LACC, LLC US - ETHYLENE & DERIVATIVES PLANT

NPDES ID: LA0127268

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 2 single-event violations.

Violations

December 31, 2025

Chloroform

45% over limit

Discharged 0.07264 kg/d against a permitted limit of 0.04994 kg/d (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2024

Chloroform

36% over limit

Discharged 0.0681 kg/d against a permitted limit of 0.04994 kg/d (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

BOD, 5-day, 20 deg. C

71% over limit

Discharged 450.82199621 kg/d against a permitted limit of 264.22799778 kg/d (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)