Lake Tomahawk Dam
Key Takeaway
Lake Tomahawk Dam is classified as high hazard in Ohio. It was completed in 1966 and is 60 years old. Its primary use is recreation. 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 | 62 ft (taller than 96.3% in OH) |
| Dam Length | 1,320 ft |
| Dam Type | Earth |
| Max Storage | 2.6K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 7,500 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | OH00315 |
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
Lake Tomahawk Property Owners Assn.
Private
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Significant Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Lake Tomahawk Dam?
Lake Tomahawk 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 Tomahawk Dam?
Lake Tomahawk Dam is owned by Lake Tomahawk Property Owners Assn. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Tomahawk Dam built?
Lake Tomahawk Dam was completed in 1966, making it 60 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 Tomahawk Dam?
Lake Tomahawk 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 Tomahawk Dam?
Lake Tomahawk Dam has a dam height of 62 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 Tomahawk Dam last inspected?
Lake Tomahawk Dam was last inspected on June 4, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.