Use of prohibited treatments to purify mineral waters is banned in France. Le Monde and Radio France cite a report from the General Inspectorate of Social Affairs.

“Nearly 30% of commercial designations undergo non-compliant processing,” the report says. Another judicial investigation has been opened targeting the Nestlé Waters group for regulatory breaches, a government source confirmed on Tuesday, without specifying the location of the investigation. The Nestlé group assured that the practices were no longer used in its brands (Perrier, Vichy and Contrex)