To prevent Parisians from having their feet in the water, with the floods of recent days, four large reservoirs upstream of the Seine are operating at full speed.
To complete this system, agricultural land acts as retention basins.
“
Currently, we fill the equivalent of an Olympic swimming pool, every fifteen seconds, in each of our four retention lakes
,
”
Marc Delannoy, director of hydraulic development at EPTB (public territorial basin establishment), Seine Grands, explains to Figaro. Lakes.
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These infrastructures are located near the tributaries of the river, more than 200 kilometers east of the capital, in the departments of Marne, Aube and Nièvre.
“
Our tanks are now filled to 61% of their capacity, whereas they should be at 52%
,” continues Delannoy
.
We keep some leeway in case a second flood occurs.
In 2018, the Orient Lake, near Troyes, was full
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