Citizen presentation | Flooding and sewer backup: how to better protect your home

On November 21, the Ville de Vaudreuil-Dorion held a special presentation on the flooding and sewer backups that occurred on August 9, 2024, following the rains associated with Hurricane Debby. The purpose of this citizens' meeting was to inform the public about the causes of the August 9 events, explain the mechanisms of sewer backup and surface flooding, and provide technical information on protective measures for residences. Several key topics were addressed, including:

• The definition of network types in Vaudreuil-Dorion;
• Plumbing code sections for protecting residences against backflow;
• The distinction between main and secondary lines;
• Different types of valves and their effectiveness;
• The BNQ standard for pressure-resistant valves;
• Pumping equipment;
• Anomalies found during previous inspections.

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