Henley Lake Dam
Key Takeaway
Henley Lake Dam is classified as high hazard in Missouri. It was completed in 1909 and is 117 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 | 28 ft (taller than 54.3% in MO) |
| Dam Type | Gravity |
| Max Storage | 105 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 200 sq mi |
| Year Completed | 1909 (117 years old) |
| NID ID | MO30322 |
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
EARL RUSSELL
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Henley Lake Dam?
Henley 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 Henley Lake Dam?
Henley Lake Dam is owned by EARL RUSSELL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henley Lake Dam built?
Henley Lake Dam was completed in 1909, making it 117 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 Henley Lake Dam?
Henley 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 Henley Lake Dam?
Henley 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 Henley Lake Dam last inspected?
Henley Lake Dam was last inspected on June 9, 1981. Inspection dates indicate when a formal review occurred, not the results of that inspection.