Frd No S-2, also known as Walnut Creek Watershed Dam S 2, is a dam located in Padonia, Kansas, within Brown County. Built in 1963 by the USDA NRCS, this earth dam stands at a height of 40 feet and serves primarily for flood risk reduction along Spring Creek. With a storage capacity of 670 acre-feet, the dam covers a surface area of 17.38 acres and drains a 2.73-square-mile watershed.

Managed by the local government, Frd No S-2 is regulated and inspected by the Kansas Department of Agriculture to ensure its structural integrity and safety. With a low hazard potential and a moderate risk assessment rating, this dam plays a crucial role in protecting the surrounding area from flood events. Although not currently rated in terms of condition assessment, the dam's purpose remains focused on flood risk reduction, highlighting its importance in the region's water resource management strategy.

Overall, Frd No S-2 stands as a key structure in the Kansas City District's flood risk reduction efforts, showcasing the collaborative efforts between local and state agencies to safeguard communities and infrastructure from potential disasters. As water resource and climate enthusiasts continue to monitor and analyze such structures, Frd No S-2 serves as a notable example of sustainable infrastructure designed to mitigate the impacts of extreme weather events in the region.