Elder Elmer

Elder Elmer is an earth dam located in Cascade County, Montana, built in 1953. It carries a Low hazard potential classification.

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 83% of dams nationwide.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyCascade
Nearest CityFort Benton
River/StreamBox Elder Creek
Coordinates47.46250, -111.09310

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length200 ft
Year Completed1953 (73 years old)

Storage & Hydraulics

NID Storage75 acre-ft
Max Storage75 acre-ft
Normal Storage53 acre-ft
Drainage Area1 sq mi
Max Discharge68 cfs

Ownership & Safety

PurposeIrrigation
OwnerVIOLET A. VIHINEN
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT03301
Federal IDMT03301
More InfoState Dam Safety Program

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