Sheffels Reservoir is an earth dam located in Cascade County, Montana, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 68 ft68 ft tall and 300 ft long, taller than 96% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Sheffels Reservoir
The primary purpose of Sheffels Reservoir 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 James R Sheffels (private). It impounds the Tr-missouri River near Fort Benton.
The dam stands 68 feet tall and stretches 300 feet across, and has a maximum storage capacity of 299 acre-feet. Completed in 1963, 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 68 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Montana |
| County | Cascade |
| Nearest City | Fort Benton |
| River/Stream | Tr-missouri River |
| Coordinates | 47.55480, -111.20280 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 68 ft |
| Dam Height | 68 ft |
| Dam Length | 300 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 299 acre-ft |
| Max Storage | 299 acre-ft |
| Normal Storage | 178 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | James R Sheffels |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01190 |
| Federal ID | MT01190 |
| More Info | State Dam Safety Program |