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.
Location
| State | Wisconsin |
| County | Sawyer |
| Nearest City | None |
| River/Stream | West Fork Chippewa |
| Coordinates | 46.03304, -91.07611 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 840 ft |
| Year Completed | 1897 (129 years old) |
Storage & Hydraulics
| NID Storage | 27,500 acre-ft |
| Max Storage | 27,500 acre-ft |
| Normal Storage | 12,500 acre-ft |
| Surface Area | 1,670 acres |
| Drainage Area | 225 sq mi |
| Max Discharge | 3,770 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Xcel Energy |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 09/16/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00195 |
| Federal ID | WI00195 |
| More Info | State Dam Safety Program |