Map Viewing Service (WMS) of the dataset: Veyre PPRi Restricted Area (63DDT19980007) approved on 22-12-2008 — Puy-de-Dôme

For natural PPRs, the Environmental Code defines two categories of zones (L562-1): risk-exposed areas and areas that are not directly exposed to risks but where measures can be foreseen to avoid exacerbating the risk The Veyre Basin RPP defines 2 types of restricted areas: Red Zone where all new constructions are prohibited: R1: low Hazardous Flood Expansion Fields R2: medium Hazards — Flood Expansion Fields R3: Vagaries R3u: Vagaries in urban centres Orange area where new constructions are authorised with prescription: O1: low-risk urban area O2: urban area with medium uncertainties针对自然PPR，《环境法典》在条款L562-1中明确划定了两类区域：风险暴露区，以及虽未直接承受风险，但可通过预先制定防控措施规避风险加剧的区域。 韦尔流域RPP划定了两类管制区域： - 禁止一切新建活动的红色管控区： R1：低危险洪水漫溢区域 R2：中等危险洪水漫溢区域 R3：异常洪水区域 R3u：城市中心区域的异常洪水区域 - 需经合规审批方可开展新建活动的橙色管控区： O1：低风险城市区域 O2：存在中等不确定性的城市区域