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  • April

    CAP 1135 Leech Lake Dam Fish Aquatic Ecosystem Restoration

    The purpose of the project is to provide hydraulic connectivity for aquatic organisms to pass from the Leech River upstream to Leech Lake.

  • Leech Lake Dam Preliminary Engineering Report (PER)

    Leech Lake Dam was originally constructed in the early 1880s under the Rivers and Harbors Act as a timber spillway with an earth and timber embankment. Over the history of the dam, the spillway was reconstructed with concrete piers and the downstream apron was replaced with concrete. The cofferdam breached during construction of the concrete aprons in 1957, resulting in loss of fourteen spillway bays which were replaced with earth embankment. Since then, the major components of the dam have remained relatively the same.