TOYOTA OF SLIDELL

NPDES ID: LAG470060

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: 4 effluent violations.

Violations

June 30, 2026

Oxygen demand, chem. [high level] [COD]

52% over limit

Discharged 190 mg/L against a permitted limit of 125 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

370% over limit

Discharged 141 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

213% over limit

Discharged 141 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Oil & Grease

46% over limit

Discharged 21.9 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2026

Oil & Grease

2080% over limit

Discharged 327 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

24% over limit

Discharged 56 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Enterococci

5159% over limit

Discharged 7100 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

20186% over limit

Discharged 7100 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

350% over limit

Discharged 900 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

125% over limit

Discharged 900 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total suspended

100% over limit

Discharged 60 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

37678% over limit

Discharged 51000 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

145614% over limit

Discharged 51000 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 6000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

33% over limit

Discharged 60 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 6000 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (5 hours ago)