Cinnamon Lake Dam
Key Takeaway
Cinnamon Lake Dam is classified as high hazard in Ohio. It was completed in 1970 and is 56 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 | 45 ft (taller than 88% in OH) |
| Dam Length | 3,075 ft |
| Dam Type | Earth |
| Max Storage | 3.6K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 161 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 9,878 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OH00095 |
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
Cinnamon Lake Association, Inc.
Private
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What is the hazard classification of Cinnamon Lake Dam?
Cinnamon 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 Cinnamon Lake Dam?
Cinnamon Lake Dam is owned by Cinnamon Lake Association, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cinnamon Lake Dam built?
Cinnamon Lake Dam was completed in 1970, making it 56 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 Cinnamon Lake Dam?
Cinnamon 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 Cinnamon Lake Dam?
Cinnamon Lake Dam has a dam height of 45 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 Cinnamon Lake Dam last inspected?
Cinnamon Lake Dam was last inspected on October 23, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.