Viva Naughton
Key Takeaway
Viva Naughton is classified as high hazard in Wyoming. It was completed in 1967 and is 59 years old. Its primary use is water supply. 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 | 90 ft (taller than 97.9% in WY) |
| Dam Length | 3,200 ft |
| Dam Type | Earth |
| Normal Storage | 42.2K acre-ft |
| Surface Area | 1,460 acres |
| Drainage Area | 235 sq mi |
| Max Discharge | 12,000 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | WY01281 |
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
PacifiCorp
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Viva Naughton?
Viva Naughton 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 Viva Naughton?
Viva Naughton is owned by PacifiCorp (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Viva Naughton built?
Viva Naughton was completed in 1967, making it 59 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 Viva Naughton?
Viva Naughton serves the following purposes: Water Supply, Irrigation, Recreation, Hydroelectric, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Viva Naughton?
Viva Naughton has a dam height of 90 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 Viva Naughton last inspected?
Viva Naughton was last inspected on September 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.