Located in Allen County, Kansas, the Dd No A-6 dam serves as a vital structure for flood risk reduction along the Marmaton River. Built in 1989, this earth dam stands at a height of 19.5 feet and spans a length of 1125 feet, providing storage of up to 238 acre-feet of water for the surrounding area. Despite its low hazard potential, the dam is regulated and inspected by the Kansas Department of Agriculture to ensure its safety and functionality.

Owned and operated by the local government, Dd No A-6 is designed by AG Engineering Assoc. and falls under the jurisdiction of the state of Kansas. With a primary purpose of flood risk reduction, the dam has a spillway width of 50 feet and a surface area of 7.2 acres. Although its condition assessment is currently not rated, the risk assessment for Dd No A-6 is moderate, indicating the need for ongoing monitoring and potential risk management measures. Overall, this dam plays a crucial role in protecting the Uniontown community and surrounding areas from the impacts of flooding.