Full Moon
Key Takeaway
Full Moon is classified as low hazard in Wyoming. It was completed in 1945 and is 81 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 21.5% in WY) |
| Dam Length | 653 ft |
| Dam Type | Earth |
| Max Storage | 155 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,782 cfs |
| Year Completed | 1945 (81 years old) |
| Year Modified | 2006 |
| NID ID | WY02416 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
JOHN WILBUR & WANDA LEE GROVES REVOCABLE TRUST
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Full Moon?
Full Moon is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Full Moon?
Full Moon is owned by JOHN WILBUR & WANDA LEE GROVES REVOCABLE TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Full Moon built?
Full Moon was completed in 1945, making it 81 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 Full Moon?
Full Moon serves the following purposes: Irrigation, 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 Full Moon?
Full Moon has a dam height of 20 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 Full Moon last inspected?
Full Moon was last inspected on April 26, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.