Shearing Pen
Shearing Pen is an earth dam located in Campbell County, Wyoming, built in 1943. It carries a Low hazard potential classification and has a fair condition assessment.
About Shearing Pen
The primary purpose of Shearing Pen is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by T Chair Land Company (private). It impounds the Willow Creek near I - 90.
The dam stands 24 feet tall and stretches 320 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 70 acre-feet. Completed in 1943, 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 04/27/2023.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | I - 90 |
| River/Stream | Willow Creek |
| Coordinates | 43.77639, -105.90861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 320 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 6 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | T CHAIR LAND COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/27/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01857 |
| Federal ID | WY01857 |
| More Info | State Dam Safety Program |