General Information

At its meeting on June 28, 2016, the Board of Supervisors voted to breach the Hershey’s Mill Dam. The agenda for the June 28th meeting can be found here.


04/18/2017 Pennsylvania Historic Resource Survey Form
03/17/2017 Construction Cost Estimate for Dam Rehabilitation
09/08/2016 Engineering Contract for Hersheys Mill Dam
06/14/2016 Hersheys Mill Dam Visual Inspection
05/27/2016 Hershey’s Mill Cost Information May 2016
05/27/2016 1,000 foot letter for special meeting on 6/28/2016 to discuss the various options and make a decision for the Hershey’s Mill and Milltown Dams
08/24/2015 Hershey Mill Dam Inspection Report Cover Letter
08/24/2015 Hershey Mill Dam 2015 Inspection Report
07/28/2014 Letter to Township Residents
– Decision to be made at 11/18/2014 BOS meeting
07/15/2014 Hershey Mill Dam Permit – Issued by the DEP
06/11/2014 Approved Plan for the Hershey Mill Dam, plan dated 4-10-12, last revised 6-11-14 – Prepared by Edward B. Walsh & Associates
02/03/2012 Hershey Mill Dam Spillway Design and Permitting – Prepared by Edward B. Walsh & Associates
03/02/2010 Letter to Advanced Geo Systems Approving Hydrologic Model – Prepared by the DEP
02/04/2010 Detailed Hydrologic Model – Prepared by Advanced Geo Services
10/23/2009 Dam Break Analysis Review – Letter From Gannett Fleming, Inc.
09/15/2009 Draining and Storage Volume Review Letter  – Prepared by Yerkes Associates, Inc.
09/15/2009 Inundation Study – Prepared by Yerkes Associates, Inc.
08/21/2009 Draw-Down Pond
08/14/2009 Cost Estimate of Concrete Dam Installation – Prepared by Yerkes Associates, Inc.
08/07/2009 Summary of August 6, 2009 Meeting Letter – Prepared by the DEP
07/23/2009 Dam Alternatives 1,000 Foot Letter – Prepared by East Goshen Township
07/20/2009 Rehabilitation of the Dam Letter to the DEP – Prepared by East Goshen Township
07/15/2009 Erosion Control Lining Review Letter – Prepared by Yerkes Associates, Inc.
07/09/2009 Modified Design to Spillway Review Letter – Prepared by Yerkes Associates, Inc.
06/25/2009 Dam Alternatives Letter to the DEP – Prepared by East Goshen Township
05/08/2009 Notification That Dam Does Not Meet Requirements 1,000 Foot Letter – Prepared by East Goshen Township
04/15/2009 Promulgation and Concurrence
03/30/2009 Warning Message
03/30/2009 Location Map – Prepared by East Goshen Township
03/30/2009 Traffic Control Points – Prepared by Yerkes
01/06/2009 Inundation Map – Prepared by Yerkes
11/24/2008 Summary of Sediment Report – Prepared by URS
09/30/2008 Notification That Dam Does Not Meet Requirements 1,000 Foot Letter – Prepared by East Goshen Township
09/23/2008 Spillway Capacity Alternative Analysis Review Presentation – Prepared by Rettew
06/12/2008 Inspection Report – Prepared by the DEP
04/08/2008 Cost Estimates – Prepared by Yerkes Associates, Inc.
03/28/2008 Amorflex Spillway Plan – Prepared by Yerkes Associates, Inc.
03/28/2008 Concrete Spillway Plan – Prepared by Yerkes Associates, Inc.
03/28/2008 Existing Conditions Plan – Prepared by Yerkes Associates, Inc.
11/14/2007 Application Review Letter – Prepared by the DEP
08/30/2007 Inundation Map – Prepared by Yerkes Associates, Inc.
05/14/2007 Summary of Dam Inspection – Prepared by the DEP
09/08/2006 Breach Analysis – Prepared by the DEP