Full Moon

REYNOLDS DRAW· Campbell, Wyoming· Built 1945· Earth· 20 ft tall

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 Length653 ft
Dam TypeEarth
Max Storage155 acre-ft
Normal Storage59 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Max Discharge1,782 cfs
Year Completed1945 (81 years old)
Year Modified2006
NID IDWY02416

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: April 26, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

JOHN WILBUR & WANDA LEE GROVES REVOCABLE TRUST

Private

Nearby Dams

Frequently 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.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.