Smallwood Dam
Key Takeaway
Smallwood Dam is classified as high hazard in Michigan. It was completed in 1925 and is 101 years old. Its primary use is recreation. 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 | 36 ft (taller than 93.3% in MI) |
| Dam Length | 612 ft |
| Dam Type | Earth |
| Max Storage | 9.0K acre-ft |
| Normal Storage | 6.5K acre-ft |
| Surface Area | 402 acres |
| Drainage Area | 342 sq mi |
| Max Discharge | 10,000 cfs |
| Year Completed | 1925 (101 years old) |
| NID ID | MI00548 |
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
Local Government
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Smallwood Dam?
Smallwood Dam 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 Smallwood Dam?
Smallwood Dam is owned by information not available (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Smallwood Dam built?
Smallwood Dam was completed in 1925, making it 101 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 Smallwood Dam?
Smallwood 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 Smallwood Dam?
Smallwood Dam has a dam height of 36 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 Smallwood Dam last inspected?
Smallwood Dam was last inspected on November 12, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.