A fire inside a shed caused $800,000 in damage, according to the Stearns County Sheriff's Office.
Deputies received a call about a fire at Tom's Refuse just before 11:00 p.m. on Thursday.
A man staying in a camper near the shed spotted the fire, which was located on Thunder Road in Millwood Township.
The Melrose, Freeport and Sauk Centre fire departments helped fight the fire.
No one was injured.
The State Fire Marshal's Office is investigating the exact cause of the fire.