Long'S Retreat Lake Dam
Key Takeaway
Long'S Retreat 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 | 28 ft (taller than 54.7% in OH) |
| Dam Length | 218 ft |
| Dam Type | Earth |
| Max Storage | 309 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 7,510 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OH00198 |
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
Eric Long
Private
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Significant Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Long'S Retreat Lake Dam?
Long'S Retreat 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 Long'S Retreat Lake Dam?
Long'S Retreat Lake Dam is owned by Eric Long (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long'S Retreat Lake Dam built?
Long'S Retreat 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 Long'S Retreat Lake Dam?
Long'S Retreat 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 Long'S Retreat Lake Dam?
Long'S Retreat Lake Dam has a dam height of 28 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 Long'S Retreat Lake Dam last inspected?
Long'S Retreat Lake Dam was last inspected on November 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.