Projects & Studies
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Flood Risk Management Continuing Authority, Red River of the North: Wahpeton, N.D.
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Integrated Watershed Study: Minnesota River Basin in Minnesota, South Dakota, North Dakota and Iowa
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Lower St. Anthony Falls Rapids Restoration, Mississippi River, Minneapolis, Minn.
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Mississippi Headwaters Reservoirs Project Sites
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Mississippi Place, Mississippi River, St. Paul, Minn.
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Mississippi River Recreation and Environmental Stewardship, Eau Galle Dam
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Reconnaissance Study: Minnesota River Basin in MN, SD, IA and ND
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Recreational Boating Study of the Mississippi River, Pools 4 to 9, Summer 2003
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River Resource Values and Expectation
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Western Flood Control Sites - Minnesota: Lake Traverse, Orwell Lake, Hwy 75 - Bigstone, Lac qui Parle
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Western Flood Control Sites – North Dakota: Lake Ashtabula, Homme Lake Souris River
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Integrated Watershed Study: Minnesota River Basin in Minnesota, South Dakota, North Dakota and Iowa
Location/Description
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The Minnesota River originates in southwestern Minnesota at the Minnesota-South Dakota border. The river drains 16,770 square miles in Minnesota, South Dakota, North Dakota and Iowa. It flows 335 miles to join the Mississippi River at Minneapolis, Minnesota. Since European settlement, native prairie has been replaced by agriculture and urban development with constructed drainage systems; more than 90 percent of the wetlands that existed prior to European settlement have been drained. The hydrology of the basin has been significantly altered, leading to increased erosion and impaired water quality. The Minnesota River carries substantial sediment and nutrient loads that degrade the aquatic ecosystems in the Minnesota and Mississippi Rivers. A navigation channel in the lower 15 miles of the river passes through the Minnesota Valley National Wildlife Refuge.
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The integrated watershed study will produce a watershed management plan and decision support system to aid water and land managers in the Minnesota River basin. These tools will enable examination of existing conditions, forecasting of future conditions and simulation of alternatives to identify ecologically sustaining and economically and socially desirable management actions. The system will address watershed, water quality and ecosystem restoration needs at the small and major watershed scales.
Developing the plan will involve collecting information throughout the basin, working with partners interested in the river, completing detailed modeling efforts and developing a plan based on the needs of the people living and working in the Minnesota River basin. The project will integrate the efforts of local, State and Federal agencies as well as nongovernmental organizations active in the Minnesota River basin.
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Status
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The Corps and the Minnesota Environmental Quality Board entered into a feasibility cost share agreement for the study on September 29, 2008.
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Authority
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The study is authorized by a resolution of the Committee on Public Works of the U.S. House of Representatives, May 10, 1962, to determine the advisability of further improvements in the Minnesota River basin for navigation, flood control, recreation, low-flow augmentation, and other related water and land resources.
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Fiscal
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Estimated Federal cost $4,205,000
Estimated non-Federal cost $4,205,000
Total estimated cost $8,410,000
FY 2008 Federal appropriation $33,000
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[Printable Copy]
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