Sweo
Sweo is an earth dam located in Valley County, Montana, built in 1945. It carries a Low hazard potential classification.
About Sweo
The primary purpose of Sweo 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 Arthur Sweo (private). It impounds the Tr-morgan Creek.
The dam stands 19 feet tall and stretches 125 feet across, has a maximum storage capacity of 186 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1945, 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.
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Location
| State | Montana |
| County | Valley |
| Nearest City | None |
| River/Stream | Tr-morgan Creek |
| Coordinates | 48.99110, -106.55440 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 125 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 186 acre-ft |
| Max Storage | 186 acre-ft |
| Normal Storage | 36 acre-ft |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ARTHUR SWEO |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02695 |
| Federal ID | MT02695 |
| More Info | State Dam Safety Program |