Plethora
Plethora is an earth dam located in Phillips County, Montana, built in 1965. It carries a Low hazard potential classification.
About Plethora
The primary purpose of Plethora 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 Kenneth H Jensen (private). It impounds the Tr-assiniboine Creek near Dodson.
The dam stands 12 feet tall and stretches 535 feet across, and has a maximum storage capacity of 152 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 | Phillips |
| Nearest City | Dodson |
| River/Stream | Tr-assiniboine Creek |
| Coordinates | 48.53400, -108.16540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 535 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 152 acre-ft |
| Max Storage | 152 acre-ft |
| Normal Storage | 36 acre-ft |
| Max Discharge | 575 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | KENNETH H JENSEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01290 |
| Federal ID | MT01290 |
| More Info | State Dam Safety Program |