Chapter 5. Registering for Official Emergency Alerts
Receiving an emergency alert promptly can give a household valuable time to prepare, evacuate, shelter indoors, protect pets, or avoid a dangerous area. Residents of Pleasanton, Dublin, Livermore, San Ramon, Danville, Sunol, and neighboring Tri-Valley communities should learn which official notification systems serve the places where they live, work, attend school, or regularly travel.
Do not assume that one registration covers the entire Tri-Valley. Pleasanton, Dublin, Livermore, and Sunol are in Alameda County, while San Ramon and Danville are in Contra Costa County. Someone who lives in one county and works in another may need to register with both counties.
Find Your City and County Alert Systems
Begin with the official emergency-preparedness website for your city. Look for sections labeled “Emergency Alerts,” “Notifications,” “Stay Informed,” or “Emergency Preparedness.” Confirm that the website uses an official government domain, such as .gov, before entering personal information.
Next, visit your county’s official emergency-management website. Alameda County uses AC Alert, a mass-notification system through which participating city and county agencies can send emergency information by telephone call, text message, and email. Residents can register multiple contact methods and locations. People who live, work, study, or frequently visit Alameda County are encouraged to enroll. Register through Alameda County’s official emergency-alert information.
Pleasanton residents can also find AC Alert registration and evacuation-zone information on the City of Pleasanton emergency-preparedness page. The city advises users to enter a primary address and additional locations for which they want notifications, such as a workplace or school.
Contra Costa County uses its Community Warning System to notify people of serious threats. Depending on the incident, the county may use telephone notifications, cellular alerts, sirens in designated areas, radio and television broadcasts, NOAA Weather Radio, and official social-media accounts. Residents can locate registration information through the county’s official Emergency Alerts and Resources page.
Because systems, vendors, applications, and enrollment procedures can change, always begin with the current city or county website rather than an old bookmark, flyer, or forwarded registration link.
Register More Than One Communication Method
When the system permits it, enter several ways to reach you:
- Mobile telephone number for text messages
- Mobile or landline number for voice calls
- Email address
- Home address
- Workplace or business address
- Children’s school or childcare location
- Address of a relative for whom you provide assistance
Location information matters because many emergency messages are sent only to people associated with an affected area. Someone may want alerts for both a residence in Dublin and a workplace in Livermore, for example.
Register every adult household member when permitted instead of relying on one person to receive and relay every message. One telephone may be uncharged, silenced, outside the coverage area, left at home, or temporarily disconnected from the network.
After registering, complete any email or text verification requested by the system. Save the alert sender as a contact when the agency recommends doing so, and periodically check that emergency messages are not being filtered as spam.
Understand Wireless Emergency Alerts
Wireless Emergency Alerts, commonly called WEAs, are short emergency messages sent by authorized government agencies to compatible mobile devices within a targeted geographic area. They may concern extreme weather, evacuation instructions, missing children, or another serious public-safety threat.
People generally do not subscribe to WEAs in the same way they enroll in a county notification system. A compatible telephone in the targeted area may receive the message automatically when its alert settings are enabled. However, telephone compatibility, device settings, location, cellular coverage, and the type of alert can affect delivery.
Review the emergency-alert settings on each household telephone. Do not disable alerts merely because a previous notification was inconvenient. Ready.gov explains Wireless Emergency Alerts and other public-warning systems.
WEAs are important, but they do not replace local opt-in registration. A county system may allow agencies to associate alerts with saved addresses and deliver longer information by telephone, text, or email.
Add Weather, Evacuation, and Utility Notifications
No single alert service covers every hazard. Residents should consider additional official sources relevant to their needs.
Weather warnings may be delivered through Wireless Emergency Alerts, the Emergency Alert System on radio and television, NOAA Weather Radio, and official National Weather Service channels. A battery-powered or hand-crank NOAA Weather Radio can provide another way to receive information when electricity or internet access is interrupted.
Residents should also learn which official evacuation-zone platform their local authorities use. Pleasanton and Alameda County fire-preparedness resources currently direct residents to Genasys Protect to identify evacuation zones and view their status during an incident. Alameda County Fire Department emergency-preparedness information
Utility providers may offer separate notifications for power outages, public-safety power shutoffs, gas emergencies, water interruptions, or restoration estimates. Register directly through the official utility website and keep account contact information current.
Follow Verified Agency Accounts Carefully
Official city, county, fire, law-enforcement, public-health, air-quality, weather, transportation, and utility accounts can provide useful updates. Follow these accounts before an emergency, using links found on each agency’s official website.
A checkmark or official-looking name alone should not determine whether an account is trustworthy. Impersonators and unofficial community pages may use agency photographs, seals, or similar names. Confirm the account through the organization’s government website.
Social media should remain one part of a broader information plan. Posts can appear late, applications can fail, and internet service may be interrupted. Maintain access to text messages, telephone calls, email, radio, television, official websites, and direct instructions from emergency personnel.
Finally, review registrations every six months and whenever someone changes a telephone number, email address, residence, workplace, school, or caregiving responsibility. A completed registration is useful only if its information remains accurate.
Helpful Hint
Register every adult household member when permitted. One person’s telephone may be unavailable, uncharged, silenced, or outside the coverage area. Add more than one contact method and register important locations in every relevant jurisdiction.
Important Safety Reminder
Use this guide to prepare before an emergency. During an emergency, rely on current information from authorized public-safety and government sources. Community groups can help neighbors safely, but they should never replace or contradict official instructions. Call 911 when someone faces an immediate threat to life, safety, or property.
Important Preparedness and Safety Notice
This chapter provides general preparedness education, not real-time emergency instructions. Conditions, evacuation zones, routes, shelters, road closures, and public-safety directions can change rapidly. During an emergency, consult current information from authorized public agencies and follow all instructions issued by emergency officials. Call 911 for an immediate threat to life, active fire, serious injury, crime in progress, or another urgent emergency.
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