Greyhound is an earth dam located in Carbon County, Wyoming, built in 1910. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 11 ft11 ft tall and 877 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 Greyhound
The primary purpose of Greyhound is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Tetrad Corporation (private). It impounds the Rattlesnake Cr Offstream near Ft Fred Steele.
The dam stands 11 feet tall and stretches 877 feet across, creates a reservoir covering 30 acres, and has a maximum storage capacity of 204 acre-feet. Completed in 1910, the structure is over a century 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 06/10/2025.
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Location
| State | Wyoming |
| County | Carbon |
| Nearest City | Ft Fred Steele |
| River/Stream | Rattlesnake Cr Offstream |
| Coordinates | 41.67860, -106.70400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 877 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 204 acre-ft |
| Max Storage | 204 acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 30 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Tetrad Corporation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/10/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00187 |
| Federal ID | WY00187 |
| More Info | State Dam Safety Program |