Saddleback
Saddleback is an earth dam located in Converse County, Wyoming, built in 1944. It carries a Low hazard potential classification and has a fair condition assessment.
About Saddleback
The primary purpose of Saddleback is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Whitaker Ranches (private). It impounds the West Fork Labonte Creek Offstr near Guernsey.
The dam stands 30 feet tall and stretches 330 feet across, creates a reservoir covering 91 acres, and has a maximum storage capacity of 1,201 acre-feet. Completed in 1944, 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 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 06/16/2025.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Guernsey |
| River/Stream | West Fork Labonte Creek Offstr |
| Coordinates | 42.54290, -105.43810 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 330 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 1,201 acre-ft |
| Max Storage | 1,201 acre-ft |
| Normal Storage | 650 acre-ft |
| Surface Area | 91 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WHITAKER RANCHES |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/16/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00228 |
| Federal ID | WY00228 |
| More Info | State Dam Safety Program |