Swatara Township Authority 8675 Paxton St Hummelstown, PA 17036 Phone : (717) 566-3361 Business Category Water Pollution Control Equipment & Systems Heavy Construction Swatara Water Pollution Plant 8675 Paxton St Hummelstown, PA 17036 Phone : (717) 566-3361 Business Category Government Offices-City Village & Twp Environmental Conservation & Ecological Services Government Offices State & Local Environmental Services Government Offices & Public Schools Swatara Township--sewer Authority, Emergency Sewer Service Hummelstown, PA 17036 Phone : (717) 566-3361 Business Category Government Offices-City Village & Twp Environmental Conservation & Ecological Services Government Offices State & Local Environmental Services Government Offices & Public Schools