Dataset Direct Download Service (WFS): Regulated area of the PPRN flooding by overflow of the Charente River on the commune of Chaniers in Charente-Maritime

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.
Depending on the hazard level, each area is subject to an enforceable settlement. The regulations generally distinguish three types of zones:
1- ‘Building prohibited areas’, known as ‘red areas’, where the hazard level is high and the general rule is the prohibition on construction;
2- ‘prescribed areas’, known as ‘blue zones’, where the hazard level is average and the projects are subject to requirements adapted to the type of issue;
3- areas not directly exposed to risks but where constructions, works, developments or farms, agricultural, forestry, craft, commercial or industrial could aggravate risks or cause new ones, subject to prohibitions or requirements (cf. Article L562-1 of the Environmental Code). The latter category applies only to natural RPPs.

针对自然风险防护区域（PPRs），《环境法典》（Environmental Code）于条款L562-1中划定了两类规制区域：一是风险暴露区域，二是虽未直接面临风险，但需采取措施避免风险加剧的区域。根据危险等级的差异，每类区域均需遵守可强制执行的开发管控要求。法规通常将区域划分为以下三类：1. "建筑禁止区"，亦称"红色区域"：该区域危险等级较高，通用规则为禁止一切建设活动；2. "指定管控区"，亦称"蓝色区域"：该区域危险等级中等，建设项目需遵循适配问题类型的管控要求；3. 未直接暴露于风险之中，但建设、工程、开发活动或农业、林业、手工业、商业及工业经营可能加剧既有风险或引发新风险的区域，该类区域需遵守相关禁令或管控要求（参见《环境法典》第L562-1条）。上述最后一类范畴仅适用于自然风险防护区域（RPPs）。