Black Coulee Reservoir
Black Coulee Reservoir is an earth dam located in Rosebud County, Montana, built in 1962. It carries a Low hazard potential classification.
About Black Coulee Reservoir
The primary purpose of Black Coulee Reservoir 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 South Prong Black Coulee near Rosebud.
The dam stands 20 feet tall and stretches 500 feet across, and has a maximum storage capacity of 62 acre-feet. Completed in 1962, 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 | Rosebud |
| River/Stream | South Prong Black Coulee |
| Coordinates | 46.40230, -106.67160 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 500 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 32 acre-ft |
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 | MT01772 |
| Federal ID | MT01772 |
| More Info | State Dam Safety Program |