Multipurpose Site No 53

About Multipurpose Site No 53

The primary purpose of Multipurpose Site No 53 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Mill Creek Wjd No 85 (local government). It impounds the Mill Creek-tr near Alma.

The dam stands 63 feet tall and stretches 2,500 feet across, creates a reservoir covering 54 acres, has a maximum storage capacity of 2,200 acre-feet, and collects water from a drainage area of 3 square miles.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/22/2019.

At 63 feet, this dam is taller than 96% of all dams in the United States.

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