Sanborn Lake in Le Sueur, Minnesota, is a state-regulated water resource managed by the Minnesota Department of Natural Resources (MNDNR EWR). The lake, designed by Ducks Unlimited, serves multiple purposes with a normal storage capacity of 761 acre-feet and a maximum storage capacity of 1668 acre-feet. With a surface area of 315 acres and a drainage area of 3.63 square miles, Sanborn Lake plays a crucial role in water management and conservation in the region.

This buttress-type dam, with a height of 10 feet and a hydraulic height of 7.5 feet, has a low hazard potential and has not been rated for its current condition. The dam has not been inspected recently, with an inspection frequency of 8 years. Although the risk assessment and management measures for the dam are not specified, the lake's importance in the local ecosystem and water supply highlight the need for continued monitoring and maintenance to ensure its long-term sustainability and safety.

Located in the St. Paul District, Sanborn Lake provides a serene environment for water and climate enthusiasts to appreciate the beauty and significance of this state-regulated water resource in Minnesota. With its diverse ecosystem and crucial role in water management, Sanborn Lake stands as a testament to the importance of preserving and protecting our natural resources for future generations.