Upper Brunet, also known as Brunet River, is a gravity dam located in Sawyer, Wisconsin, with a primary purpose of recreation. Built in 1939, this structure stands at a height of 17 feet and has a storage capacity of 1400 acre-feet, providing essential water resources for the area. With a drainage area of 30 square miles and a maximum discharge of 5500 cubic feet per second, Upper Brunet plays a crucial role in managing water flow and ensuring the safety of surrounding communities.

Despite its fair condition assessment and high hazard potential, Upper Brunet remains a popular destination for water and climate enthusiasts, offering a surface area of 137 acres for recreational activities. The dam's controlled spillway and regular inspections by the Wisconsin Department of Natural Resources contribute to its overall safety and functionality. However, the risk assessment for Upper Brunet indicates a very high risk level, emphasizing the importance of continued monitoring and maintenance to mitigate potential hazards and ensure the dam's long-term sustainability.

With its picturesque location and vital role in water resource management, Upper Brunet serves as a significant landmark in the Detroit District. As one of the key structures regulated by the WIDNR, this dam stands as a testament to the intersection of human infrastructure and natural ecosystems. Whether exploring the Brunet River for recreational purposes or studying the impact of climate change on water resources, Upper Brunet offers a compelling case study for those passionate about environmental conservation and sustainable development.