- Thursday June 4th, 2020 :: 10:50 a.m. EDT
Advisory
Exelon Energy to test TMI sirens today.
Exelon Energy to test TMI sirens today. 
Exelon Energy will test all 96 sirens located in the 10-mile emergency planning zone today at 12:15 p.m. The test is scheduled to last for three minutes.
Address/Location
South Londonderry Township Police Department, Pennsylvania
27 W Market St
Palmyra, PA 17078
Contact
Emergency: 9-1-1
Non-emergencies: 717-838-1376