Harper Lake Dam
Key Takeaway
Harper Lake Dam is classified as high hazard in Missouri. It was completed in 1978 and is 48 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 | 37 ft (taller than 87.2% in MO) |
| Dam Length | 525 ft |
| Dam Type | Earth |
| Max Storage | 83 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,333 cfs |
| Year Completed | 1978 (48 years old) |
| NID ID | MO31866 |
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
GOOSE CREEK BRD OF TRUST
Private
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High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Harper Lake Dam?
Harper 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 Harper Lake Dam?
Harper Lake Dam is owned by GOOSE CREEK BRD OF TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harper Lake Dam built?
Harper Lake Dam was completed in 1978, making it 48 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 Harper Lake Dam?
Harper Lake 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 Harper Lake Dam?
Harper Lake Dam has a dam height of 37 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 Harper Lake Dam last inspected?
Harper Lake Dam was last inspected on June 16, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.