A Monday afternoon fire led Aztalan Bio to shut down its Jefferson facility located at W5289 Joe Turley Way. The plant is a biorefinery that uses natural processes to refine locally produced grain. The fire took place at a dryer located within the building, according to a statement from Jeff Oestmann, chief executive officer of

Fire departments responded to a fire at an ethanol plant in Jefferson County. Officials have not released details about any injuries.

Aztalan Bio confirmed Monday it has shut down its facility following a fire at its facility in Jefferson County.

JEFFERSON, Wis. (WKOW) -- The Aztalan Bio plant in Jefferson shut down Monday because of a fire. Company CEO Jeff Oestmann says the fire happened in one of the facility's dryers.

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