Bays Branch is a state-regulated Earth dam located in Redfield, Iowa, with a primary purpose of recreation. Completed in 1962, this dam stands at 19 feet in height and spans 700 feet in length, providing a storage capacity of 3,638 acre-feet. With a surface area of 272 acres and a drainage area of 14.9 square miles, Bays Branch offers a tranquil setting for water resource and climate enthusiasts to enjoy recreational activities such as fishing and boating.

Despite its low hazard potential and satisfactory condition assessment, Bays Branch is subject to regular inspections every five years to ensure its safety and integrity. The dam is equipped with an uncontrolled spillway with a width of 12 feet, and it is situated on TR-Bay Branch, a tributary in Guthrie County, Iowa. With Cindy Axne (D) as the congressional representative for the area, Bays Branch serves as a valuable resource for the local community and visitors alike, showcasing the importance of sustainable water management practices in the region.

As a key feature in the landscape of Redfield, Iowa, Bays Branch not only provides recreational opportunities but also serves as a vital component of water resource infrastructure in the area. With its moderate risk assessment and satisfactory condition, this Earth dam continues to play a crucial role in local water management efforts. Its storage capacity, surface area, and drainage area contribute to the overall resilience of the region's water resources, making Bays Branch a noteworthy site for water resource and climate enthusiasts to explore and appreciate.