Johnston And Son Ranch #4
Johnston And Son Ranch #4 is an earth dam located in Carter County, Montana, built in 1964. It carries a Low hazard potential classification.
About Johnston And Son Ranch #4
The primary purpose of Johnston And Son Ranch #4 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 Johnston And Son Ranch (private). It impounds the Tr-cabin Creek near Marmarth North Dakota.
The dam stands 20 feet tall and stretches 400 feet across, has a maximum storage capacity of 81 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.
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 | Carter |
| Nearest City | Marmarth North Dakota |
| River/Stream | Tr-cabin Creek |
| Coordinates | 45.53560, -104.54730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 400 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Max Storage | 81 acre-ft |
| Normal Storage | 28 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 500 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | JOHNSTON AND SON RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02929 |
| Federal ID | MT02929 |
| More Info | State Dam Safety Program |