Rainwater and flooding, town by town
Each page covers one town: the heavy rain events reported there, the rivers and lakes the check does not cover, the official map to consult, and what the check adds for one address.
Laval
Lanaudière
Montérégie
Montréal
Check an address for $39
The check covers addresses in Québec and the Ottawa-Gatineau region where the 1 m terrain model is available. Enter the address: the order form tells you, before any payment, whether it is covered.
Elsewhere on this site
The FloodVerity check is a screening: it applies a design rainstorm to public terrain data and simulates where the rain runs and collects. It is not a hydraulic study or an official flood-zone determination, and it covers neither river and lake flooding nor sewer backup.