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- Portage_Diversion abstract "The Portage Diversion (49°56′48″N 98°20′06″W) (also known as the Assiniboine River Floodway) is a water control structure on the Assiniboine River near Portage la Prairie, Manitoba, Canada. The project was made as part of a larger attempt to prevent flooding in the Red River Valley. The Portage Diversion consists of two separate gates which divert some of the flow of water in the Assiniboine River to a 29 km long diversion channel that empties into Lake Manitoba near Delta Beach. This helps prevent flooding on the Assiniboine down river from the diversion, including in Winnipeg, where the Assiniboine River meets the Red River.During flood years such as the 2011 Assiniboine River flood, inlet flows to the Portage Diversion control structure were measured at over 54,000 cu ft/s (1,500 m3/s). This amount of water would have disastrous effects if left to flood southern Manitoba. During the flood of spring 2011, the Portage Diversion handled roughly half the flow of Niagara Falls.The Assiniboine River and diking system can handle flows up to approx 10,000 cubic feet per second (280 m3/s) without a serious breach. However, many properties between Portage la Praire and Winnipeg are flooded once the flows exceed 10,500 cfs, including commercial establishments such as the KOA campground in St Francois Xavier. Over the past few years as high river flows have occurred east of Portage la Prairie, residents have noted significant bank erosion and stands of trees decades old are dying off. In recent years government policy has allowed 12,0000 + cfs down the lower assiniboine towards Winnipeg causing major property and environmental damage.The diversion was originally designed to carry a volume of 25,000 cubic feet per second (710 m3/s). Under a state of emergency in early May 2011, Manitoba authorities did extensive work by raising the dikes and were preparing to send up to 34,000 cu ft/s (960 m3/s) down the diversion channel with bridges downstream being the determining factor in flow rate.[1],[2]The diversion was built at a cost of $20.5 million in 1970. The diversion control dam is 35 feet (11 m) high and 1,400 feet (430 m) long and allows 14,600 acre foot (18,000,000 m3) storage.".
- Portage_Diversion thumbnail PortageSpillway.JPG?width=300.
- Portage_Diversion wikiPageExternalLink index.html?archive=&item=11454.
- Portage_Diversion wikiPageExternalLink story2.html.
- Portage_Diversion wikiPageExternalLink breach-best-of-bad-choices-121551129.html.
- Portage_Diversion wikiPageID "4845642".
- Portage_Diversion wikiPageLength "4925".
- Portage_Diversion wikiPageOutDegree "18".
- Portage_Diversion wikiPageRevisionID "669972585".
- Portage_Diversion wikiPageWikiLink 2011_Assiniboine_River_flood.
- Portage_Diversion wikiPageWikiLink Assiniboine_River.
- Portage_Diversion wikiPageWikiLink Canada.
- Portage_Diversion wikiPageWikiLink Category:Buildings_and_structures_in_Manitoba.
- Portage_Diversion wikiPageWikiLink Category:Flood_control_in_Canada.
- Portage_Diversion wikiPageWikiLink Category:Flood_control_projects.
- Portage_Diversion wikiPageWikiLink Lake_Manitoba.
- Portage_Diversion wikiPageWikiLink Manitoba.
- Portage_Diversion wikiPageWikiLink Niagara_Falls.
- Portage_Diversion wikiPageWikiLink Portage_la_Prairie.
- Portage_Diversion wikiPageWikiLink Red_River_Floodway.
- Portage_Diversion wikiPageWikiLink Red_River_Valley.
- Portage_Diversion wikiPageWikiLink Red_River_of_the_North.
- Portage_Diversion wikiPageWikiLink Shellmouth_Reservoir.
- Portage_Diversion wikiPageWikiLink Winnipeg.
- Portage_Diversion wikiPageWikiLink File:PD33.JPG.
- Portage_Diversion wikiPageWikiLink File:PortageSpillway.JPG.
- Portage_Diversion wikiPageWikiLink File:Portage_Diversion_maximum_capacity.jpg.
- Portage_Diversion wikiPageWikiLinkText "Assiniboine River Floodway".
- Portage_Diversion wikiPageWikiLinkText "Portage Diversion".
- Portage_Diversion hasPhotoCollection Portage_Diversion.
- Portage_Diversion wikiPageUsesTemplate Template:Convert.
- Portage_Diversion wikiPageUsesTemplate Template:Coord.
- Portage_Diversion subject Category:Buildings_and_structures_in_Manitoba.
- Portage_Diversion subject Category:Flood_control_in_Canada.
- Portage_Diversion subject Category:Flood_control_projects.
- Portage_Diversion hypernym Structure.
- Portage_Diversion point "49.946666666666665 -98.335".
- Portage_Diversion type Building.
- Portage_Diversion type SpatialThing.
- Portage_Diversion comment "The Portage Diversion (49°56′48″N 98°20′06″W) (also known as the Assiniboine River Floodway) is a water control structure on the Assiniboine River near Portage la Prairie, Manitoba, Canada. The project was made as part of a larger attempt to prevent flooding in the Red River Valley. The Portage Diversion consists of two separate gates which divert some of the flow of water in the Assiniboine River to a 29 km long diversion channel that empties into Lake Manitoba near Delta Beach.".
- Portage_Diversion label "Portage Diversion".
- Portage_Diversion sameAs m.0cqpkc.
- Portage_Diversion sameAs Q7231411.
- Portage_Diversion sameAs Q7231411.
- Portage_Diversion lat "49.946666666666665".
- Portage_Diversion long "-98.335".
- Portage_Diversion wasDerivedFrom Portage_Diversion?oldid=669972585.
- Portage_Diversion depiction PortageSpillway.JPG.
- Portage_Diversion isPrimaryTopicOf Portage_Diversion.