Mott Dam
Key Takeaway
Mott Dam is classified as significant hazard in Michigan. It was completed in 1971 and is 55 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 | 1,772 ft |
| Dam Type | Earth |
| Max Storage | 6.9K acre-ft |
| Normal Storage | 5.2K acre-ft |
| Surface Area | 684 acres |
| Drainage Area | 603 sq mi |
| Max Discharge | 80,800 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | MI00469 |
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
Genesee County Parks & Rec. Comm
Local Government
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Mott Dam?
Mott 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 Mott Dam?
Mott Dam is owned by Genesee County Parks & Rec. Comm (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mott Dam built?
Mott Dam was completed in 1971, making it 55 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 Mott Dam?
Mott 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 Mott Dam?
Mott 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 Mott Dam last inspected?
Mott Dam was last inspected on October 1, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.