Brownlee, also known as Mirror Lake, is a recreational dam located in Wisconsin, specifically in Buffalo County near the city of Mondovi. Built in 1859, this earth dam stands at a height of 34 feet and has a hydraulic height of 24 feet, providing a storage capacity of 255 acre-feet. The dam's primary purpose is for recreation, with a surface area of 30 acres and a drainage area of 20 square miles.

Managed by the Wisconsin Department of Natural Resources (WIDNR), Brownlee is state-regulated and undergoes regular inspections to ensure its structural integrity and safety. Despite being classified as having a high hazard potential, the dam is currently assessed to be in fair condition, with a moderate risk rating of 3. The dam has a controlled spillway type and a maximum discharge capacity of 4,245 cubic feet per second, serving as a vital component for water resource management in the region.

With its historical significance and importance for recreational activities, Brownlee Dam on Brownlee and Peeso Creek continues to be a focal point for water resource enthusiasts and climate advocates alike. Its location, design, and regulatory oversight make it a valuable asset in the region's water infrastructure, highlighting the balance between human recreation and environmental stewardship in managing our water resources.