Leck Mayes is an earth dam located in Big Horn County, Wyoming, built in 1992. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 3,050 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Leck Mayes
The primary purpose of Leck Mayes is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Wyoming Game and Fish Commission (state). It impounds the Leck Mayes Draw.
The dam stands 8 feet tall and stretches 3,050 feet across, creates a reservoir covering 40 acres, and has a maximum storage capacity of 166 acre-feet. Completed in 1992, the structure is 34 years old.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/12/2022.
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Location
| State | Wyoming |
| County | Big Horn |
| River/Stream | Leck Mayes Draw |
| Coordinates | 44.86420, -108.25090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 3,050 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 166 acre-ft |
| Max Storage | 166 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 40 acres |
| Max Discharge | 30 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Wyoming Game and Fish Commission |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/12/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02031 |
| Federal ID | WY02031 |
| More Info | State Dam Safety Program |