Sand Mesa Dam 2 is an earth dam located in Fremont County, Wyoming, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 2,400 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 Sand Mesa Dam 2
The primary purpose of Sand Mesa Dam 2 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 Bureau of Reclamation (federal). It impounds the Sand Mesa Drain Tr near Boysen.
The dam stands 11 feet tall and stretches 2,400 feet across, creates a reservoir covering 88 acres, has a maximum storage capacity of 796 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1976, the structure is 50 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.
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Location
| State | Wyoming |
| County | Fremont |
| Nearest City | Boysen |
| River/Stream | Sand Mesa Drain Tr |
| Coordinates | 43.32780, -108.20620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 2,400 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 796 acre-ft |
| Max Storage | 796 acre-ft |
| Normal Storage | 268 acre-ft |
| Surface Area | 88 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 310 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Bureau of Reclamation |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01498 |
| Federal ID | WY00916S001 |
| More Info | State Dam Safety Program |