Question 9416 — natural disasters

Summary

The Loire basin is indeed exposed to the risk of flooding: according to the preliminary assessment of the flood risks of the Loire-Bretagne basin adopted by the basin coordinator prefect on December 21, 2011, 1.7 million people permanently reside in an area potentially exposed to the risk of flooding. Recent events in the Loire basin have reminded us of the vulnerability of the territory with regard to risk. flooding, particularly during the stormy-rainy episodes of May-June 2016. In the Loiret, these episodes caused in particular between May 31 and June 10 the cutting of the A10 motorway which required the evacuation by the army of nearly 350 users. The department of Indre-et-Loire was also particularly affected by the flooding of the Cher. More recently, the storms and rainy episodes of 2018 impacted more than fifty municipalities of Indre-et-Loire leading to the overflow of small rivers. A flood risk management plan (PGRI) was approved at the scale of the Loire-Bretagne basin by the basin coordinator prefect by decree of November 23, 2015. The PGRI defines, at the level of the Loire river basin, the flood risk management objectives to reduce the negative consequences of flooding. As for the contract of Loire interregional plan (CPIER) 2015-2020, it constitutes the continuation during this period of the Loire plan aimed at defining and implementing a flood risk management policy in the Loire basin while respecting aquatic environments, and a tool for the implementation of the PGRI for flood prevention. The flood prevention actions included in the CPIER Loire 2015-2020 relate to the development and implementation of territorialized and coherent strategies for reducing flood risk, the definition of a global plan for managing and securing dikes and carrying out the corresponding works, and the preservation or recreation of flow zones, mobility spaces and flood expansion fields. In mid-2018, local strategies for the 14 Loire flood risk areas were developed and approved. They constitute, for the communities that support them, an essential framework for multi-criteria intervention to reduce the vulnerability of these territories to flood risk. The planned actions benefit from an amount of 152.7 million euros, including 72.4 million euros of State participation covered by credits from the major natural risks prevention fund (FPRNM), from the budget of the Ministry of Transition. ecological and solidarity and the Loire-Bretagne water agency. Concerning more specifically studies and works on state dykes, the CPIER Loire 2015-2020 provides for a State participation of 60 million euros through credits from the major natural risks prevention fund, which will make it possible to carry out a total work program of more than 75 million euros based on co-financing from the communities concerned. (mainly public intermunicipal cooperation establishments and departments). Apart from major river plans, such as the Loire plan, the mobilization of FPRNM credits is done within the framework of flood prevention action programs (PAPI), carried out by local authorities or their groups, at the scale of risk basins. A PAPI project is being developed in the Val de Tours for floods of the Loire and Cher, as well as in other areas at significant risk of flooding in the Loire region. FPRNM credits can help finance works or developments to slow down runoff relating to the management of runoff flooding linked to exceptional rainfall within the framework of a PAPI. Concerning the municipalities affected by the exceptional storms of June 9, 10 and 11, 2018, the Property insured in these municipalities may benefit from insurance compensation, if the state of natural disaster is recognized in the municipality where the property is located. Indeed, article L. 125-1 of the insurance code specifies that the state of natural disaster is noted by interministerial decree which determines the areas and periods where the disaster took place, as well as the nature of the damage resulting from it, covered by the natural disaster guarantee. Several municipalities (Civray-de-Touraine, La Croix-en-Touraine, Rochecorbon, Vernou-sur-Brenne and Vouvray) benefited from the recognition of the State of natural disaster by a decree of September 17, 2018.

Machine translation from French. The official text remains authoritative.

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