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  • April

    Sandy Lake Dam Rehabilitation Project, Aitkin County, Minnesota

    Over its history, Sandy Lake Dam has undergone a series of modifications, repairs and periodic inspections. From 2011 to 2016, a series of above and below water inspections identified several features that had deteriorated to a point that repair or replacement were necessary to maintain the long-term stability of the structure. Sandy Lake Dam is located on the Sandy River in Aitkin County, Minnesota, 1.25 miles upstream of the junction between the Sandy River and Mississippi River.

  • 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.

  • Mississippi River: Lock and Dam 4 Winter Maintenance, Alma, Wisconsin

    Purpose of this project is to assure proper periodic maintenance and subsequent operation of the Lock and Dam 4 system. Lock and Dam 4 is located in Alma, Wisconsin. The U.S. Army Corps of Engineers completed the facility in 1935 as part of the overall 9-foot channel navigation project, and it began operation in the same year.

  • September

    National Loon Center Facility, Public Docks and Shoreline Protection Project, Crosslake, MN: Review Outgrant Request (REC, ENS)

    The National Loon Center Foundation, a 501(c)(3) tax-exempt non-profit organization, is proposing a National Loon Center Facility, Public Docks and Shoreline Protection Project on U.S. Army Corps of Engineers land at the Cross Lake Recreation Area. Also proposed is the development of shoreline protection zones with plantings and a boardwalk. The National Loon Center Foundation has presented a Land Use Application requesting a lease of the day use area at the Cross Lake Recreation Area. The St. Paul District is in the process of evaluating the application in accordance with the governing instructions to make an objective determination of how this proposed project fits in the master plan and affects the Corps’ flood risk management, recreation, and environmental stewardship mission and current users of the project.

  • Project Alteration Reviews: Section 408

    Section 14 of the Rivers and Harbors Act of 1899 authorizes the Secretary of the Army to grant permission for alterations to existing U.S. Army Corps of Engineers projects under certain circumstances. Authority to approve alterations has been delegated to the District Commander in most cases, although certain alterations require approval from the Director of Civil Works at the Corps’ headquarters. Section 408 provisions apply to works that were built by the Corps and are locally maintained, such as local flood control projects. They also apply to works that are operated and maintained by the Corps, such as locks and dams. Proposals submitted for Section 408 review and approval undergo a rigorous engineering, policy and environmental review by the Corps and, if required, independent external peer review.