Squirrel Lake
Squirrel Lake is a gravity dam located in Oneida County, Wisconsin, built in 1908. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Squirrel Lake
The primary purpose of Squirrel Lake is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Wisconsin Valley Improvement Company (public utility). It impounds the Squirrel near Tomahawk.
The dam stands 7 feet tall and stretches 80 feet across, has a maximum storage capacity of 23,140 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1908, the structure is over a century 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 08/03/2022.
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Location
| State | Wisconsin |
| County | Oneida |
| Nearest City | Tomahawk |
| River/Stream | Squirrel |
| Coordinates | 45.84340, -89.90380 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 80 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 23,140 acre-ft |
| Max Storage | 23,140 acre-ft |
| Drainage Area | 15 sq mi |
| Max Discharge | 296 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Wisconsin Valley Improvement Company |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/03/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI10688 |
| Federal ID | WI10688 |
| More Info | State Dam Safety Program |