Although identified as a major hazard, the risk of flooding is insufficiently taken into consideration in Île-de-France, the prevention policies put in place not being up to the heavy stakes.
These are the conclusions of the report made public on Thursday by the Court of Auditors, which recalls the OECD study carried out in 2014. This had estimated the cost of damage that a hundred-year flood identical to that of 1910, when the waters of the Seine had reached 8.60 meters high.
Despite these heavy financial consequences, the measures put in place take on water in this region, which is nevertheless the most exposed due to a density unequaled in the rest of the country.
In particular, the existence of rules that are not very restrictive.
No pilot on board
Thus, even if flood risk plans have been drawn up by the prefects to protect flood-prone areas, construction has not stopped.
Likewise, in the aftermath of the terrible floods of 2016 and 2018…
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