Robinson #2 is an earth dam located in Custer County, Montana, built in 1942. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 575 ft long, taller than 55% 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 Robinson #2
The primary purpose of Robinson #2 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 Floyd Robinson (private). It impounds the Tr-mizpah Creek near Mizpah.
The dam stands 26 feet tall and stretches 575 feet across, and has a maximum storage capacity of 75 acre-feet. Completed in 1942, 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 | Custer |
| Nearest City | Mizpah |
| River/Stream | Tr-mizpah Creek |
| Coordinates | 46.02270, -105.42790 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 575 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 48 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Floyd Robinson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01691 |
| Federal ID | MT01691 |
| More Info | State Dam Safety Program |