The regulated zoning of the Natural Hazard Prevention Plan (PPRN) is digitised in accordance with the national requirements of COVADIS. For natural PPRs, the Environmental Code defines two categories
The origin of the risk characterises the real-world entity which, through its presence, represents a potential risk. This origin may be characterised by a name and, in some cases, a geographical objec
This dataset contains the boundaries according to the stage of development of the PPRN. The characteristic of a perimeter is to be the consequence of an official act and to produce its effects from a
Pour les PPR naturels, le code de l'environnement définit deux catégories de zones (L562-1) : les zones exposées aux risques et les zones qui ne sont pas directement exposées aux risques mais sur lesq
