Drinking water in towns near lyon polluted above permitted levels


Drinking water in towns near lyon polluted above permitted levels

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THE WATER SERVES 166,000 RESIDENTS IN THE AUVERGNE-RHÔNE-ALPES More than 50 towns near Lyon have been ordered to take corrective measures after new analyses found that their drinking water


contained ‘eternal pollutants’ (or 'forever chemicals') above permitted levels. The water serves 166,000 residents in the Auvergne-Rhône-Alpes, and a new report from the Agence


Régionale de Santé (ARS) found that it has above-permitted levels of per- and polyfluoroalkyl substances (PFAS). These are known as ‘eternal pollutants’ which are used to make products that


resist heat, oil, stains, grease, and water (such as non-stick pans, waterproof fabric, and food packaging). They are called ‘eternal pollutants’ because they accumulate over time in the


air, soil, water, food and the human body. Studies have suggested that exposure to them over a long period can affect fertility and even cause certain cancers. The ARS in


Auvergne-Rhône-Alpes has A PAGE dedicated to the risks of PFAS, the regulations surrounding their use, and details of the government’s plan (from 2023) to act on the pollutants. WATER IS


STILL DRINKABLE, BUT… The water in the affected areas - mainly located in the ‘chemical valley (_vallée de la chimie_)’ south of Lyon - is still available to drink. However, the ARS has


asked authorities in each town to present, as soon as possible, “measures of their choice to bring [the water] back under the threshold” of 100 nanograms per litre. Authorities will then


have three years to put these measures in place. “Even though the quality limit has been breached, this does not mean that there is an immediate risk to the population,” said Aymeric Bogey


at the ARS. “According to current knowledge, we do not know at which level the PFAS become a definite risk. But we do not want to wait to find out.” Mr Bogey said the three main solutions


available are: * Activated carbon treatment * Connecting to other networks to dilute the water * Not using the problematic source. SPECIFIC WATER SOURCES The ARS has also targeted central


water sources that are “potentially at risk”, including eight sources - of which two privately-owned wells - that were clearly above the permitted limit. Two of these have now come back down


under permitted levels after prompt measures were undertaken. One, in the town of Rumilly (Haute-Savoie) - where a Tefal factory is located - was also forced to stop using two contaminated


water sources in 2022, after the discovery of perfluorooctanoic acid, which was banned in 2020 due to links with cancer. A full list of the areas found to be ‘non conforming’ in the latest


PFAS check can be downloaded as an Excel table document from THIS ARS WEBPAGE. RELATED ARTICLES POTENTIALLY TOXIC ‘FOREVER CHEMICALS’ ARE POORLY MONITORED IN FRANCE AVOID DRINKING TAP WATER


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