WELD COUNTY, Colo. (CBS4) – Firefighters in Weld County responded to a fire at the Nobel Energy facility on County Road 30 near County Road 49.

Fire at oil and gas site in Weld County. (credit: CBS)

READ MORE: No Restrictions Yet, But Denver Water Customers Should Be Water Wise This Winter To Avoid Them

Flames reached feet into the air. They were seen charring at least two semi trucks and trailers.

(credit: CBS)

(credit: CBS)

Authorities tell CBS4 no one is hurt, and all persons are accounted for. They say diesel fire is burning, and the facility is under construction.

(credit: CBS)

(credit: CBS)

READ MORE: Daniel Ramirez Accused Of Jumping Out Of Taxiing Southwest Plane From Colorado Springs

Investigators believe there’s a fracture in a diesel-carrying line.

Resident living in a one-mile radius will be getting a reverse 911 call because of the smoke.

The Platteville-Gilcrest Volunteer Fire Department was responding.

(credit: CBS)

The fire is south of Milton Reservoir and 10 miles north of Hudson.

MORE NEWS: Some Evacuations Ordered For Miners Candle Fire Near Dumont

Details about how the fire started or if anyone is hurt have not been confirmed by authorities.