Brule, also known as Brule Island, is a private hydroelectric dam located in Iron, Michigan along the Brule River. Completed in 1919, this gravity dam stands at a height of 75 feet and has a hydraulic height of 63 feet, providing a storage capacity of 6600 acre-feet with a drainage area of 1060 square miles. The dam serves multiple purposes including hydroelectric power generation and recreation, with a maximum discharge capacity of 23000 cubic feet per second.

Despite its age, the dam at Brule remains in high hazard potential due to its condition not being rated. However, emergency action plans have been prepared and updated periodically to ensure the safety of residents in the area. The risk assessment for Brule rates it as very high, with risk management measures in place to mitigate potential threats. Controlled spillways and a surface area of 297 acres contribute to the operational efficiency of the dam, providing vital services to the surrounding community while also posing challenges that require continuous monitoring and maintenance.