Elder Elmer is an earth dam located in Cascade County, Montana, built in 1953. It carries a Low hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 200 ft long, taller than 82% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Elder Elmer
The primary purpose of Elder Elmer is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Violet A. Vihinen (private). It impounds the Box Elder Creek near Fort Benton.
The dam stands 36 feet tall and stretches 200 feet across, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1953, 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 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Montana |
| County | Cascade |
| Nearest City | Fort Benton |
| River/Stream | Box Elder Creek |
| Coordinates | 47.46250, -111.09310 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 200 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 53 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 68 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Violet A. Vihinen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03301 |
| Federal ID | MT03301 |
| More Info | State Dam Safety Program |