Wellsville Lake Dam
Key Takeaway
Wellsville Lake Dam is classified as high hazard in Missouri. It was completed in 1964 and is 62 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 | 5 ft |
| Dam Type | Earth |
| Max Storage | 240 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 115 sq mi |
| Year Completed | 1964 (62 years old) |
| NID ID | MO10947 |
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 DEPT OF CONSERVATION
State Government
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Wellsville Lake Dam?
Wellsville 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 Wellsville Lake Dam?
Wellsville Lake Dam is owned by MO DEPT OF CONSERVATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wellsville Lake Dam built?
Wellsville Lake Dam was completed in 1964, making it 62 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 Wellsville Lake Dam?
Wellsville 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 Wellsville Lake Dam?
Wellsville Lake Dam has a dam height of 5 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 Wellsville Lake Dam last inspected?
Wellsville Lake Dam was last inspected on August 9, 1990. Inspection dates indicate when a formal review occurred, not the results of that inspection.