Lake Timberline Dam
Key Takeaway
Lake Timberline Dam is classified as high hazard in Missouri. It was completed in 1963 and is 63 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 | 73 ft (taller than 98.7% in MO) |
| Dam Length | 760 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 869 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | MO30156 |
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
LAKE TIMBERLINE BOARD OF TRUST
Private
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High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Lake Timberline Dam?
Lake Timberline 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 Lake Timberline Dam?
Lake Timberline Dam is owned by LAKE TIMBERLINE BOARD OF TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Timberline Dam built?
Lake Timberline Dam was completed in 1963, making it 63 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 Lake Timberline Dam?
Lake Timberline 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 Lake Timberline Dam?
Lake Timberline Dam has a dam height of 73 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 Lake Timberline Dam last inspected?
Lake Timberline Dam was last inspected on December 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.