O'Brien Lake Dam
Key Takeaway
O'Brien Lake Dam is classified as significant hazard in Ohio. It was completed in 1968 and is 58 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 24 ft (taller than 39.8% in OH) |
| Dam Length | 525 ft |
| Dam Type | Earth |
| Max Storage | 168 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 190 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | OH00398 |
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
Patrick & Sandra O'Brien
Private
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Significant Hazard 17 ftFrequently Asked Questions
What is the hazard classification of O'Brien Lake Dam?
O'Brien 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 O'Brien Lake Dam?
O'Brien Lake Dam is owned by Patrick & Sandra O'Brien (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was O'Brien Lake Dam built?
O'Brien Lake Dam was completed in 1968, making it 58 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 O'Brien Lake Dam?
O'Brien 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 O'Brien Lake Dam?
O'Brien Lake Dam has a dam height of 24 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 O'Brien Lake Dam last inspected?
O'Brien Lake Dam was last inspected on October 26, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.