The fire began around 7:30 a.m. at J.P. Mascaro and Sons Solid Waste and Recycling Services at Wile and Lower roads in Souderton, Pa.
Chopper 6 was over the scene at noon to find smoke still pouring from a warehouse on the property and multiple fire crews on the scene.
Firefighters could also be seen hosing down a pile of debris near that warehouse.
The fire was finally brought under control around 2:30 p.m.
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No injuries have been reported.
It's not yet clear what sparked the fire.