Rennes. Ongoing Vilaine Pollution

On Thursday 22 May 2025, around 9 p.m., passers-by reported an unusual colouration of the Vilaine in the centre of Rennes, between the Malakoff Bridge and the Robert Schuman Bridge. The water showed a characteristic irization of oil pollution. The firefighters intervened quickly, installing a floating dam and absorbent products to contain the tablecloth. The next morning, an reconnaissance confirmed the presence of hydrocarbons. The analyses rul…