How You Would Be Notified of a Nuclear Power Plant Emergency
San Luis Obispo County's Early Warning System Sirens would sound to alert area residents and visitors to tune to a local radio or television station for information. The sirens alert you that an emergency is taking place within the County and possibly at Diablo Canyon Power Plant. There are 131 sirens located in Protective Action Zones 1 through 12, stretching from Cayucos in the north to Nipomo Mesa in the south.
Residents may also be alerted by sirens and loud speakers used by police and fire agencies in the case a siren fails to sound.
If you hear a loud, steady siren for three to five minutes:
Local Radio and Television Stations
The Emergency Alert System (EAS) is used to inform you about the nature of the emergency and what steps you should take. All local radio and television stations are part of the Emergency Alert System and will broadcast and repeat official information about major emergencies.
Listen to any local radio station for further information and instructions. If at sea, Marine Channel 16 will carry emergency information.