Ewen - Pence Gulch
Ewen - Pence Gulch is an earth dam located in Big Horn County, Wyoming, built in 1953. It carries a Low hazard potential classification and has a poor condition assessment.
About Ewen - Pence Gulch
The primary purpose of Ewen - Pence Gulch is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by The Bucking S, Llc (private). It impounds the Pence Gulch.
The dam stands 30 feet tall and stretches 293 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 118 acre-feet. Completed in 1953, the structure is well into its service life at over 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. 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 07/20/2022.
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Location
| State | Wyoming |
| County | Big Horn |
| Nearest City | None |
| River/Stream | Pence Gulch |
| Coordinates | 44.58800, -107.82570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 293 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 118 acre-ft |
| Max Storage | 118 acre-ft |
| Normal Storage | 78 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | THE BUCKING S, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/20/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01156 |
| Federal ID | WY01156 |
| More Info | State Dam Safety Program |