Loch Leonard Dam
Key Takeaway
Loch Leonard Dam is classified as high hazard in Missouri. It was completed in 1909 and is 117 years old. Its primary use is other. 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 | 19 ft (taller than 6.3% in MO) |
| Dam Type | Earth |
| Max Storage | 285 acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 108 sq mi |
| Year Completed | 1909 (117 years old) |
| NID ID | MO20309 |
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 PUBLIC SERVICE COMPNY
Private
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High Hazard 63 ftFrequently Asked Questions
What is the hazard classification of Loch Leonard Dam?
Loch Leonard 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 Loch Leonard Dam?
Loch Leonard Dam is owned by MO PUBLIC SERVICE COMPNY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Loch Leonard Dam built?
Loch Leonard 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 Loch Leonard Dam?
Loch Leonard Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Loch Leonard Dam?
Loch Leonard Dam has a dam height of 19 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 Loch Leonard Dam last inspected?
Loch Leonard Dam was last inspected on June 21, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.