Moose River Project

Moose River Project is an earth dam located in Beltrami County, Minnesota, built in 1986. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Moose River Project

The primary purpose of Moose River Project is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Wd Of Red Lake (local government). It impounds the Moose River near Grygla.

The dam stands 20 feet tall and stretches 66,000 feet across, creates a reservoir covering 3,500 acres, has a maximum storage capacity of 54,000 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1986, the structure is 40 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/16/2024.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountyBeltrami
Nearest CityGrygla
River/StreamMoose River
Coordinates48.43073, -95.44363

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height16 ft
Dam Length66,000 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage54,000 acre-ft
Max Storage54,000 acre-ft
Normal Storage6,000 acre-ft
Surface Area3,500 acres
Drainage Area14 sq mi
Max Discharge500 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerWD of Red Lake
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection10/16/2024
Emergency Action PlanNot Required

Identifiers

NID IDMN00929
Federal IDMN00929
More InfoState Dam Safety Program

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