Thompson
Thompson is an earth dam located in Carbon County, Wyoming, built in 1923. It carries a Low hazard potential classification and has a poor condition assessment.
About Thompson
The primary purpose of Thompson is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Anderson Farms (private). It impounds the Rye Gulch near Saratoga.
The dam stands 23 feet tall and stretches 510 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1923, 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 07/29/2024.
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Location
| State | Wyoming |
| County | Carbon |
| Nearest City | Saratoga |
| River/Stream | Rye Gulch |
| Coordinates | 41.20010, -106.69680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 510 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ANDERSON FARMS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/29/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00298 |
| Federal ID | WY00298 |
| More Info | State Dam Safety Program |