Murphy #1
Murphy #1 is an earth dam located in McCone County, Montana, built in 1965. It carries a Low hazard potential classification.
About Murphy #1
The primary purpose of Murphy #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 Murphy Ranch Inc (private). It impounds the Tr-nelson Creek.
The dam stands 15 feet tall and stretches 600 feet across, and has a maximum storage capacity of 668 acre-feet. Completed in 1965, 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 | McCone |
| Nearest City | None |
| River/Stream | Tr-nelson Creek |
| Coordinates | 47.44210, -105.96110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 600 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 668 acre-ft |
| Max Storage | 668 acre-ft |
| Normal Storage | 198 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MURPHY RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01550 |
| Federal ID | MT01550 |
| More Info | State Dam Safety Program |