The Alle-Kiski Valley Historical Society archives contain old newspaper clippings that mention the cave near the top of the hill across the Allegheny River from Tarentum’s Corbet Street.

The leak came from two 7,000-gallon tanks and a storage pit, somewhere inside the mill, though it is not known how the leak occurred or how much oil made it out into the river. DEP said in an ...

Water rescue crews and first responders were on the scene Monday following an oil spill at a plant in Lower Burrell, ...

Hydraulic fluid spilled from Braeburn Alloy Steel Mill into the Allegheny River; containment efforts successful.