Map Viewing Service (WMS) of the dataset: Perimeter of the Rhine District 2019

The identification of areas with significant flood risk (TRI) is based on the results of the Preliminary Flood Risk Assessment (EPRI), carried out at the level of each river basin district. It is also based on the national criteria for characterising the importance of the flood risk, as defined in the Ministerial Order of 27 April 2012, and takes into account, where appropriate, local particularities, such as the dangerous nature of the flood and any other local factors likely to aggravate the potential negative consequences associated with floods for human health, the environment, property including cultural heritage and economic activity. The list of IRRs drawn up by the competent authority at this scale, the Basin Coordinating Prefect. With a high urban population density, IRRs receive special attention from public authorities to reduce the cost of flood damage. To this end, the 8 IRRs identified in 2012 and confirmed in 2018 in the Rhine district are subject to: — a mapping of the risks to flood phenomena characterising the territory; — local flood risk management strategies at the level of the watersheds concerned显著洪水风险区（TRI）的识别以各流域片区层面开展的初步洪水风险评估（EPRI）结果为依据，同时遵循2012年4月27日部长令中规定的洪水风险重要性表征国家准则，并酌情纳入地方特异性因素，例如洪水的危险性，以及其他可能加剧洪水对人类健康、环境、包括文化遗产在内的财产及经济活动造成潜在负面影响的本地因素。由该层级主管部门——流域协调长官——编制的已识别洪水风险区（IRRs）清单。 由于城市人口密度较高，已识别洪水风险区（IRRs）受到公共主管部门的重点关注，以降低洪水灾害损失成本。 为此，莱茵河流域片区2012年识别并于2018年确认的8处已识别洪水风险区需落实以下要求： — 区域洪水现象风险制图； — 相关流域层面的本地洪水风险管理策略。