Ralph Clark #1
Ralph Clark #1 is an earth dam located in Garfield County, Montana, built in 1955. It carries a Low hazard potential classification.
About Ralph Clark #1
The primary purpose of Ralph Clark #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 Ralph Clark (private). It impounds the Tr-seven Blackfoot Creek.
The dam stands 47 feet tall and stretches 600 feet across, and has a maximum storage capacity of 326 acre-feet. Completed in 1955, 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.
At 47 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Montana |
| County | Garfield |
| Nearest City | None |
| River/Stream | Tr-seven Blackfoot Creek |
| Coordinates | 47.44870, -107.40510 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 600 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 326 acre-ft |
| Max Storage | 326 acre-ft |
| Normal Storage | 216 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | RALPH CLARK |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02371 |
| Federal ID | MT02371 |
| More Info | State Dam Safety Program |