Boelte No. 1 is an earth dam located in Sublette County, Wyoming, built in 2003. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 416 ft long, taller than 74% 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 Boelte No. 1
The primary purpose of Boelte No. 1 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 Main Pass, LLC (private). It impounds the Boelte Draw near Local Road.
The dam stands 32 feet tall and stretches 416 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 93 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2003, the structure is relatively new.
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 08/18/2023.
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Location
| State | Wyoming |
| County | Sublette |
| Nearest City | Local Road |
| River/Stream | Boelte Draw |
| Coordinates | 42.84167, -109.72694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 23 ft |
| Dam Length | 416 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 93 acre-ft |
| Max Storage | 93 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 390 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Main Pass, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02358 |
| Federal ID | WY02358 |
| More Info | State Dam Safety Program |