Federal Data Hub › CSB Investigations · JSON

Dow Louisiana Operations Explosions

Plaquemine, LA · Final report 2026-02-26

CompletedLA

On July 14, 2023, at approximately 9:15 p.m., multiple explosions occurred in the Dow Louisiana Operations Glycol II Ethylene Oxide Finishing unit in Plaquemine, Louisiana. This inci

The U.S. Chemical Safety and Hazard Investigation Board (CSB) is an independent federal agency that investigates serious chemical accidents to determine root causes and issue safety recommendations. It has no regulatory or enforcement authority — its power is the public investigation.

CSB investigation page ↗

Source: U.S. Chemical Safety Board. License: CC0 1.0. Related: EPA RMP facilities nearby.