Boulter
Boulter is an earth dam located in Sublette County, Wyoming, built in 1956. It carries a Low hazard potential classification and has a fair condition assessment.
About Boulter
The primary purpose of Boulter is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by East Fork Irrigation Assn. (jep Richie) (private). It impounds the Boulter Creek.
The dam stands 21 feet tall and stretches 95 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 766 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1956, 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 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 08/31/2021.
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Location
| State | Wyoming |
| County | Sublette |
| Nearest City | None |
| River/Stream | Boulter Creek |
| Coordinates | 42.72900, -109.31320 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 95 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 766 acre-ft |
| Max Storage | 766 acre-ft |
| Normal Storage | 563 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | EAST FORK IRRIGATION ASSN. (JEP RICHIE) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/31/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01219 |
| Federal ID | WY01219 |
| More Info | State Dam Safety Program |