Langstaff #1
Langstaff #1 is an earth dam located in Carbon County, Montana, built in 1945. It carries a Low hazard potential classification.
About Langstaff #1
The primary purpose of Langstaff #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 Brenda/russell Anderson (private). It impounds the Tr-sand Creek near Fromberg.
The dam stands 25 feet tall and stretches 1,320 feet across, and has a maximum storage capacity of 535 acre-feet. Completed in 1945, 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 | Carbon |
| Nearest City | Fromberg |
| River/Stream | Tr-sand Creek |
| Coordinates | 45.28696, -108.99725 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,320 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 535 acre-ft |
| Max Storage | 535 acre-ft |
| Normal Storage | 168 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | BRENDA/RUSSELL ANDERSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02187 |
| Federal ID | MT02187 |
| More Info | State Dam Safety Program |