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A report by the National Health Security Agency (Anses) reveals that groundwater in nine French regions is polluted by the solvent 1,4-Dioxane. This substance, not regulated in France, is potentially carcinogenic.
The regions concerned are Auvergne-Rhône-Alpes, Bourgogne-Franche-Comté, Centre-Val-de-Loire, Grand-Est, Hauts-de-France, Nouvelle-Aquitaine, Occitanie, Pays-de-la-Loire and Ile-de-France.
A record concentration in the Yvelines
The Ile-de-France region would be the most affected by this pollution, with four drinking water production plants showing positive results for the product.
Among them, two are in the Yvelines, and one of them has a maximum concentration of 4.8 micrograms per liter, the record in France.
Additional investigations to understand the reasons for this contamination
ANSES reports that additional investigations will be carried out on certain sites, particularly in Yvelines, to understand the reasons for this contamination. Investigations which will be carried out in collaboration with the Regional Health Agency (ARS).
Asked by Le Parisien, ANSES wanted to reassure consumers: “the water distributed in the municipalities concerned is of good quality for the parameters analyzed within the framework of the regulatory health control and taking into account current scientific knowledge”.