Frd No M-3, also known as Walnut Creek Watershed Dam M 3, is a vital structure in the Brown County of Kansas, owned by the local government and regulated by the Kansas Department of Agriculture. Completed in 1966 by the USDA NRCS, this earth dam stands at a height of 42 feet and serves the primary purpose of flood risk reduction along the Mulberry Creek-TR. With a storage capacity of 1747 acre-feet and a drainage area of 3.94 square miles, Frd No M-3 plays a significant role in mitigating potential hazards and ensuring the safety of the surrounding communities.

Despite its fair condition assessment, Frd No M-3 is classified as having a high hazard potential, emphasizing the importance of regular inspections and maintenance. The dam features an uncontrolled spillway with a width of 400 feet and operates under the oversight of the Kansas City District. With a maximum discharge capacity of 13180 cubic feet per second, this structure is well-equipped to handle significant water flow during heavy rainfall events. As a crucial component of the local water resource infrastructure, Frd No M-3 continues to play a critical role in protecting lives and property from flooding risks in the region.

Water resource and climate enthusiasts will appreciate the engineering details of Frd No M-3, including its buttress core type and uncontrolled spillway design. The dam's location in Padonia, Kansas, highlights its strategic placement within the Walnut Creek Watershed for effective flood management. With a moderate risk assessment rating and a history of serving the community for over five decades, Frd No M-3 stands as a testament to the importance of proactive dam safety measures in safeguarding against natural disasters and ensuring sustainable water resource management.