Pollock Run

Pollock Run is a long 2nd order tributary to the Youghiogheny River in Allegheny County, Pennsylvania. This is the only stream of this name in the United States.

Course

Pollock Run rises at Rankins Corners, Pennsylvania in Westmoreland County, and then flows southeast and then turns north to join the Youghiogheny River just into Allegheny County at Smithdale.

Watershed

Pollock Run drains of area, receives about 39.7 in/year of precipitation, has a wetness index of 335.80, and is about 40% forested.

Natural history

Pollock Run is the location of Pollock Run Slopes BDA, which contains a remnant Mesic Central Forest community and a rare plant species.