Peterson Reservoir (rosebud) is an earth dam located in Rosebud County, Montana, built in 1937. It carries a Significant hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 375 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 Peterson Reservoir (rosebud)
The primary purpose of Peterson Reservoir (rosebud) 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 Elizabeth D Clark (private). It impounds the Butte Creek near Rosebud.
The dam stands 25 feet tall and stretches 375 feet across, and has a maximum storage capacity of 105 acre-feet. Completed in 1937, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Montana |
| County | Rosebud |
| Nearest City | Rosebud |
| River/Stream | Butte Creek |
| Coordinates | 46.20890, -106.40900 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 375 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 62 acre-ft |
| Max Discharge | 8,168 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Elizabeth D Clark |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00523 |
| Federal ID | MT00523 |
| More Info | State Dam Safety Program |