PA Department of Environmental ProtectionA Water Pollution Control Facility is a DEP primary facility type related to the Water Pollution Control Program. The sub-facility type related to Water Pollution Control included is Compost/Processing -- Indicates that the facility treats sewage sludge by composting to produce a material that can be beneficially used, biosolids.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/d52d3ae6fd2c4ce2b547693a485ce724_280engPennsylvania Department of Environmental ProtectionPublicWater Pollution Control Facilities - Compost Processing Locations [Pennsylvania]Web servicesPennsylvaniaLast Modified: 2026-01-06