Lake Tishomingo Dam
Key Takeaway
Lake Tishomingo Dam is classified as high hazard in Missouri. It was completed in 1950 and is 76 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 | 68 ft (taller than 98.2% in MO) |
| Dam Length | 870 ft |
| Dam Type | Earth |
| Max Storage | 3.1K acre-ft |
| Normal Storage | 2.4K acre-ft |
| Surface Area | 120 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 3,672 cfs |
| Year Completed | 1950 (76 years old) |
| Year Modified | 1998 |
| NID ID | MO30039 |
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 TISHOMINGO POA
Private
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High Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Lake Tishomingo Dam?
Lake Tishomingo 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 Tishomingo Dam?
Lake Tishomingo Dam is owned by LAKE TISHOMINGO POA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Tishomingo Dam built?
Lake Tishomingo Dam was completed in 1950, making it 76 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 Tishomingo Dam?
Lake Tishomingo 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 Tishomingo Dam?
Lake Tishomingo Dam has a dam height of 68 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 Tishomingo Dam last inspected?
Lake Tishomingo Dam was last inspected on May 27, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.