Flood Risk Areas and Historical Floods

Flood risk areas display the extent of known historical flood events as well as areas that have a probability of flooding as determined from historical records.

The polygon data includes the description of the flood event, the typical causes of the flood and any associated place name keys.

The line data indicates the limits of the flood risk mapping information and the 2008 and 2018 flood data.

Flood extents for the 2008 and 2018 Lower Saint John River floods are included.

Données et ressources

Info additionnelle

Champ Valeur
Dernière modification janvier 20, 2026, 00:32 (TU)
Créé le janvier 16, 2026, 20:34 (TU)
crisis_categories Inondations
criticality_level Élevé
data_formats CSV; FGDB/GDB; GEOJSON; HTML; KML; KMZ; RSS; SHP; XML
description_fr Flood risk areas display the extent of known historical flood events as well as areas that have a probability of flooding as determined from historical records. The polygon data includes the description of the flood event, the typical causes of the flood and any associated place name keys. The line data indicates the limits of the flood risk mapping information and the 2008 and 2018 flood data. Flood extents for the 2008 and 2018 Lower Saint John River floods are included.
fair_openness Level 2 - Machine-readable
geographic_scope Canada
opening_level Donnée ouverte au grand public
sector form_descriptors
sensitivity_level Faible
source_inventaire Inventaire_F
source_url https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/IMAGERIE/Produits_derives_LiDAR/Hydrographie/Indice_humidite_topographique/1-Documentation/LISEZ-MOI-Indice-humidite-topographique.pdf
title_fr Flood Risk Areas and Historical Floods
update_frequency Inconnue