Gray 13
Gray 13 is an earth dam located in Rosebud County, Montana, built in 1940. It carries a Low hazard potential classification.
About Gray 13
The primary purpose of Gray 13 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 U.s. D.o.i. B.l.m. (federal). It impounds the Cottonwood Creek N Fork near Rosebud.
The dam stands 20 feet tall and stretches 175 feet across, and has a maximum storage capacity of 219 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
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 | Cottonwood Creek N Fork |
| Coordinates | 46.59739, -106.56601 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 175 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 219 acre-ft |
| Max Storage | 219 acre-ft |
| Normal Storage | 135 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | U.S. D.O.I. B.L.M. |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01969 |
| Federal ID | MT01969 |
| More Info | State Dam Safety Program |