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<blockquote data-quote="Allen" data-source="post: 420918" data-attributes="member: 389"><p>Yes, by one year.&nbsp; They started filling Sakakawea in 1953.&nbsp; Your point of it being pre-dam is correct in that there is a very good chance the dam would have lessened the problem. The gage at Williston recorded 170,000 cfs and there was another 40,000 cfs coming from the Little Missouri.&nbsp; Nonetheless, an icejam can store significant water that can cut loose pretty quickly under the right circumstances.&nbsp; The icejam of 2009 was a real eye-opener for many people as it stored a pretty good amount of water up above Bismarck from about Double Ditch and north.&nbsp; There's plenty of flood risk due to ice in years where we go into March with ice cover on the river from roughly the Knife River confluence on down through the Bismarck area.&nbsp; A sure recipe for ice problems is a sudden warm spell where we see runoff on the small tributaries (Knife, Painted Woods, Square Butte Cr, Heart R., etc) all rise and try to dump their ice into an already ice-covered Missouri.</p></blockquote><p></p>

[QUOTE="Allen, post: 420918, member: 389"] Yes, by one year. They started filling Sakakawea in 1953. Your point of it being pre-dam is correct in that there is a very good chance the dam would have lessened the problem. The gage at Williston recorded 170,000 cfs and there was another 40,000 cfs coming from the Little Missouri. Nonetheless, an icejam can store significant water that can cut loose pretty quickly under the right circumstances. The icejam of 2009 was a real eye-opener for many people as it stored a pretty good amount of water up above Bismarck from about Double Ditch and north. There's plenty of flood risk due to ice in years where we go into March with ice cover on the river from roughly the Knife River confluence on down through the Bismarck area. A sure recipe for ice problems is a sudden warm spell where we see runoff on the small tributaries (Knife, Painted Woods, Square Butte Cr, Heart R., etc) all rise and try to dump their ice into an already ice-covered Missouri. [/QUOTE]

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