Big Timber #10 is an earth dam located in Rosebud County, Montana, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 1,000 ft long, taller than 55% 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 Big Timber #10
The primary purpose of Big Timber #10 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 Big Timber Livestock Co (private). It impounds the West Blacktail Creek near Forsyth.
The dam stands 26 feet tall and stretches 1,000 feet across, and has a maximum storage capacity of 55 acre-feet. Completed in 1975, 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 | Rosebud |
| Nearest City | Forsyth |
| River/Stream | West Blacktail Creek |
| Coordinates | 46.65760, -107.31750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 38 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Big Timber Livestock Co |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02310 |
| Federal ID | MT02310 |
| More Info | State Dam Safety Program |