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Cette évaluation préliminaire doit permettre d'identifier les zones à risque potentiel d'inondation en Wallonie et, partant, d'établir des plans de gestion des risques.Sur base de l'analyse des événements d'inondation historiques (Preliminary Flood Risk Assessment - Past Events) et futures (Future Events), les zones potentiellement sensibles aux inondations ont pu être déterminées, telles qu'attendues par la Directive Inondation (DI - Art.5).L\u2019évaluation préliminaire, a demontré que l\u2019ensemble du territoire wallon est sensible aux inondations. En effet, la totalité des communes a déjà connu au moins un évènement d\u2019inondation depuis 1993. Chacun des bassins versants des plans de gestion (ou sous-bassins hydrographiques wallons) est donc identifié comme étant une zone à risque potentiel significatif d\u2019inondation (Area of Potential Significant Flood Risk - APSFR). Il s'agit d'une conclusion commune pour la Belgique.Les zones à risque potentiel significatif d\u2019inondation sont donc représentées par un point placé au centroïde du bassin versant des plans de gestion considéré. 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