Sewickley Creek is a fourth-order tributary to the Youghiogheny River in Westmoreland County, Pennsylvania. This is the only stream of this name in the United States.

Variant names According to the Geographic Names Information System, it has also been known historically as Sewickey Creek.

Course Sewickley Creek rises in a pond about north of Pleasant Unity, Pennsylvania, and then flows westerly to join the Youghiogheny River across from Collinsburg.

Watershed Sewickley Creek drains of area, receives about of precipitation, has a wetness index of 370.17, and is about 45% forested. Non-EPA-compliant drainage of oil and gas drilling waste from the nearby Max Environmental landfill has polluted the creek in the 2020s, with elevated radiation levels downstream of the landfill drainage outlet.

See also List of rivers of Pennsylvania

References

External links Sewickley Creek Watershed Association Sewickley Creek Watershed Conservation Plan Sewickley Creek Watershed Assessment