Moose Lake 1

Moose Lake 1 is a gravity dam located in Sawyer County, Wisconsin, built in 1897. It carries a High hazard potential classification and has a fair condition assessment.

About Moose Lake 1

The primary purpose of Moose Lake 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Xcel Energy (private). It impounds the West Fork Chippewa.

The dam stands 23 feet tall and stretches 840 feet across, creates a reservoir covering 1,670 acres, has a maximum storage capacity of 27,500 acre-feet, and collects water from a drainage area of 225 square miles. Completed in 1897, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 09/16/2021.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Wisconsin dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountySawyer
Nearest CityNone
River/StreamWest Fork Chippewa
Coordinates46.03304, -91.07611

Physical Characteristics

Dam TypeGravity
NID Height23 ft
Dam Height23 ft
Dam Length840 ft
Year Completed1897 (129 years old)

Storage & Hydraulics

NID Storage27,500 acre-ft
Max Storage27,500 acre-ft
Normal Storage12,500 acre-ft
Surface Area1,670 acres
Drainage Area225 sq mi
Max Discharge3,770 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerXcel Energy
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection09/16/2021
Emergency Action PlanYes

Identifiers

NID IDWI00195
Federal IDWI00195
More InfoState Dam Safety Program

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