Brawner Lake, located in Lyon County, Minnesota, is a state-regulated reservoir situated on the Redwood River. The dam, completed in 1952, stands at a height of 29 feet and has a length of 500 feet. With a storage capacity of 450 acre-feet, the lake covers a surface area of 30 acres and serves multiple purposes beyond just water storage. The primary dam type is gravity, with a buttress core type and an unlisted/unknown foundation.

Despite its low hazard potential, Brawner Lake is currently in poor condition as assessed in May 2009. The last inspection in March 2016 revealed the need for improvement, with a scheduled inspection frequency of every 8 years. The reservoir's emergency action plan (EAP) status and risk assessment measures are currently unspecified, indicating a potential area for development in terms of preparedness and risk management.

With its scenic location and vital role in water resource management, Brawner Lake remains an important asset in Lyon County. As climate change continues to impact water resources, ensuring the safety and maintenance of this reservoir will be crucial for both its environmental integrity and the surrounding communities that depend on it for various purposes.