Cheboygan
Key Takeaway
Cheboygan is classified as high hazard in Michigan. It was completed in 1922 and is 104 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 | 21 ft (taller than 74.1% in MI) |
| Dam Length | 580 ft |
| Dam Type | Timber Crib |
| Max Storage | 83.0K acre-ft |
| Normal Storage | 82.9K acre-ft |
| Surface Area | 17,801 acres |
| Drainage Area | 1,515 sq mi |
| Max Discharge | 7,640 cfs |
| Year Completed | 1922 (104 years old) |
| NID ID | MI00520 |
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
Michigan Department of Natural Resources
Private
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Significant Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Cheboygan?
Cheboygan 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 Cheboygan?
Cheboygan is owned by Michigan Department of Natural Resources (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cheboygan built?
Cheboygan was completed in 1922, making it 104 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 Cheboygan?
Cheboygan serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cheboygan?
Cheboygan has a dam height of 21 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 Cheboygan last inspected?
Cheboygan was last inspected on September 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.