Photo submitted to Kaukauna Community Group

KAUKAUNA — No injuries were reported following a fire Saturday at Kaukauna’s Ahlstrom Thilmany Mill. The cause of the fire remains under investigation.

According to a news release from the Kaukauna Fire Department, emergency crews responded to the mill on May 16, 2026, at 2:13 p.m. for a reported fire.

Firefighters arrived and encountered smoke and flames at the facility.

Crews worked to extinguish the fire, and the incident was upgraded to a third box alarm, bringing additional resources from Outagamie, Brown and Calumet County fire departments.

Crews remained on scene conducting overhaul and extinguishing remaining hot spots.



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By staff / news release

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