Wood Lake, located in Madelia, Minnesota, is a state-regulated recreational reservoir constructed in 1940 by WPA-C. The dam stands at 8 feet high with a hydraulic height of 1.5 feet, providing a storage capacity of 2000 acre-feet and covering a surface area of 508 acres. The reservoir is primarily used for recreational purposes and is situated along the WATONWAN RIVER N FK-TR, offering visitors a tranquil setting for boating, fishing, and other water-related activities.

Despite its low hazard potential and satisfactory condition assessment, Wood Lake is subject to regular state inspection, permitting, and enforcement by the Minnesota Department of Natural Resources (MNDNR EWR). The dam, classified as "Other" in type, features a buttress core structure and serves as a vital resource for the surrounding community. While the reservoir's primary purpose is recreation, it also plays a role in water resource management and conservation efforts within the Watonwan County area.

With its rich history, scenic beauty, and essential role in water management, Wood Lake stands as a testament to the importance of sustainable reservoir development and maintenance. As a beloved destination for outdoor enthusiasts and climate advocates alike, the reservoir continues to provide a vital source of recreation and ecological support for the local ecosystem.