Static 48Hr Acute Daphnia magna
63% over limit
Discharged 1.63 toxic against a permitted limit of 1 toxic (DAILY MX)
DMR, Limited - Numeric Violation
Silver total recoverable
150% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0036 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Silver total recoverable
43% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0063 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Silver total recoverable
43% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0063 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Silver total recoverable
39% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0036 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Lithium, total [as Li]
0% over limit
Discharged 0.0524 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
October 31, 2024
Chloride [as Cl]
1% over limit
Discharged 1210 mg/L against a permitted limit of 1200 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 4.75 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
August 31, 2024
Chloride [as Cl]
29% over limit
Discharged 748 mg/L against a permitted limit of 580 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)