Linear entity at the origin of the risk PPRNI of Arnage and Allonnes in Sarthe.

The origin of risk characterises the real-world entity which, by its presence, represents a potential risk. This origin can be characterised by a name and, in some cases, a geographical object l' real entity to #x27; origin of risk. The location of the entity and the knowledge of the dangerous phenomenon are used to define the risk basins, the areas exposed to the risks that form the PPR.For PPRNs, this entity may, for example, correspond to a stream of water, a geologically unstable area. __Origin__ Detailed genealogy information is provided in the report accompanying the maps and the GIS Flood Directive. This information explains the choices made on data and production methods. __Partner organisations__ DDT Sarthe __Links annexes__ * [COVADIS data standard: Table of issues related to cultural heritage.](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=N_prefixTri_ENJEU_PATRIM_P) [See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/c7576da34c3b74f4e318b53a7f9d0107d9cece06)