Full Moon
Full Moon is an earth dam located in Campbell County, Wyoming, built in 1945. It carries a Low hazard potential classification and has a fair condition assessment.
About Full Moon
The primary purpose of Full Moon is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by John Wilbur & Wanda Lee Groves Revocable Trust (private). It impounds the Reynolds Draw near County Road.
The dam stands 22 feet tall and stretches 653 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 155 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1945, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/26/2021.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | County Road |
| River/Stream | Reynolds Draw |
| Coordinates | 43.81040, -105.77560 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 20 ft |
| Dam Length | 653 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,782 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JOHN WILBUR & WANDA LEE GROVES REVOCABLE TRUST |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/26/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02416 |
| Federal ID | WY02416 |
| More Info | State Dam Safety Program |