North Twin Lakes Dam
Key Takeaway
North Twin Lakes Dam is classified as high hazard in Missouri. It was completed in 1970 and is 56 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 | 27 ft (taller than 49% in MO) |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 70 sq mi |
| Year Completed | 1970 (56 years old) |
| NID ID | MO31216 |
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
TWIN LKS HOMEOWNERS ASSN
Private
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What is the hazard classification of North Twin Lakes Dam?
North Twin Lakes 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 North Twin Lakes Dam?
North Twin Lakes Dam is owned by TWIN LKS HOMEOWNERS ASSN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Twin Lakes Dam built?
North Twin Lakes Dam was completed in 1970, making it 56 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 North Twin Lakes Dam?
North Twin Lakes 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 North Twin Lakes Dam?
North Twin Lakes Dam has a dam height of 27 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 North Twin Lakes Dam last inspected?
North Twin Lakes Dam was last inspected on October 30, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.