Lake Winnipeg Lake Winnipeg Lake Winnipeg () is a very large, but relatively shallow lake in North America, in the province of Manitoba, Canada. Its southern end is about north of the city of Winnipeg. It is the largest lake within southern Canada's borders, and is part of the most undeveloped large watershed of southern Canada. Lake Winnipeg is Canada's sixth-largest freshwater lake, and the third-largest freshwater lake contained entirely within Canada, but it is relatively shallow (mean depth of ) excluding a narrow deep channel between the northern and southern basins. It is the eleventh-largest freshwater lake on Earth. The lake's
History of Winnipeg and Canadian Prime Minister Louis St. Laurent declared a state of emergency. Soldiers from the Princess Patricia's Canadian Light Infantry regiment staffed the relief effort for the duration of the flood. The federal government estimated damages at over $26-million, although the province insisted it was at least double that. To protect the city from future flood damage, the Red River Basin Investigation recommended a system of flood control measures, including multiple diking systems and a floodway to divert the Red River around Winnipeg; this prompted construction of the Red River Floodway under Premier Dufferin Roblin. In the 1960s, Winnipeg was