watercourses placed on orange alert

This Sunday, January 26, 2025, Vigicrues placed several watercourses in Ille-et-Vilaine on alert orange.

In the Country of Vitréthis is the case La Seiche and La Vilaine upstream. Elsewhere, Meu, Ille-l'Illet and Vilaine median are also placed on orange vigilance.

The Vilaine aval and the Oust are kept on yellow alert.

Saturated soils

“The Vilaine upstream watershed has experienced a significant amount of rain in recent days, with already high base levels and saturated soils. Levels are high and should remain until the start of the week due to the rain expected this Sunday,” warns Vigicrues in a bulletin.

The service says flood peaks are underway. “However, levels are expected to remain high until the start of the week.

For La Seiche, Vigicrues specifies that the flood phase continues this Sunday.

“Following the new rainy episode expected today, it should continue until the beginning of the week. The overflows should be of the same order as those observed during the flood of January 9. »

The prefecture calls for caution

In a press release, the prefecture calls for caution because “ significant flooding » are possible

Finally, on the waterways placed on orange alert, the safety conditions are “incompatible with the practice of canoeing and more generally with the individual or collective navigation of leisure boats (boat and other means of navigation)” .

Also, by prefectural decree, the prefect of Ille-et-Vilaineprohibits rental and navigationcanoes, kayaks, boats or any other similar craft on these waterways.

“Any violation of this ban will be punishable by a fine provided for in 2nd class fines,” communicates the prefecture.

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