Emergency Preparedness

Disaster Alerts

Emergencies can happen when least expected and often when you’re away from home. Receive official communications during a crisis by signing up for text or email alerts through the providers below and follow the conversation on social media.


AlertOC is a mass notification system that will inform Orange County residents and businesses of emergencies. By registering with AlertOC, urgent voice messages will be sent to your home, cell or business phone. Text messages will also be sent to cell phones, e-mail accounts and TTY/TDD equipment.


The Water Emergency Response Organization of Orange County, administered by the Municipal Water District of Orange County, supports and promotes countywide emergency preparedness, planning, and response efforts among Orange County water and sewer utilities. Follow them on Facebook and Twitter.


The California Water/Wastewater Agency Response promotes statewide emergency preparedness, disaster response, and mutual assistance processes for public and private water and sewer utilities. Follow them on Facebook.

View our recommendations for emergency drinking water supplies.