CARROLLTON WATER PLANT
NPDES ID: LA0000086
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, 4 compliance schedule violations, 3 single-event violations.
Violations
June 30, 2026
Chlorine, total residual
1550% over limit
Discharged 3.3 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.15 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
May 31, 2026
Chlorine, total residual
1300% over limit
Discharged 2.8 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.01 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
1300% over limit
Discharged 2.8 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
pH
0% over limit
Discharged 9.18 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)