Swan Lake, located in Nicollet, Minnesota, is a state-regulated water resource managed by the Minnesota Department of Natural Resources, Environmental Water Resources division. Built in 1977, this dam serves as a vital component of the local watershed system, with a primary purpose listed as "Other". The dam's design features a buttress core type and stands at a height of 8 feet, with a hydraulic height of 6.6 feet.

With a storage capacity of 56,076 acre-feet and a surface area of 9,346 acres, Swan Lake plays a crucial role in managing water resources in the region. The dam's low hazard potential and satisfactory condition assessment make it a reliable infrastructure for water supply and flood control. The last inspection conducted in April 2014 deemed the structure to be in good standing, with inspection frequency set at every 8 years.

Water and climate enthusiasts can appreciate Swan Lake as a key element in sustainable water management in Minnesota. Its presence on Nicollet Creek and its role in the local watershed system highlight the importance of well-maintained infrastructure in addressing water resource challenges. The dam's capacity, design, and regulatory oversight by the state showcase a commitment to maintaining the integrity of this essential water resource for years to come.