Waukenabo Lake

Waukenabo Lake is a gravity dam located in Aitkin County, Minnesota, built in 1938. It carries a Low hazard potential classification.

About Waukenabo Lake

The primary purpose of Waukenabo Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr (state). It impounds the Little Willow River-tr near Aitkin.

The dam stands 11 feet tall and stretches 41 feet across, creates a reservoir covering 650 acres, has a maximum storage capacity of 7,000 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.

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. The most recent inspection on record was 08/28/2024.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMinnesota
CountyAitkin
Nearest CityAitkin
River/StreamLittle Willow River-tr
Coordinates46.72770, -93.62087

Physical Characteristics

Dam TypeGravity
NID Height11 ft
Dam Height6 ft
Dam Length41 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage7,000 acre-ft
Max Storage7,000 acre-ft
Normal Storage2,400 acre-ft
Surface Area650 acres
Drainage Area12 sq mi
Max Discharge560 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerMNDNR
Owner TypeState
Hazard ClassificationLow
Last Inspection08/28/2024
Emergency Action PlanNot Required

Identifiers

NID IDMN00246
Federal IDMN00246
More InfoState Dam Safety Program

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