Vandalia Lake Dam
Key Takeaway
Vandalia Lake Dam is classified as significant hazard in Missouri. It was completed in 1960 and is 66 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 45 ft (taller than 92.6% in MO) |
| Dam Length | 320 ft |
| Dam Type | Arch |
| Max Storage | 789 acre-ft |
| Normal Storage | 431 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 8,239 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | MO10540 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF VANDALIA
Local Government
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High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Vandalia Lake Dam?
Vandalia Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Vandalia Lake Dam?
Vandalia Lake Dam is owned by CITY OF VANDALIA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Vandalia Lake Dam built?
Vandalia 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 Vandalia Lake Dam?
Vandalia Lake Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Vandalia Lake Dam?
Vandalia Lake Dam has a dam height of 45 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 Vandalia Lake Dam last inspected?
Vandalia Lake Dam was last inspected on February 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.