Plan in hand, the SNV workers try to find their way. The route is completed. But the project turns out to be “complicated”, according to specialists from the Nouvelle Vallet company. The problem lies underground. In this complex on the banks of the Marne in Joinville-le-Pont, the wastewater and rainwater networks of two residences mingle. At the risk of polluting the river.
Less than four months before the Olympic Games and the challenge of making the Seine swimmable, by August 1, the date of the whitewater events, there is an urgent need to resolve the last sources of pollution in the Marne.
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