Montana #31
Montana #31 is an earth dam located in Musselshell County, Montana, built in 1950. It carries a Low hazard potential classification.
About Montana #31
The primary purpose of Montana #31 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 State Of Montana, D.n.r.c., T.l.m.d. (state). It impounds the Tr-north Willow Creek near Mosby.
The dam stands 12 feet tall and stretches 250 feet across, and has a maximum storage capacity of 71 acre-feet. Completed in 1950, 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 | Musselshell |
| Nearest City | Mosby |
| River/Stream | Tr-north Willow Creek |
| Coordinates | 46.67290, -108.02415 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 250 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 71 acre-ft |
| Max Storage | 71 acre-ft |
| Normal Storage | 21 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | STATE OF MONTANA, D.N.R.C., T.L.M.D. |
| Owner Type | State |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02160 |
| Federal ID | MT02160 |
| More Info | State Dam Safety Program |