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Fremont, NE · Final report 2025-07-29
Active investigationNE
On July 29, 2025 at approximately 11:56 am local time, multiple explosions occurred at the Horizon Biofuels facility in Fremont, Nebraska, resulting in three fatalities.
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.