Island Lake in Rusk, Wisconsin, is a picturesque reservoir on Swift Creek with a primary purpose of recreation. The dam, completed in 1875, is a gravity type standing at 11 feet tall and 35 feet long, providing a storage capacity of 10,200 acre-feet and a surface area of 1,222 acres. With a low hazard potential and fair condition assessment, Island Lake offers a moderate risk level, making it a popular destination for water and climate enthusiasts seeking outdoor adventures.

The dam is regulated by the Wisconsin Department of Natural Resources, with state permitting, inspection, and enforcement in place to ensure safety and compliance. The spillway, of uncontrolled type, has a width of 29 feet, allowing for a maximum discharge of 385 cubic feet per second. The area surrounding Island Lake is a haven for recreational activities such as fishing, boating, and hiking, attracting visitors to enjoy the natural beauty and tranquility of this water resource.

With its rich history dating back to the 19th century, Island Lake continues to be a treasured gem in Wisconsin, offering not only a source of recreational enjoyment but also a scenic haven for wildlife and nature lovers. As climate change impacts water resources globally, Island Lake stands as a reminder of the importance of preserving and protecting our natural environments for future generations to enjoy.