City of Deux-Montagnes

Published purpose

The purpose of the project is to develop, consolidate and enhance various protection works to protect the local population from the floods which are now becoming more frequent (twice in three years above the 1 in 100 years mark) and to protect the essential services and infrastructures of the towns regrouped in this project. It includes acquisition of land in the flood zone, construction of a dyke in Deux-Montagnes on 0,8 km with a height of 25,71 m, and enhancement of the pluvial network in the flood zone. The following is also inluded in the project: in Pointe-Calumet, the enhancement of a 11,6 km dyke to reach an height of 25,71 m; in St-Joseph du lac, construction of 25 m tall floodgates in the Perrier brook sector and a dyke of 300 m on the Des Sables creek; in Oka, looping works on 150 m in the aqueduct network, installation of two dykes on 2,5 km, heightening the De la Plage street, installing pumping systems, and modifications to the loading pier in the Oka-Hudson crossing.