DEP Invites Comments On Water Encroachment Permit For Mid-Atlantic Interstate Transmission, LLC Project To Rebuild Power Lines To Three Mile Island Nuclear Data Center Power Plant In Dauphin County

The Department of Environmental Protection published notice in the April 18 PA Bulletin inviting comments on a Chapter 105 encroachment permit for a Mid-Atlantic Interstate Transmission, LLC project to rebuild 500 kV transmission lines crossing the Susquehanna River to connect to the substation at the Three Mile Island Nuclear Data Center Power Plant in Londonderry Township, Dauphin County.  (PA Bulletin, page 2160)

The project will place fill in 0.02 acres of wetland, but no mitigation will be required due to the de minimus area of the fill.

DEP will accept comments on this application until May 18-- 30 days from this notice.

No hearing has been scheduled, but one can be requested.

Comments, requests for a hearing or to review the application in-person, should be sent to DEP Southcentral Regional Office, Waterways & Wetlands Program, 909 Elmerton Avenue, Harrisburg, PA 17110, call Christopher Kemple, 717-705-4780 or 717-705-4802 or send email: RA-EPWW-SCRO@pa.gov.   

Read the entire PA Bulletin notice for more information.  (PA Bulletin, page 2131)

For more information on environmental programs in Pennsylvania, visit DEP’s website.  Submit Environmental Complaints; Click Here to sign up for DEP’s newsletter; sign up for DEP’s eNotice; Like DEP on Facebook, Follow DEP on Twitter and visit DEP’s YouTube Channel.

Related Article This Week:

-- DEP Invites Comments On Renewal Of Wastewater Permit For Restart Of Constellation Energy’s Three Mile Island Nuclear Data Center Power Plant In Dauphin County  [PaEN]

[Posted: April 17, 2026]  PA Environment Digest