Hickory Grove Lake Dam, located in Maxwell, Iowa, is a local government-owned structure with a primary purpose of recreation. Built in 1966, this earth dam stands at a height of 56 feet and spans 745 feet in length. It holds a maximum storage capacity of 3410 acre-feet, with a normal storage level of 2141 acre-feet, serving as a vital water resource for the area.
Managed by the Iowa Department of Natural Resources, the dam is regulated, inspected, and enforced by state authorities to ensure its safe operation. Despite being classified as having a significant hazard potential, the dam's condition is assessed as satisfactory, with the last inspection conducted in June 2020. With a moderate risk assessment rating, measures are in place to manage any potential risks associated with the dam.
Situated on the TR-East Indian Creek, Hickory Grove Lake Dam not only provides recreational opportunities but also serves as a key component of water resource management in Story County, Iowa. With its impressive size and capacity, the dam plays a crucial role in flood control and water storage for the surrounding area, making it a noteworthy structure for water resource and climate enthusiasts to explore and appreciate.