CENTERPOINT ENERGY - SIGECO F. B. CULLEY STATION
NPDES ID: IN0002259
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: 4 effluent violations.
Violations
June 30, 2026
Silver total recoverable
36% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0066 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Silver total recoverable
137% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0038 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Silver total recoverable
36% over limit
Discharged 0.009 mg/L against a permitted limit of 0.0066 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Silver total recoverable
32% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0038 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Barium, total recoverable
0% over limit
Discharged 0.24 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (3 hours ago)