Reser Dam

Reser Dam is a gravity dam located in Blaine County, Montana, built in 1980. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.

About Reser Dam

The primary purpose of Reser Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Doi Blm (federal). It impounds the Reser Cr/lodge Ck./milk River near Chinook.

The dam stands 37 feet tall and stretches 846 feet across, creates a reservoir covering 46 acres, has a maximum storage capacity of 523 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1980, the structure is 46 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 07/21/2020.

At 37 feet, this dam is taller than 84% of dams nationwide.

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Low HazardUnsatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyBlaine
Nearest CityChinook
River/StreamReser Cr/lodge Ck./milk River
Coordinates48.71727, -109.39687

Physical Characteristics

Dam TypeGravity
NID Height37 ft
Dam Length846 ft
Year Completed1980 (46 years old)

Storage & Hydraulics

NID Storage523 acre-ft
Max Storage523 acre-ft
Normal Storage450 acre-ft
Surface Area46 acres
Drainage Area4 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentUnsatisfactory
Last Inspection07/21/2020
Emergency Action PlanNot Required

Identifiers

NID IDMT03879
Federal IDMT03879
More InfoState Dam Safety Program

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