Springdale Township is a township in Allegheny County, Pennsylvania, United States. It contains the two communities of Orrville and Harwick. The population was 1,636 at the 2010 census.
Municipal Building
Harmar Township is a township in Allegheny County, Pennsylvania, United States. It contains the communities of Acmetonia, Harmarville, Harmar Heights, and Chapel Downs. The population was 3,136 at the 2020 census. The township was named after Harmar Denny, a U.S. congressman and son of Ebenezer Denny.
Harmar Township is home to Allegheny Islands State Park and the C.W. Bill Young Lock and Dam in the Allegheny River.