HI-SEAS OF DULAC, INC. - SHRIMP DOCK

NPDES ID: LA0091413

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: 6 effluent violations, 2 compliance schedule violations.

Violations

June 30, 2026

Coliform, fecal general

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 14 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 135 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Carbon, tot organic [TOC]

256% over limit

Discharged 178 mg/L against a permitted limit of 50 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 35 MPN/100mL (MOAV GEO)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 43 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2026

Carbon, tot organic [TOC]

636% over limit

Discharged 368 mg/L against a permitted limit of 50 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (4 days ago)