translate English to French: To this end, a surface ditch will be built at the top of the embankment, running to the boundary of the floodplain, together with a "constructed wetland" to filter runoff water before its discharge into the environment, so as to avoid the accumulation of chlorides in this habitat.
Parachèvement de l’autoroute 35 entre Saint-Jean-sur-Richelieu et la frontière américaine Juillet 2008