Regulatory flood zone established by an approved (obsolute) PPRI in the department of Orne

The PPR is a regulatory prevention dossier that informs populations and planners of risk areas and defines measures to reduce vulnerability. It was established by the Act of 22 July 1987, as amended by the Act of 2 February 1995. The PPR procedure is defined by Articles L.562-1 to L3562-9 of the Environmental Code.

风险预防规划（PPR）是一种法定预防卷宗，用于向民众与规划人员通报风险区域，并明确降低风险脆弱性的相关措施。该规划由1987年7月22日法案确立，并经1995年2月2日法案修订。风险预防规划的程序由《环境法典》第L.562-1条至L.3562-9条予以规定。