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"Ultrapure" drinking water in Île-de-France: hard blow for an 800 million euro project

2022-01-27T18:58:58.467Z


The prefect of Seine-et-Marne has not granted the necessary environmental authorization for the project of the Syndicat des eaux d'Île-de-France, which c


Cold shower for the Sedif.

The Syndicat des eaux d'Île-de-France, which distributes nearly two-thirds of the drinking water of Ile-de-France residents, once again sees an obstacle standing in its way towards its dream of ultrapure water.

The prefect of Seine-et-Marne had to rule on the request for environmental authorization expressed by Sedif to start the work.

The state representative had until January 20 to respond and he did not.

Which is equivalent to a refusal.

The president of Sedif determined to continue despite everything

A stop hailed this Thursday evening by the many opponents of this investment deemed too expensive and unnecessary.

“The building permit cannot be issued after this implicit refusal from the prefecture” we judge at Grand Paris Sud, the agglomeration at the fore against the project.

In a press release, also signed by the departments of Seine-et-Marne, Essonne, and the association of mayors of 77, the opponents are now asking Sedif to "give up its project".

Read alsoUltrapure drinking water in Île-de-France: outcry around the “big project” of Sedif

Right without his boots, the president of Sedif, André Santini, UDI mayor of Issy-les-Moulineaux (Hauts-de-Seine), said yesterday "determined to continue this project for the future and of general interest, which meets the expectations of our 4 million users in the Ile-de-France in terms of water quality and anticipates the increasing requirements of the authorities in terms of health".

An appeal to the administrative court to overturn the decision of the prefect of Seine-et-Marne is looming.

The same technique as to desalinate seawater

The “low pressure reverse osmosis (OIBP)” treatment technique was initially used to desalinate seawater and provides unprecedented water quality by eliminating all micropollutants through ultra-fine filtering.

So much so that this "too pure" water must then receive the minerals when it leaves the factory in order to become drinkable again.

The objective is initially to install this technique for testing at the Arvigny plant, located in Savigny-le-Temple (Seine-et-Marne), which supplies users from Athis-Mons, Juvisy -sur-Orge (Essonne), Villeneuve-le-Roi, Rungis and Ablon-sur-Seine (Val-de-Marne).

A project estimated at 34 million euros just on Savigny-le-Temple and more than 800 million euros once deployed on the other factories of Sedif.

Too much water drawn from the Champigny aquifer, according to opponents

Opponents put forward two major criticisms: "This Arvigny project requires a withdrawal of 15% more water from the Champigny aquifer to produce the same quantity of drinking water as it produces today, all of this in a layer of quantitative and qualitative tension, explains Grand Paris Sud.

And the discharge into the Seine of a concentrate — representing the extraction of all the organic matter and mineral salts from the water — of a volume equivalent to two Olympic swimming pools a day goes against all the policies pursued by the territories, particularly in terms of biodiversity”.

Source: leparis

All news articles on 2022-01-27

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