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 hazardous phenomenon are used to define the risk basins, the areas exposed to the risks that underpin the PPR.
__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 for linking floodable surfaces with geographical entities at the origin](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=N_prefixTri_REL_HYDRO_INOND)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/b24f094533815436ff191aabf51a1ea89e45f37a)
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