Lake Le-Ann North Dam
Key Takeaway
Lake Le-Ann North Dam is classified as significant hazard in Michigan. It was completed in 1961 and is 65 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 86.3% in MI) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 800 acre-ft |
| Surface Area | 200 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 174 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | MI00080 |
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
Hillsdale County Drain Commissioner
Private
Nearby Dams
Mirror Lake Dam
Jackson, MI
Significant Hazard 21 ftLake Le-Ann South Dam
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Low Hazard 10 ftLiberty Dam
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Significant Hazard 11 ftLombard Lake Dam
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Low Hazard 8 ftFarwell & Pinehill Level Control Dam
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Significant Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Lake Le-Ann North Dam?
Lake Le-Ann North 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 Lake Le-Ann North Dam?
Lake Le-Ann North Dam is owned by Hillsdale County Drain Commissioner (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Le-Ann North Dam built?
Lake Le-Ann North Dam was completed in 1961, making it 65 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 Le-Ann North Dam?
Lake Le-Ann North Dam serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Le-Ann North Dam?
Lake Le-Ann North Dam has a dam height of 27 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 Le-Ann North Dam last inspected?
Lake Le-Ann North Dam was last inspected on October 2, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.