Vivian Dam
Key Takeaway
Vivian Dam is classified as significant hazard in South Dakota. It was completed in 1938 and is 88 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 690 ft |
| Dam Type | Earth |
| Max Storage | 190 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,000 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | SD02173 |
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
S&PL
State Government
Nearby Dams
Smith Dam
Lyman, SD
Low Hazard 20 ftBooth
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Low Hazard 23 ftHendricks Number 3
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Low Hazard 23 ftHendricks Number 1
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Low Hazard 22 ftNielsen Number 1
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Low Hazard 26 ftBooth Dam
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Low Hazard 15 ftBower (Nid)
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Vivian Dam?
Vivian 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 Vivian Dam?
Vivian Dam is owned by S&PL (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Vivian Dam built?
Vivian Dam was completed in 1938, making it 88 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 Vivian Dam?
Vivian Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Vivian Dam?
Vivian Dam has a dam height of 21 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 Vivian Dam last inspected?
Vivian Dam was last inspected on June 27, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.