Green Oak Lake Dam
Key Takeaway
Green Oak Lake Dam is classified as low hazard in Michigan. It was completed in 1960 and is 66 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 70.3% in MI) |
| Dam Length | 425 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 625 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | MI00736 |
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
Loch Alpine Improvement
Private
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What is the hazard classification of Green Oak Lake Dam?
Green Oak Lake 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 Green Oak Lake Dam?
Green Oak Lake Dam is owned by Loch Alpine Improvement (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Green Oak Lake Dam built?
Green Oak Lake Dam was completed in 1960, making it 66 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 Green Oak Lake Dam?
Green Oak Lake 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 Green Oak Lake Dam?
Green Oak Lake Dam has a dam height of 20 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 Green Oak Lake Dam last inspected?
Green Oak Lake Dam was last inspected on November 10, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.