Lloyd Hahn Lake Dam
Key Takeaway
Lloyd Hahn Lake Dam is classified as high hazard in Indiana. It was completed in 1959 and is 67 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 | 31 ft (taller than 66.4% in IN) |
| Dam Length | 575 ft |
| Dam Type | Earth |
| Max Storage | 220 acre-ft |
| Normal Storage | 153 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 260 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | IN00465 |
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
HAHN LAKE LLC
Private
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What is the hazard classification of Lloyd Hahn Lake Dam?
Lloyd Hahn 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 Lloyd Hahn Lake Dam?
Lloyd Hahn Lake Dam is owned by HAHN LAKE LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lloyd Hahn Lake Dam built?
Lloyd Hahn Lake Dam was completed in 1959, making it 67 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 Lloyd Hahn Lake Dam?
Lloyd Hahn 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 Lloyd Hahn Lake Dam?
Lloyd Hahn Lake Dam has a dam height of 31 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 Lloyd Hahn Lake Dam last inspected?
Lloyd Hahn Lake Dam was last inspected on December 11, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.