Windmill Lake Dam, located in Pickering, MO, is a local government-owned structure regulated by the Iowa Department of Natural Resources. Built in 1969, this earth dam stands at a height of 35 feet and spans 900 feet across the TR-West Branch 102 River. The primary purpose of Windmill Lake Dam is for recreation, offering a surface area of 24.5 acres and a storage capacity of 247 acre-feet.

Despite its fair condition assessment and low hazard potential, Windmill Lake Dam is subject to moderate risk due to its location and design. The dam has a drainage area of 0.84 square miles and a normal storage capacity of 66 acre-feet. Managed by the Kansas City District of the US Army Corps of Engineers, this dam serves as an important water resource for the surrounding area, providing opportunities for outdoor activities and wildlife habitat. Climate and water resource enthusiasts will find Windmill Lake Dam to be a fascinating example of infrastructure designed to balance human needs with environmental conservation.