Lake Margaret Dam
Key Takeaway
Lake Margaret Dam is classified as significant hazard in Ohio. It was completed in 1953 and is 73 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 73.7% in OH) |
| Dam Length | 287 ft |
| Dam Type | Earth |
| Max Storage | 169 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 6,200 cfs |
| Year Completed | 1953 (73 years old) |
| NID ID | OH00289 |
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
Lake Mary Margaret, Inc.
Private
Nearby Dams
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High Hazard 35 ftElks Country Club Lake Dam
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High Hazard 37 ftHammond Lake Dam
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Low Hazard 28 ftLake Emma Dam
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Lake Margaret Dam?
Lake Margaret 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 Margaret Dam?
Lake Margaret Dam is owned by Lake Mary Margaret, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Margaret Dam built?
Lake Margaret Dam was completed in 1953, making it 73 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 Margaret Dam?
Lake Margaret 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 Lake Margaret Dam?
Lake Margaret Dam has a dam height of 35 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 Margaret Dam last inspected?
Lake Margaret Dam was last inspected on November 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.