Dd No 5, located in Lyon County, Kansas, is a local government-owned dam designed by King Engineering Assoc. and completed in 1991 for the primary purpose of flood risk reduction. With a height of 24.6 feet and a length of 940 feet, this earth dam has a storage capacity of 687.2 acre-feet and serves to control debris and reduce flood risks in the Eagle Creek-TR watershed.

Despite being classified as having a low hazard potential and a moderate risk assessment, Dd No 5 is regulated, permitted, inspected, and enforced by the Kansas Department of Agriculture. The dam features an uncontrolled spillway with a width of 50 feet and has not been modified since its completion. It does not have any outlet gates or associated structures, and its condition assessment remains unrated.

Water resource and climate enthusiasts will appreciate the data on Dd No 5 for its significance in managing flood risks in the region. This dam plays a crucial role in protecting the surrounding area from potential inundation, demonstrating the importance of proper infrastructure design and maintenance in mitigating natural disasters and ensuring water resource sustainability.