Province eyes permanent Lake St. Martin flood channel - Action News
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Manitoba

Province eyes permanent Lake St. Martin flood channel

The provincial government has announced two new measures to mitigate flood dangers in the province and usher water out of Lake Manitoba more quickly.

Province of Manitoba wants emergency flood channel available year-round

Province eyes permanent Lake St. Martin flood channel

11 years ago
Duration 1:46
The provincial government has announced two new measures to mitigate flood dangers in the province and usher water out of Lake Manitoba more quickly. CBC's Chris Glover reports.

The provincial government has announced two new measures to mitigate flood dangers in the province and usher water out of Lake Manitoba more quickly.

On Wednesday, officials announced they planned to spend $250 million onmaking anemergency flood channel that runs from Lake St. Martin permanent and creating a new outlet for Lake Manitoba.

Lake St. Martin was inundated with flood waters in 2011, forcingthousands of evacuees from the community, located about 280 kilometres north of Winnipeg.

During the spring and into the summer of 2011, the province struggled to contain the swollen Assiniboine River by operating the Portage Diversion well over its capacity.

Excavators work on the emergency channel carved out in the fall of 2011 to lower the levels of Lake Manitoba and Lake St. Martin. (Government of Manitoba)

The 29-kilometre channel starts at an inlet near Portage la Prairie and moveswater from the river into Lake Manitoba.

The amount of water it fed into Lake Manitoba caused a surge in the lake's levels andresulted inconsiderable damage when spring storms whipped up waves that slammed into homes and cottages in many communities and flooded farmland that is still trying to recover.

In August 2011, the province spent $100 million to carve outa 6-kilometre-long channel to bring down the levels on Lake Manitoba and Lake St. Martin.

The channel, which opened in November 2011,redirected water from Lake St. Martin to Big Buffalo Lake, where it flowed naturally into the Dauphin River and eventually into Lake Winnipeg, but the channel is currently only temporary, so officials cant operate it at all times.

In the fall of 2012, the channel was closed, and it remains closed today.

Under new provisions, the channel could be opened and closed at the provinces discretion.

Before they can make the channel permanent, an environmental assessment and infrastructure changes will need to take place.

Officials said they hope the channel will help control water levels on both Lake St. Martin and Lake Manitoba.

The nearby Lake St. Martin First Nation recently met a major milestone in securing new land for their community.

Provincial officials estimated making the channel permanent would take about eight years, and once it was completed a new outlet for Lake Manitoba would be created.