TMI Siren Testing
June 4, 2020

On Thursday, June 4th at 12:15pm. Exelon will test all 96 sirens for Three Mile Island located within the 10 mile emergency planning zone. During the test all 96 sirens will sound for a full 3 minutes. The siren system is an outdoor system and you may not be able to hear them if you are inside. If you have any questions, concerns, or did not hear the siren feel free to contact the Swatara Township Emergency Management Office. Simply call (717) 564-2551 and leave a message with your name and a phone number to contact you at and we will get back to you as soon as possible.