I used to live right on the banks of the Seine River in St. Vital, never got flooded, but came really close in 1997, the water was over my fence but still about 8 ft lower than my house. Paddled my canoe over the fence on May long weekend and across the golf course on the other side.
Could never figure out why they would build a town where two rivers meet, except that the rivers were hwys. Mean level of lake Wpg is 762 ft I think Wpg is maybe 800 ft. The red river delta is about 40 miles North of the city. You do the math