Tanglewood Lake Dam
Key Takeaway
Tanglewood Lake Dam is classified as high hazard in Ohio. It was completed in 1971 and is 55 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 | 37 ft (taller than 77.9% in OH) |
| Dam Length | 195 ft |
| Dam Type | Earth |
| Max Storage | 228 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 26,100 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | OH00359 |
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
Tanglewood Lake Association
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Tanglewood Lake Dam?
Tanglewood Lake 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 Tanglewood Lake Dam?
Tanglewood Lake Dam is owned by Tanglewood Lake Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tanglewood Lake Dam built?
Tanglewood Lake Dam was completed in 1971, making it 55 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 Tanglewood Lake Dam?
Tanglewood 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 Tanglewood Lake Dam?
Tanglewood Lake 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 Tanglewood Lake Dam last inspected?
Tanglewood Lake Dam was last inspected on June 20, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.