Wesley #2 is an earth dam located in Prairie County, Montana, built in 1890. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 350 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Wesley #2
The primary purpose of Wesley #2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Tibbetts Ranch Inc (private). It impounds the Tr-spring Creek near Fallon.
The dam stands 25 feet tall and stretches 350 feet across, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1890, 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.
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Location
| State | Montana |
| County | Prairie |
| Nearest City | Fallon |
| River/Stream | Tr-spring Creek |
| Coordinates | 46.76050, -105.30940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 350 ft |
| Year Completed | 1890 (136 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 46 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 400 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Tibbetts Ranch Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02390 |
| Federal ID | MT02390 |
| More Info | State Dam Safety Program |