Harmon Lake Dam
Key Takeaway
Harmon Lake Dam is classified as high hazard in Missouri. It was completed in 1960 and is 66 years old. Its primary use is irrigation. 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 | 29 ft (taller than 59.6% in MO) |
| Dam Type | Earth |
| Max Storage | 171 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 220 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | MO20132 |
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
ROBERT HARMON
Private
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High Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Harmon Lake Dam?
Harmon 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 Harmon Lake Dam?
Harmon Lake Dam is owned by ROBERT HARMON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harmon Lake Dam built?
Harmon Lake Dam was completed in 1960, making it 66 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 Harmon Lake Dam?
Harmon Lake Dam serves the following purposes: Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harmon Lake Dam?
Harmon Lake Dam has a dam height of 29 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.