Martin-thompson
Martin-thompson is an earth dam located in Weston County, Wyoming, built in 1939. It carries a Low hazard potential classification and has a fair condition assessment.
About Martin-thompson
The primary purpose of Martin-thompson is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Double Triangle Ranch (private). It impounds the Stockade Beaver Cr near Edgemont, Sd.
The dam stands 27 feet tall and stretches 400 feet across, creates a reservoir covering 17 acres, and has a maximum storage capacity of 265 acre-feet. Completed in 1939, 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 05/23/2022.
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Location
| State | Wyoming |
| County | Weston |
| Nearest City | Edgemont, Sd |
| River/Stream | Stockade Beaver Cr |
| Coordinates | 43.92680, -104.10730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 400 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 265 acre-ft |
| Max Storage | 265 acre-ft |
| Normal Storage | 170 acre-ft |
| Surface Area | 17 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DOUBLE TRIANGLE RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/23/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00772 |
| Federal ID | WY00772 |
| More Info | State Dam Safety Program |