Story no.497OngoingEnvironmentNotableIlle-et-Vilaine +14 Nov → 10 Nov3 facts · 3 art.
Three river pollution incidents in eight days in Ille-et-Vilaine
On November 4, 2026, pollution was discovered in the La Valière stream near Vitré, with investigators from the OFB tracing the source of the discharge back to Mayenne. On November 6, a new water pollution was found in the Vitré area, with the Cantache river affected after an agricultural discharge. On November 10, three pollutions in eight days were recorded in Ille-et-Vilaine, affecting La Valière, the Cantache and the Yaigne. These incidents sparked anger among fishermen and raised questions about monitoring of agricultural and industrial discharges.
In brief
Ongoing story bringing together 3 events in 2 departments (Ille-et-Vilaine, Mayenne), followed from 4 November 2026 to 10 November 2026. 3 articles from 3 sources (environment); last updated on 10 November 2026 at 05:49.
Ille-et-Vilaine
Photo User:XIIIfromTOKYO · CC BY-SA 3.0 · Wikimedia Commons3 articles of rated outlets · 3 sources (3 art.) · 2 bords sur 3 · outlets: left 0, centre 2, right 1
Angle comparison for the whole story
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Timeline
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In figures
Affected departments
Multiple departments (2)
Reported toll
No numeric assessment in the articles.
Further reading
Organisations cited
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Events in the story
Affected departments