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My Community Notification Network

Receive alerts about emergencies and other important community news by signing up for My Community Notification Network (MyCNN).

MyCNN is a community notification system that can contact subscribers through a method of their choice, such as telephones, cell phones, email and text messages. Subscribers will receive messages about tornados, industrial incidents and boil water advisories. This system enables us to provide you with critical information quickly in a variety of situations, such as severe weather, unexpected road closures, missing persons, and evacuations of buildings or neighborhoods.

You will receive time-sensitive messages wherever you specify, such as your home, mobile or business phones, email address, text messages and more. You pick where, you pick how.

In 2014 The City of Sarnia partnered with the Community Awareness Emergency Response (CAER) organization to create MyCNN to bring you timely information about critical events.

The CAER organization deals with the exceptional safety issues arising in the City of Sarnia. Given our proximity to industry, Sarnia presents unique public safety challenges. CAER is a valued community partner providing essential information you can use to prepare your family in the event of an emergency, including relevant instructions to help you and your loved ones stay safe. 

What’s New – 2021

Prior to 2021, when you registered for MyCNN, you could choose to receive SMS text message notifications informing you of a variety of situations categorized as emergency and non-emergency. In 2021, the City of Sarnia will continue to provide emergency mandatory notifications through SMS text message such as tornado warnings, missing persons, evacuations or shelter in place orders.  Non-emergency notifications, such as road closures, will no longer be offered via SMS text messaging. The function of this service is changing and will now require our citizens to download the Everbridge app.

Everbridge is a global leader in mass notifications and their Critical Event Management (CEM) platform is used by numerous municipalities across Canada. The City of Sarnia has used Everbridge’s CEM platform since 2014 when we partnered with CAER to create MyCNN.

Non-Emergency Notifications

Starting January 2021, the City of Sarnia can no longer send non-emergency notifications you selected upon registration of MyCNN, via SMS text messaging, without incurring additional fees. New guidelines and restrictions implemented by major phone providers throughout North America have caused Everbridge and other vendors to rethink their business models.

“In 2017, major phone providers started to change their pricing structure by adding a per SMS surcharge to be paid by vendors that send out SMS messages. This passthrough fee applies to all SMS messages regardless of industry or use case. Facing this, Everbridge changed their business model to allow clients to now choose how they send messages, i.e.: emergency related messages by phone call, text and other modalities while considering best practices for non-emergency use (road closures, snow removal, garbage, park closures, etc.) through options of email and Everbridge App.” 


To continue receiving non-emergency notifications on your smart phone or hand-held device, you must now download the Everbridge app and subscribe to MyCNN. This app will allow the City of Sarnia to continue providing this valuable service to its residents without additional cost. It is also providing the opportunity to streamline our emergency management services, as you can tailor your notifications and feed to contain only the non-emergency notifications you chose, as well as all emergency notifications.

Non-Emergency Alerts include:

a) Extreme temperatures
b) Flooding
c) Municipal safety instructions
d) Municipal service disruptions
e) Police information
f) Sarnia Transit and Care-A-Van
g) Traffic information-closures

Emergency Notifications

The fee incurred for non-emergency text notifications also applies to emergency notifications. However, the Community Awareness Emergency Response (CAER) organization, which partnered with the City of Sarnia in 2014 to create MyCNN, has agreed to incur the financial costs. The function of this service remains unchanged. Citizens will continue to receive emergency mandatory notifications through multiple methods, including SMS text messaging.

CAER is a valuable community partner that continually demonstrates its uncompromising support and efforts to keep our community safe.

Emergency Mandatory Alerts include:

a) Shelter-in-place notifications
b) Evacuation notifications
c) Tornado Alert: Action Required
d) Drinking water emergencies
e) Lambton Public Health Notices

In Summary

The health and well-being of our cherished City are of the utmost importance. By downloading the Everbridge app and subscribing to My Community Notification Network (MyCNN), you will receive time-sensitive alerts about emergencies and other important community news in the palm of your hand when you need them most.