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  • January

    Dillon Lake

    Dillon Dam was completed in July 1961 and serves a drainage area of 748 square miles. The lake is impounded by a rolled earthfill impervious core dam, 118 ft. tall and 1,400 ft. long with an uncontrolled, partial concrete lined spillway near the left abutment of the dam. Primary project purposes are flood risk reduction, low flow augmentation and recreation.