Bass (rosebud) is an earth dam located in Rosebud County, Montana, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 125 ft long, taller than 68% 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 Bass (rosebud)
The primary purpose of Bass (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 Ervin Dobson (private). It impounds the Tr-hanson Coulee near Forsyth.
The dam stands 30 feet tall and stretches 125 feet across, has a maximum storage capacity of 299 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1963, 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 | Tr-hanson Coulee |
| Coordinates | 46.75500, -107.12260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 125 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 299 acre-ft |
| Max Storage | 299 acre-ft |
| Normal Storage | 173 acre-ft |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ervin Dobson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01370 |
| Federal ID | MT01370 |
| More Info | State Dam Safety Program |