Mille Lacs, located in Mille Lacs, Minnesota, is a state-regulated water structure owned by the Minnesota Department of Natural Resources (MNDNR EWR). With a primary purpose of recreation, this dam on the Rum River was completed in 2015 and has a normal storage capacity of 133,000 acre-feet. It covers a surface area of 128,227 acres and serves a drainage area of 415 square miles.

The dam at Mille Lacs is classified as a buttress type, with a hydraulic height of 2.5 feet and a hazard potential rated as low. While the condition assessment is not rated, the structure undergoes inspections every 8 years to ensure its safety and functionality. The dam has a maximum storage capacity of 665,000 acre-feet and plays a crucial role in water resource management and recreational activities in the region.

In the event of any emergencies, the dam at Mille Lacs has measures in place to mitigate risks, although specific details on emergency action plans and risk assessments are not provided. Overall, Mille Lacs serves as an important water resource infrastructure for the community, providing not only recreational opportunities but also aiding in water storage and management in the region.