Republic Dam
Key Takeaway
Republic Dam is classified as significant hazard in Michigan. It was completed in 1913 and is 113 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 77.5% in MI) |
| Dam Length | 400 ft |
| Dam Type | Gravity |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 850 acre-ft |
| Surface Area | 145 acres |
| Drainage Area | 240 sq mi |
| Max Discharge | 3,700 cfs |
| Year Completed | 1913 (113 years old) |
| NID ID | MI00579 |
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
Republic Mountain Lake LLC
Private
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Significant Hazard 41 ftFrequently Asked Questions
What is the hazard classification of Republic Dam?
Republic 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 Republic Dam?
Republic Dam is owned by Republic Mountain Lake LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Republic Dam built?
Republic Dam was completed in 1913, making it 113 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 Republic Dam?
Republic 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 Republic Dam?
Republic Dam has a dam height of 22 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 Republic Dam last inspected?
Republic Dam was last inspected on September 19, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.