A M Prevost is an earth dam located in Richland County, Montana, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 500 ft long. 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 A M Prevost
The primary purpose of A M Prevost 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 Alice M Thomas (private). It impounds the Tr-fox Creek near Sidney.
The dam stands 22 feet tall and stretches 500 feet across, and has a maximum storage capacity of 65 acre-feet. Completed in 1968, the structure is well into its service life at over 50 years 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 | Richland |
| Nearest City | Sidney |
| River/Stream | Tr-fox Creek |
| Coordinates | 47.74680, -104.55200 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 500 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 36 acre-ft |
| Max Discharge | 389 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Alice M Thomas |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02892 |
| Federal ID | MT02892 |
| More Info | State Dam Safety Program |