It is a policy which Laurent Bonnaterre, the mayor of Caudebec-lès-Elbeuf, a town of just over 10,000 inhabitants in Seine-Maritime, attributes the initiative to his predecessor, Noël Caru.
But with new constructions and projects in the pipeline, the municipality is accelerating the movement to fight against global warming.
Thus, six water collectors from 10 to 20 m3 have already been installed, and a giant steel tank of 280 m3, with a diameter of 2 m, has just been buried under the Michel Vernon stadium.
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The sports complex is being renovated, with a new synthetic surface and the doubling of changing rooms.
So many surfaces on which rainwater will spread through gutters and gutters.
“The water will fill the collector.
Our first items of consumption are the stadium of honor in grass, the green spaces, the cleaning of the market place twice a week and, on a lesser scale, the washing of the vehicles of the city as well as the road during accidents. .
It takes 300 to 600 m3 of water per year.
For the moment, part comes out of the other cisterns and the majority of the drinking water network of the Rouen Normandy Metropolis.
There we should be self-sufficient, under normal climatic conditions.
The long-term goal is to no longer collect drinking water from the network.
Here in the cistern,
Aid so that residents can equip themselves
With their trucks, the agents will therefore come directly to pump into the tank.
This investment of 125,000 euros, half subsidized, is motivated first by the preservation of the resource - "we don't need treated water for watering and cleaning, it's going so much in the right direction" - and then by the municipal budget - "it's inexpensive and simple for the agents" - with savings estimated at 6,000 euros per year.
“During each operation, cities have to be rethought”
Laurent Bonnaterre, Mayor of Caudebec-lès-Elbeuf
Installed during each renovation or construction, other water collectors will be installed, for example during work on the covered market hall.
With a V-shaped roof, the water will flow into the posts and through gutters to the ground: “During each operation, cities have to be rethought.
Residents should also be responsible.
In Caudebec-lès-Elbeuf, we co-finance waste pickers for individuals.
Even the competition of flowered houses gives points to those who are equipped”.
