Lake Sally Dam
Key Takeaway
Lake Sally Dam is classified as high hazard in Michigan. It was completed in 1914 and is 112 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 50.6% in MI) |
| Dam Length | 100 ft |
| Dam Type | Gravity |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 860 acre-ft |
| Surface Area | 136 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 159 cfs |
| Year Completed | 1914 (112 years old) |
| NID ID | MI00468 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Cleveland Cliffs Iron Company
Private
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Low Hazard 90 ftFrequently Asked Questions
What is the hazard classification of Lake Sally Dam?
Lake Sally Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Sally Dam?
Lake Sally Dam is owned by Cleveland Cliffs Iron Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Sally Dam built?
Lake Sally Dam was completed in 1914, making it 112 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 Sally Dam?
Lake Sally Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Sally Dam?
Lake Sally Dam has a dam height of 15 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 Sally Dam last inspected?
Lake Sally Dam was last inspected on August 1, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.