Big Timber #49
Big Timber #49 is an earth dam located in Rosebud County, Montana, built in 1956. It carries a Low hazard potential classification.
About Big Timber #49
The primary purpose of Big Timber #49 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-horse Creek near Vananda.
The dam stands 23 feet tall and stretches 225 feet across, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1956, 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 | Vananda |
| River/Stream | Tr-horse Creek |
| Coordinates | 46.40470, -107.03620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 225 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 40 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Uncontrolled |
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 | MT01960 |
| Federal ID | MT01960 |
| More Info | State Dam Safety Program |