A review by Environment Canada, is the latest development in the controversy surrounding the City of Montreal’s plan to dump eight billion litres of untreated sewage into the St. Lawrence River.

Montreal Mayor Denis Coderre has stuck by the plan, saying it is needed for the lowering of the Bonaventure Expressway. A large snow dump that is connected to the sewer interceptor needs to be moved for the construction project and maintenance is required on the interceptor itself. To do these things,…