McPherson Creek is a long 1st order tributary to Chartiers Creek in Washington County, Pennsylvania.
McPherson Creek rises about 0.5 miles south of Cecil, Pennsylvania, and then flows southeasterly to join Chartiers Creek about 1 mile southeast of Hendersonville.
McPherson Creek drains of area, receives about 38.7 in/year of precipitation, has a wetness index of 336.87, and is about 51% forested.