Walnut Grove, also known as Plum Creek Lake, is a captivating water resource nestled in Redwood County, Minnesota. Managed by the local government and designed by the USDA NRCS, this earth dam boasts a height of 54 feet and a structural height of 57 feet, completed in 1979. With a primary purpose of recreation, this reservoir offers a serene escape for water and climate enthusiasts alike.

The dam has a significant hazard potential but is currently in satisfactory condition, as assessed in May 2019. Its storage capacity of 1,288 acre-feet provides ample water for recreational activities, covering a surface area of 22 acres. Plum Creek Lake also serves as a vital habitat for local wildlife and contributes to the overall health of the ecosystem in the region.

Visitors to Walnut Grove can enjoy the picturesque views of Plum Creek-TR, engage in various water activities, and appreciate the beauty of nature in this idyllic setting. With state-regulated permitting, inspection, and enforcement in place, this reservoir ensures the safety and sustainability of its operations, making it a must-visit destination for those passionate about water resources and climate conservation.