Dd No 4 (Martin) is a dam located in Coffey County, Kansas, along the Big Creek-TR. Owned by the local government and regulated by the Kansas Department of Agriculture, this earth dam was completed in 1982 for flood risk reduction purposes. Standing at a height of 19 feet and stretching 720 feet in length, Dd No 4 (Martin) has a storage capacity of 706.94 acre-feet and a normal storage volume of 52.88 acre-feet.

With a low hazard potential and a moderate risk assessment rating, Dd No 4 (Martin) has not been rated for its condition assessment. The dam has a spillway width of 40 feet and a maximum discharge capacity of 1543 cubic feet per second. Although it lacks outlet gates, the dam is inspected regularly by the state regulatory agency to ensure its safety and effectiveness in flood risk reduction. While the dam has not been modified in recent years, it serves as a vital infrastructure for managing water resources in the region and protecting the surrounding communities from potential flooding events.

Overall, Dd No 4 (Martin) plays a crucial role in reducing flood risks in Coffey County, Kansas, and is a key component of the local water resource infrastructure. With its modest size and capacity, the dam continues to be an important asset for the community, ensuring the safety and well-being of residents living along the Big Creek-TR. As climate change continues to impact water resources and weather patterns, the maintenance and monitoring of dams like Dd No 4 (Martin) become increasingly essential for sustainable water management and climate resilience efforts in the region.