Hoist
Key Takeaway
Hoist is classified as high hazard in Michigan. It was completed in 1941 and is 85 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 63 ft (taller than 98% in MI) |
| Dam Length | 3,642 ft |
| Dam Type | Gravity |
| Max Storage | 41.7K acre-ft |
| Normal Storage | 31.6K acre-ft |
| Surface Area | 2,429 acres |
| Drainage Area | 138 sq mi |
| Max Discharge | 21,970 cfs |
| Year Completed | 1941 (85 years old) |
| NID ID | MI00175 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Not Listed
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What is the hazard classification of Hoist?
Hoist is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hoist?
Hoist is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hoist built?
Hoist was completed in 1941, making it 85 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Hoist?
Hoist serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hoist?
Hoist has a dam height of 63 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Hoist last inspected?
Hoist was last inspected on September 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.