Westtown-East Goshen Regional Police said they were called about a "male subject in the park exposing his genitals" around 11:45 a.m. on Tuesday, Oct. 31.
Responding officers identified the man as 68-year-old Kim David Maguire of Newtown Square, the department said.
He is charged with indecent exposure, open lewdness, and disorderly conduct, and a warrant for his arrest has been issued, police added.
Any witnesses are asked to call Det. Jason Diamond or Lt. David Leahy at 610-692-9600 or submit a tip online through Crimewatch.
Click here to follow Daily Voice Reading and receive free news updates.