![]() Those measures would bring the projected average annual damage cost down to $32 million a year.įive years later, there's still plenty of debate and hand-wringing about those big ticket projects that could provide significant levels of flood protection to a city that's seen several major flooding events in the past 25 years. The provincial government has committed to fund the Springbank reservoir and it's investigating the possibility of a new reservoir on the Bow River. Calgary faces 3.9% chance of '1-in-100-year' flood before major mitigation is built. ![]() There are 3 options for flood mitigation on the Bow River and none of them will be easy.Winnipeg, with its Red River floodway diversion system, has the highest level of flood protection of any city in Canada, up to a 1-in-700-year flood.Ĭalgary has endorsed a $1.47-billion plan that would include the Springbank reservoir, a new reservoir on the Bow River upstream of Calgary, 4.5 kilometres of flood barriers, improvements to the Glenmore reservoir and groundwater control for the northwest community of Sunnyside. The city is considering flood mitigation options that would provide protection against a 1-in-200 year event, which has a 0.5 per cent chance of occurring in any given year. The 2013 flood was considered a 1-in-70-year event. Hundreds of millions of dollars have been invested in the East Village since the area was inundated with flood water in 2013. ![]()
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