Montreal's raw sewage to be dumped into St. Lawrence River as planned Montreal to dump 8 billion liters of sewage in the St. Lawrence River PARODY The George Anton Show The City of Montreal is going ahead with its controversial plan to dump eight billion litres of raw sewage into the St. Lawrence River. Pierre Desrochers, the chairman of the city's executive committee, said at a news conference Friday morning that emptying a major sewer interceptor into the river is the only viable option that will allow necessary construction work to be completed. www.cbc.canewscanadamontrealmontreal-sewage-decision-river-pollution-1.