Robinson #1
Robinson #1 is an earth dam located in Custer County, Montana, built in 1940. It carries a Low hazard potential classification.
About Robinson #1
The primary purpose of Robinson #1 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-elmhurst Creek near Mizpah.
The dam stands 28 feet tall and stretches 550 feet across, and has a maximum storage capacity of 164 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 | Custer |
| Nearest City | Mizpah |
| River/Stream | Tr-elmhurst Creek |
| Coordinates | 45.96790, -105.29360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 550 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 164 acre-ft |
| Max Storage | 164 acre-ft |
| Normal Storage | 88 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | FLOYD ROBINSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01698 |
| Federal ID | MT01698 |
| More Info | State Dam Safety Program |