NAPOLEONVILLE STO
NPDES ID: LA0043966
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
June 30, 2026
Chlorine, total residual
4748% over limit
Discharged 1.6 mg/L against a permitted limit of 0.033 mg/L (INST MAX)
DMR, Limited - Numeric Violation
May 31, 2026
Chlorine, total residual
7173% over limit
Discharged 2.4 mg/L against a permitted limit of 0.033 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, carbonaceous [5 day, 20 C]
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)