Twin Lakes
Twin Lakes is a gravity dam located in Vilas County, Wisconsin, built in 1908. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Twin Lakes
The primary purpose of Twin Lakes 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 Twin near Eagle River.
The dam stands 10 feet tall and stretches 157 feet across, has a maximum storage capacity of 93,526 acre-feet, and collects water from a drainage area of 26 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 06/12/2018.
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Location
| State | Wisconsin |
| County | Vilas |
| Nearest City | Eagle River |
| River/Stream | Twin |
| Coordinates | 46.02230, -89.16850 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 157 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 93,526 acre-ft |
| Max Storage | 93,526 acre-ft |
| Drainage Area | 26 sq mi |
| Max Discharge | 399 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 | 06/12/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00808 |
| Federal ID | WI00808 |
| More Info | State Dam Safety Program |