Hardwood Dam
Key Takeaway
Hardwood Dam is classified as significant hazard in Michigan. It was completed in 1977 and is 49 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 37 ft (taller than 93.7% in MI) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 19.5K acre-ft |
| Normal Storage | 7.2K acre-ft |
| Surface Area | 283 acres |
| Drainage Area | 90 sq mi |
| Max Discharge | 7,321 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | MI00716 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Dickinson Co Board of Commissioners
Local Government
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Hardwood Dam?
Hardwood Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hardwood Dam?
Hardwood Dam is owned by Dickinson Co Board of Commissioners (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hardwood Dam built?
Hardwood Dam was completed in 1977, making it 49 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 Hardwood Dam?
Hardwood Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hardwood Dam?
Hardwood Dam has a dam height of 37 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 Hardwood Dam last inspected?
Hardwood Dam was last inspected on October 11, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.