Pana Lake Dam
Key Takeaway
Pana Lake Dam is classified as high hazard in Illinois. It was completed in 1920 and is 106 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 | 53 ft (taller than 93% in IL) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 6.0K acre-ft |
| Normal Storage | 3.3K acre-ft |
| Surface Area | 241 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 16,650 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | IL00142 |
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
CITY OF PANA
Local Government
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Significant Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Pana Lake Dam?
Pana 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 Pana Lake Dam?
Pana Lake Dam is owned by CITY OF PANA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pana Lake Dam built?
Pana Lake Dam was completed in 1920, making it 106 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 Pana Lake Dam?
Pana Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pana Lake Dam?
Pana Lake Dam has a dam height of 53 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 Pana Lake Dam last inspected?
Pana Lake Dam was last inspected on December 6, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.