Frd No 11, located in Longton, Kansas, is a local government-owned dam designed by the USDA NRCS with a primary purpose of flood risk reduction. Completed in 1979, this earth dam stands at a height of 37.4 feet and has a length of 700 feet, providing a storage capacity of 999.9 acre-feet and a drainage area of 2.19 square miles. The dam's spillway, with a width of 40 feet, is uncontrolled, and the hazard potential is rated as low.

Despite its low hazard potential, Frd No 11 is considered to have a moderate risk level, indicating a potential for adverse consequences in the event of failure. While the dam's condition assessment is currently not rated, it is subject to state regulation, inspection, and enforcement by the Kansas Department of Agriculture. With a focus on flood risk reduction, this dam plays a crucial role in managing water resources and mitigating the impact of extreme weather events in the Hitchen Creek-TR watershed.

As a key infrastructure for water resource management in Elk County, Kansas, Frd No 11 serves as a vital component of the local flood control system. With its strategic location and design features, this dam contributes to the overall resilience of the community by reducing the risk of flooding and protecting downstream areas. As climate change continues to pose challenges to water management, the importance of structures like Frd No 11 in safeguarding communities and natural resources only grows in significance.