Lake Henry Dam
Key Takeaway
Lake Henry Dam is classified as significant hazard in Ohio. It was completed in 1969 and is 57 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 37 ft (taller than 77.9% in OH) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 560 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 35 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | OH01066 |
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
Mingo Sportsman Club
Private
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Significant Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Lake Henry Dam?
Lake Henry 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 Henry Dam?
Lake Henry Dam is owned by Mingo Sportsman Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Henry Dam built?
Lake Henry Dam 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 Henry Dam?
Lake Henry 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 Henry Dam?
Lake Henry Dam has a dam height of 37 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 Henry Dam last inspected?
Lake Henry Dam was last inspected on May 16, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.