Ollo Lake Dam
Key Takeaway
Ollo Lake Dam is classified as high hazard in Indiana. It was completed in 1994 and is 32 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 | 44 ft (taller than 90.1% in IN) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 7 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 365 cfs |
| Year Completed | 1994 (32 years old) |
| NID ID | IN03945 |
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
OPDYKE INCORPORATED
Private
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Ollo Lake Dam?
Ollo 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 Ollo Lake Dam?
Ollo Lake Dam is owned by OPDYKE INCORPORATED (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ollo Lake Dam built?
Ollo Lake Dam was completed in 1994, making it 32 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 Ollo Lake Dam?
Ollo Lake Dam serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ollo Lake Dam?
Ollo Lake Dam has a dam height of 44 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 Ollo Lake Dam last inspected?
Ollo Lake Dam was last inspected on October 26, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.