Dd No Ii-4 is a local government-owned dam in Fort Scott, Kansas, designed for flood risk reduction along Mill Creek. The earth dam stands at 31 feet tall and stretches 840 feet in length, with a storage capacity of 1014 acre-feet. Despite its uncontrolled spillway type and low hazard potential, the dam is regulated, inspected, and enforced by the Kansas Department of Agriculture, ensuring its structural integrity and public safety.

Located within the Tulsa District of the US Army Corps of Engineers, Dd No Ii-4 is a crucial component of the region's flood control infrastructure. The dam's primary purpose aligns with its flood risk reduction capabilities, serving as a protective barrier for surrounding communities and agricultural lands. With a moderate risk assessment rating of 3, the dam presents a manageable level of risk that can be mitigated through appropriate risk management measures.

While Dd No Ii-4 has not been rated for its condition, its functionality and importance in mitigating flood risks make it an essential asset for water resource and climate enthusiasts. With a storage capacity of 1014 acre-feet and a strategic location within Bourbon County, Kansas, this dam plays a critical role in safeguarding the local area from potential inundation and water-related hazards.