From 2022, nearly 20 kilometers of pipes will have to be replaced under the territory of twelve municipalities in the metropolis of Rouen (Seine-Maritime), reports
Paris Normandie
.
This work comes after the discovery, on the initiative of recent controls, of vinyl chloride monomer (CVM) levels ten times higher than the authorized standard.
This substance derived from PVC is considered carcinogenic, its long and prolonged absorption participating in the development of liver cancer.
A purge not fully effective
Before the 1980s, many pipes contained this substance, which is sometimes found in water. In total, the metropolis will have to spend four million euros to replace them. In the meantime, 32 households in the town of Saint-Pierre-de-Manneville are still supplied with water bottles by Véolia, the purging operations not having been conclusive in this sector. The situation could last because of the private nature of several conduits in the area, according to Jean-Pierre Breugnot, the mayor of Gouy.
Saint-Pierre-de-Manneville should be one of the priority municipalities for these replacement works which will affect 17,000 inhabitants and spread over two years.
As for residents who are not concerned, there is no risk of an increase in CVM.
"This molecule is static and falls into the bottom of the pipes", explained an elected official in charge of the file.
Health
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Planet
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Rouen
Seine-Maritime
Environment
Water
Works
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