Cloud Peak
Key Takeaway
Cloud Peak is classified as high hazard in Wyoming. It was completed in 1958 and is 68 years old. Its primary use is irrigation. 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 | 36 ft (taller than 81.6% in WY) |
| Dam Length | 588 ft |
| Dam Type | Earth |
| Max Storage | 4.6K acre-ft |
| Normal Storage | 3.6K acre-ft |
| Surface Area | 174 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 605 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | WY00463 |
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
ROCK CREEK AND PINEY RES. & DITCH CO.
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Cloud Peak?
Cloud Peak 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 Cloud Peak?
Cloud Peak is owned by ROCK CREEK AND PINEY RES. & DITCH CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cloud Peak built?
Cloud Peak was completed in 1958, making it 68 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 Cloud Peak?
Cloud Peak serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cloud Peak?
Cloud Peak has a dam height of 36 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 Cloud Peak last inspected?
Cloud Peak was last inspected on August 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.