Eagle Lake, located in Cottonwood County, Minnesota, is a gravity dam completed in 1948 with a primary purpose listed as "Other." This structure, managed by the local government, stands at a height of 11 feet and has a normal storage capacity of 6,148 acre-feet. With a surface area of 105 acres and a drainage area of 0.83 square miles, Eagle Lake plays a crucial role in water resource management in the region.

The dam on Eagle Lake is regulated by the Minnesota Department of Natural Resources and is subject to state jurisdiction, permitting, inspection, and enforcement. Despite being classified as having a low hazard potential and satisfactory condition, the risk assessment for this structure is moderate. The dam's spillway is uncontrolled, and it has not been modified in recent years. Although the last inspection took place in 2012, with a frequency of every 8 years, Eagle Lake continues to serve its purpose effectively and contributes to the overall water management strategy in the area.

With its proximity to the Watonwan River, Eagle Lake is a vital component of the local ecosystem and plays a key role in flood control and water storage. The dam's location in Mountain Lake, Minnesota, highlights its importance in the region's water infrastructure. As climate change continues to impact water resources, Eagle Lake remains a crucial asset for water resource and climate enthusiasts to monitor and study for sustainable water management practices in the future.