DISCIPLINES INVOLVED

MINOT, ND

mouse river enhanced flood protection project
OAK PARK DEADLOOPS

As part of the Minot flood risk reduction project that was constructed in the 1970’s, portions of the Mouse River were straightened and other portions of the channel were separated from the river creating cutoff channels or “oxbow lakes” known locally as “dead loops.”  The design intention was to pass river flow through these cutoff channels during ordinary flood flows and only close the gates separating the cutoffs from the main channel during flood events.  As a practical matter, the gates remained closed most of the time isolating the cutoffs from the river.  The cutoffs became stagnant collecting sediment and trash.  Algae blooms and duck weed infestations became common during summer months. 

As part of the environmental mitigation necessary for the Mouse River Enhanced Flood Protection Plan construction, the Oak Park and Nubbin Park “dead loops” will be restored and reconnected to the main stem of the Mouse River.  Construction plans are being developed and will include:

  1. Dredging accumulated sediment and trash removal

  2. Removal of gate wells

  3. Installation of trail and access bridges

  4. Construction of remedial measures to improve safety of the existing low head dams

At completion of the project, a Mouse River flow will pass exclusively through the cutoff meanders 30% of the time adding a total of 1.8 miles to the river thread.  At higher flows, the river flow will be split between flowing through the cutoff and over the existing low flow weirs.  During flood events, this portion of the Mouse River will be protected by the Maple Diversion Channel. 

An added bonus is that this required remediation will create a recreational amenity providing canoeing and kayaking opportunities along the river where previously only garbage, scum and bugs were present.

GET IN TOUCH:

Minot, North Dakota

1907 17th St SE

Minot, ND 58701

701.837.8737

Williston, North Dakota

3210 27th St W

Suite 200

Williston, ND 58801

701.577.4127

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Boise, Idaho

7661 West Riverside Dr

Suite 102

Garden City, ID 83714

208.853.6470

Ackerman Surveying

Minot, ND

701.838.0786

Williston, ND

701.577.4127

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