West
West is an earth dam located in Converse County, Wyoming, built in 1950. It carries a Low hazard potential classification and has a poor condition assessment.
About West
The primary purpose of West is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Parkerton Ranches, Inc. (private). It impounds the West Fork Lonetree Creek near Big Muddy Oil Field.
The dam stands 40 feet tall and stretches 700 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 111 acre-feet. Completed in 1950, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/05/2024.
At 40 feet, this dam is taller than 87% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wyoming |
| County | Converse |
| Nearest City | Big Muddy Oil Field |
| River/Stream | West Fork Lonetree Creek |
| Coordinates | 42.98667, -105.97556 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 700 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 111 acre-ft |
| Max Storage | 111 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 11 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | PARKERTON RANCHES, INC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/05/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00189 |
| Federal ID | WY00189 |
| More Info | State Dam Safety Program |