OAK GROVE, TOWN OF- WWTP
NPDES ID: LA0043648
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.
Violations
February 28, 2026
BOD, carbonaceous [5 day, 20 C]
76% over limit
Discharged 26.4 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
46% over limit
Discharged 14.63 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
29% over limit
Discharged 12.9 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
67% over limit
Discharged 25 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Coliform, fecal general
3% over limit
Discharged 410 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
May 31, 2025
Coliform, fecal general
50% over limit
Discharged 600 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
March 31, 2025
Coliform, fecal general
4125% over limit
Discharged 16900 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
November 30, 2024
Coliform, fecal general
4325% over limit
Discharged 17700 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
July 31, 2024
BOD, carbonaceous [5 day, 20 C]
15% over limit
Discharged 17.3 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)