Duncan Dam
Key Takeaway
Duncan Dam is classified as low hazard in Michigan. It was completed in 1967 and is 59 years old. Its primary use is recreation.
Physical Details
| Dam Height | 27 ft (taller than 86.3% in MI) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 472 acre-ft |
| Normal Storage | 391 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 100 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | MI00426 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Mary Koella
Private
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High Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Duncan Dam?
Duncan Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Duncan Dam?
Duncan Dam is owned by Mary Koella (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Duncan Dam built?
Duncan Dam was completed in 1967, making it 59 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 Duncan Dam?
Duncan Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Duncan Dam?
Duncan Dam has a dam height of 27 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 Duncan Dam last inspected?
Duncan Dam was last inspected on May 11, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.