Groh Stock is an earth dam located in McCone County, Montana, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 30 ft long. 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 Groh Stock
The primary purpose of Groh Stock 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 Beg Inc (private). It impounds the Tr-horse Creek near Circle.
The dam stands 24 feet tall and stretches 30 feet across, and has a maximum storage capacity of 60 acre-feet. Completed in 1938, 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 | McCone |
| Nearest City | Circle |
| River/Stream | Tr-horse Creek |
| Coordinates | 47.43940, -105.73930 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 30 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 54 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Beg Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00911 |
| Federal ID | MT00911 |
| More Info | State Dam Safety Program |