Lachapelle Enl. of Ben Res. is an earth dam located in Uinta County, Wyoming, built in 1997. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 1,020 ft long, taller than 78% of U.S. dams with a recorded height. 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 Lachapelle Enl. of Ben Res.
The primary purpose of Lachapelle Enl. of Ben Res. is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Broadbent Land & Resources LLC (private). It impounds the East Branch Lachapelle Creek near Evanston.
The dam stands 34 feet tall and stretches 1,020 feet across, creates a reservoir covering 30 acres, and has a storage capacity of 303 acre-feet. Completed in 1997, the structure is 29 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 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 07/24/2023.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Wyoming |
| County | Uinta |
| Nearest City | Evanston |
| River/Stream | East Branch Lachapelle Creek |
| Coordinates | 41.05528, -110.73611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 1,020 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 303 acre-ft |
| Normal Storage | 303 acre-ft |
| Surface Area | 30 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Broadbent Land & Resources LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/24/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02120 |
| Federal ID | WY02120 |
| More Info | State Dam Safety Program |