Lake Miramichi Dam (Upper)
Key Takeaway
Lake Miramichi Dam (Upper) is classified as low hazard in Michigan. It was completed in 1969 and is 57 years old. Its primary use is recreation.
Physical Details
| Dam Height | 13 ft (taller than 39.7% in MI) |
| Dam Length | 180 ft |
| Dam Type | Earth |
| Max Storage | 130 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 5,850 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | MI00447 |
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
Lake Miramichi, Inc.
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Lake Miramichi Dam (Upper)?
Lake Miramichi Dam (Upper) 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 Lake Miramichi Dam (Upper)?
Lake Miramichi Dam (Upper) is owned by Lake Miramichi, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Miramichi Dam (Upper) built?
Lake Miramichi Dam (Upper) was completed in 1969, making it 57 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 Lake Miramichi Dam (Upper)?
Lake Miramichi Dam (Upper) 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 Lake Miramichi Dam (Upper)?
Lake Miramichi Dam (Upper) has a dam height of 13 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 Lake Miramichi Dam (Upper) last inspected?
Lake Miramichi Dam (Upper) was last inspected on June 29, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.