File Photo – Wauconda Fire District | Photo: Woo-Sung Shim / Lake and McHenry County Scanner

Fire officials say approximately $1 million in damage was caused by a fire at a metal refinery business in a multi-unit commercial building in Wauconda.

The Wauconda Fire District responded around 8:23 p.m. Thursday to 1000 North Rand Road in Wauconda for an automatic fire alarm.

Wauconda Fire District Division Chief Mike DaValle said firefighters arrived to find an active fire in the rear of the building.

The incident was upgraded to a working structure fire bringing additional crews to the scene.

Firefighters made access to the business unit where the fire originated, DaValle said.

Crews identified the location of the fire and quickly extinguished the flames.

The business, Precious Metal Refining Services, was not open at the time and there were no occupants found inside.

DaValle said crews also checked the surrounding attached business units for any other occupants or fire extension.

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Damage loss is estimated at approximately $1 million.

No injuries were reported and the cause of the fire is under investigation, DaValle said.

The Wauconda Fire District was assisted by the Lake Zurich, Countryside, Grayslake, Fox Lake, Nunda, Barrington-Countryside and McHenry fire departments.

The Wauconda Police Department and Wauconda Public Works Department also assisted.