Clarion County Composting Directory Other composting opportunities may be available in these adjacent counties. Armstrong County     Butler County     Forest County     Jefferson County Venango County The information in our compost facility directory is based on information provided by composting and recycling professionals throughout Pennsylvania. If you discover inaccuracies or omissions please contact us by email or by phone (800-767-PROP). PROP does not endorse any of these facilities or businesses. Municipalities: Clarion County Composting Clarion County Park Contact: Mike Johnson Phone: (814)-226-9230 Product: Compost: (500 yards3 per year) Feedstocks: leaves, grass, & yardwaste from municipal collection the general public. Compost Analysis: no Processing Time: 12-18 months Availability: Used by the parks department and at the Clarion County Court House Distribution Locations: Clarion County Park