Thompson Dam
Key Takeaway
Thompson Dam is classified as low hazard in Michigan. It was completed in 1940 and is 86 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 32.7% in MI) |
| Dam Length | 210 ft |
| Dam Type | Earth |
| Max Storage | 70 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 80 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | MI00301 |
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
Fox Hollow Holdings LLC
Private
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Significant Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Thompson Dam?
Thompson 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 Thompson Dam?
Thompson Dam is owned by Fox Hollow Holdings LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thompson Dam built?
Thompson Dam was completed in 1940, making it 86 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 Thompson Dam?
Thompson 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 Thompson Dam?
Thompson Dam has a dam height of 12 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 Thompson Dam last inspected?
Thompson Dam was last inspected on July 8, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.