News Release

City of Irvine
Public Information Office

1 Civic Center Plaza
Irvine, CA 92606
949-724-6029

09/14/2025

FOR IMMEDIATE RELEASE

Contact:
Public Information Office
949-724-6077
pio@cityofirvine.org

Emergency Notification Systems to Be Tested September 17

The City of Irvine will participate in a regional test of AlertOC, Orange County’s mass notification system, Wednesday, September 17, at approximately 10:30 a.m.

AlertOC delivers time-sensitive emergency alerts to residents and businesses by text, email, and phone. As part of the test, all registered phones and devices will receive a notification. Community members are encouraged to sign up for this important service at AlertOC.gov.

In addition, the City has completed installation of a new mass communication speaker system at the Great Park Sports Complex. This system will also be tested Wednesday, September 17, at approximately 10:30 a.m. During the test, Great Park visitors and nearby residents may hear sirens or audible alert messages.

For information on emergency preparedness, visit cityofirvine.org/prepare