The Township uses a third-party agency (Larson Design Group) to perform all on-lot sewage system testing and on-lot sewage system permit reviews.  Please direct inquiries regarding percolation/probe testing and on-lot sewage system permits (for new and existing systems) to Larson Design Group (see contact information below).  For initial inquiries regarding on-lot sewage system malfunctions, contact Chuck Emerick (Director of Community Development) at 717-533-2057, Opt. 2.

Submit all permit information directly to Larson Design Group.  Applications are available at the Township’s Community Development office, 600 Clearwater Road, Hershey, PA.


Larson Design Group contact information:

Jeremy Bentz, SEO #03065
717-933-5530, extension 591

Address: Bethel Business Center, 9533 Old 22, Bethel, PA 19507


Fee Schedule

(Note: All checks are made payable to Derry Township)