Williams No. 2
Williams No. 2 is an earth dam located in Sublette County, Wyoming, built in 1917. It carries a Low hazard potential classification and has a poor condition assessment.
About Williams No. 2
The primary purpose of Williams No. 2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Magagna Brothers C/o Jim Magagna (private). It impounds the West Fork Of Dry Sandy near Farson.
The dam stands 14 feet tall and stretches 520 feet across, creates a reservoir covering 16 acres, and has a maximum storage capacity of 117 acre-feet. Completed in 1917, the structure is over a century 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/25/2023.
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Location
| State | Wyoming |
| County | Sublette |
| Nearest City | Farson |
| River/Stream | West Fork Of Dry Sandy |
| Coordinates | 42.32194, -109.20194 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 520 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 117 acre-ft |
| Max Storage | 117 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 16 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MAGAGNA BROTHERS C/O JIM MAGAGNA |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/25/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01965 |
| Federal ID | WY01965 |
| More Info | State Dam Safety Program |