REMINDER! TMI Siren test this Thursday at 12:15 p.m.
December 4, 2018
Exelon will be testing all 96 sirens for Three Mile Island located within the 10 mile emergency planning zone on Thursday, December 6th at 12:15 p.m. During the test all 96 sirens will sound for a full 3 minutes. Please remember the siren system is an OUTDOOR warning system and not designed for coverage inside of buildings.