Manito Dam
Key Takeaway
Manito Dam is classified as high hazard in Missouri. It was completed in 1984 and is 42 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 | 43 ft (taller than 91.5% in MO) |
| Dam Length | 2,200 ft |
| Dam Type | Earth |
| Max Storage | 918 acre-ft |
| Normal Storage | 918 acre-ft |
| Surface Area | 77 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 4,670 cfs |
| Year Completed | 1984 (42 years old) |
| Year Modified | 1983 |
| NID ID | MO31853 |
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
MO DEPT OF CONSERVATION
State Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Manito Dam?
Manito 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 Manito Dam?
Manito Dam is owned by MO DEPT OF CONSERVATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Manito Dam built?
Manito Dam was completed in 1984, making it 42 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 Manito Dam?
Manito 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 Manito Dam?
Manito Dam has a dam height of 43 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 Manito Dam last inspected?
Manito Dam was last inspected on November 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.