Frd No 30-21, located in Volland, Kansas, is a local government-owned earth dam constructed in 1979 for flood risk reduction along the West Branch Mill Creek. Designed by Hubert Caspar, Jr., this dam stands at a height of 34 feet with a length of 460 feet, providing storage capacity of 301 acre-feet. With a low hazard potential and moderate risk assessment, the dam is regulated, inspected, and enforced by the Kansas Department of Agriculture, ensuring its structural integrity and safety for the surrounding community.

Despite not having outlet gates, Frd No 30-21 features an uncontrolled spillway with a width of 40 feet to manage excess water flow during heavy rainfall events. The dam's purpose solely focuses on flood risk reduction, serving the primary function of protecting the area from potential flooding hazards. With its location in Wabaunsee County, Kansas, this dam plays a crucial role in safeguarding the local environment and maintaining water resources in the region. As a key piece of infrastructure, Frd No 30-21 represents a significant investment in water management and climate resilience for the community.

Overall, Frd No 30-21 serves as a vital flood control structure in Kansas, contributing to the overall water resource management efforts in the region. With its low hazard potential and moderate risk assessment, this earth dam plays a crucial role in protecting the surrounding area from potential flooding events. Managed and regulated by the Kansas Department of Agriculture, Frd No 30-21's design and construction by Hubert Caspar, Jr. highlight the importance of effective infrastructure planning for climate resilience and water resource sustainability in the face of changing environmental conditions.