US Army Corps of Engineers
St. Paul District Website

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  • April

    Lac qui Parle Dam Emergency Spillway; Watson, Minnesota

    The Lac qui Parle dike and emergency spillway is designed to retain the Lac qui Parle Reservoir during times of flood but is designed for over topping during extreme events. The overtop elevation of the spillway is 940.75 feet. The Lac qui Parle Dam is located on the upper Minnesota River 30 miles east of the South Dakota border. The dam is about 7 river miles upstream of Montevideo, Minnesota. The dike and emergency spillway is adjacent to and west of the dam between the dam and County Hwy 75. The damaged area of the spillway extends approximately 2,500 feet from the dam.
  • September

    Lac qui Parle Dam

    Lac qui Parle Dam is located on the upper Minnesota River on the South Dakota border. The dam is about 7 river miles upstream of Montevideo and 300 river miles upstream of Minneapolis. This equipment refurbishment is intended to replace nine sluice gates and operating equipment. Dewatering the upstream/downstream sides of the concrete control structure is required to facilitate the gate replacement.