Ille-et-Vilaine. A stream polluted for nearly a month between Melesse and Betton

For miles, the fish have died, the water is gray and foamy, the smell foul-smelling. Since August 30, the small river of Quincampoix has suffered pollution, due to saturation of the treatment plant of Melesse (Ille-et-Vilaine). Despite the reports, the pollution persists.

There, there were dead fish, ten days ago, belly in the air“, says Jean-Luc Herrouin, finger pointing towards the Quincampoix.

This small river, which flows between Melesse and Betton in Ille-et-Vilaine, has been the victim of pollution since August 30. Over 5 km, hundreds of fish died.

Almost a month later, this Saturday, September 25, they no longer stand out but the foam mixed with the grayish color of the water is still very present. Just like the pestilential smell that emanates from it.

Fish in abundance

This pollution worries local residents, fishermen and conservationists. “We are not used to seeing the stream like that. It’s crystal clear, it’s still a first class river, laments Jean-Luc Herrouin, from the association Les Coquelicots de Betton.

There are fishermen everywhere, there are trout, lots of fish. So when you see that, you almost want to cry. Especially when you learn what it’s due. “

The saturated wastewater treatment plant

The Melesse wastewater treatment plant was quickly identified as the source of the problem. In a Facebook post, the town hall indicates that the processing plant “has suffered a malfunction“, following an excessively large supply of wastewater. Particularly polluted discharges, coming from the company Œuf du Breil.

The municipality considers that it has taken the necessary measures. “I asked that the owner of the company limit the volume shipments of wastewater in the network and put in place physicochemical controls that he sends“indicates the mayor, Claude Jaouen.

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A contribution of 90 m3 sludge was carried out between September 17 and 20 to strengthen the bacteriological treatment.

A complaint filed

For Eau et Rivières de Bretagne, these measures are insufficient. The environmental association denounces in a press release a “casually“of the community, especially in drought conditions.”The department of Ille-et-Vilaine has been on drought vigilance since September 2; situation which weakens the watershed of the Ille, which is already very vulnerable to pollution“, it is written.

Eau et Rivières de Bretagne has decided to file a complaint with the water police.

It is still quite serious that a community has not been able to manage this pollution and that it has been in control for several weeks., regrets Pauline Pennober, leader of the association.

There must be greater accountability of communities with regard to their wastewater treatment plants, which are also recurring pollution of our waterways. It’s not just agricultural pollution in Brittany. “

According to the association, only 3% of the rivers of Ille-et-Vilaine are today in good condition.

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