Osage Lake Dam
Key Takeaway
Osage Lake Dam is classified as significant hazard in Ohio. It was completed in 1955 and is 71 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 54.7% in OH) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 146 acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,124 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | OH00617 |
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
Osage Lake Owners Association
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Osage Lake Dam?
Osage Lake 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 Osage Lake Dam?
Osage Lake Dam is owned by Osage Lake Owners Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Osage Lake Dam built?
Osage Lake Dam was completed in 1955, making it 71 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 Osage Lake Dam?
Osage 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 Osage Lake Dam?
Osage 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 Osage Lake Dam last inspected?
Osage Lake Dam was last inspected on June 24, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.