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Flooding in Brandon during the 2014 Assiniboine River Flood. The second crest reached St. Lazare, Manitoba on July 9 and crested at 1,290.78 feet above sea level (ASL), which was approximately 0.7 ft. higher than the previous record crest of 2011. [10] Nine homes in the St. Lazare area outside the community ring dike were damaged. [11]
Heavy rainfall began causing major flooding in the Red River Valley in Manitoba on Thursday, May 12, and continued into the weekend.On May 11, NASA’s Earth Observatory said the Red River Valley ...
In 1997 these towns and the surrounding farm buildings and lands ended up with the bulk of the flood water in order to save Winnipeg from flood damage. [17] In 2011, the Manitoba government intentionally diverted water from the Assiniboine River to save Winnipeg which ended up flooding communities around Lake Manitoba - The communities of ...
The 2011 Assiniboine River flood was caused by above average precipitation in Western Manitoba and Saskatchewan. This was a 1 in 300 year flood that affected much of Western Manitoba. The flooding in Manitoba was expected to mostly involve the 2011 Red River Flood but instead the more severe flooding was found on the Assiniboine in the west.
The flood waters were diverted into Lake Manitoba, which put many residences and cottages on Lake Manitoba at risk for flooding. To protect cottagers, residences, farmland areas that were Provincial lands with high property values to Lake St. Martin Indigenous reserves that were federal Crown land, without value.
This flood stimulated improvements to the flood protection system. In Manitoba flood waters reached 21.6 ft (6.6 m), which caused 28,000 people to be evacuated and $500 million CAD in damage to property and infrastructure. [40] [41] The 1997 Red River Flood resulted in large DFAA payments. [39]
In Winnipeg, the flood crested at 24.5 feet (7.5 m) above datum at the James Avenue pumping station, making it the third-highest flood at Winnipeg in recorded history. It was surpassed by the floods of 1825, and 1826. The city was largely spared the fate of Grand Forks thanks to the Floodway, which was pushed to its capacity during the 1997 flood.
A Government of Manitoba report following the 2011 Assiniboine River Flood found that the flood "could have resulted in the river flowing east by a different route, possibly joining the Red River south of Winnipeg, or potentially even flowing north to Lake Manitoba as it did thousands of years ago," without the flood control infrastructure ...