Key Harbour Estate Dam #1
Key Takeaway
Key Harbour Estate Dam #1 is classified as high hazard in Missouri. It was completed in 1992 and is 34 years old. Its primary use is flood risk reduction. 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 | 44 ft (taller than 92% in MO) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 15 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 143 cfs |
| Year Completed | 1992 (34 years old) |
| Year Modified | 1991 |
| NID ID | MO31946 |
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
KEY HARBOUR ESTATES ASSO
Private
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What is the hazard classification of Key Harbour Estate Dam #1?
Key Harbour Estate Dam #1 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 Key Harbour Estate Dam #1?
Key Harbour Estate Dam #1 is owned by KEY HARBOUR ESTATES ASSO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Key Harbour Estate Dam #1 built?
Key Harbour Estate Dam #1 was completed in 1992, making it 34 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 Key Harbour Estate Dam #1?
Key Harbour Estate Dam #1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Key Harbour Estate Dam #1?
Key Harbour Estate Dam #1 has a dam height of 44 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 Key Harbour Estate Dam #1 last inspected?
Key Harbour Estate Dam #1 was last inspected on June 2, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.