Frd No 4 is a flood risk reduction dam located in Lyon County, Kansas, near the John Redmond Reservoir. Built in 1985, this earth dam stands at a height of 24 feet and stretches 1320 feet in length. With a storage capacity of 789 acre-feet, the dam serves the primary purpose of flood risk reduction along the South Eagle Creek.

Managed by the local government and regulated by the Kansas Department of Agriculture, Frd No 4 has a low hazard potential and a moderate risk assessment level. Despite not currently being rated for its condition, the dam has not undergone any significant modifications since its completion. The spillway, with a width of 40 feet, is uncontrolled, and the dam does not have any outlet gates.

For water resource and climate enthusiasts, Frd No 4 serves as a vital infrastructure for flood risk management in the region. With its location near the John Redmond Reservoir and the South Eagle Creek, this dam plays a crucial role in protecting the surrounding area from potential flooding events. As it continues to be regulated and inspected by state authorities, Frd No 4 stands as a testament to the importance of proactive measures in safeguarding communities against natural disasters.