Moulton Watershed Site B-9, located in Sedan, Iowa, is a key flood risk reduction structure managed by the local government and regulated by the Iowa Department of Natural Resources. Designed by USDA NRCS, USDA SCS & CO Engineer, this earth dam stands at a height of 22 feet and was completed in 1963 to protect the surrounding area from potential flooding along the TR-Chariton River. With a storage capacity of 61 acre-feet and a drainage area of 0.22 square miles, this structure plays a vital role in managing water resources in the region.

Despite being classified as having a low hazard potential and a moderate risk assessment, Moulton Watershed Site B-9 has not been rated for its current condition. The dam's spillway type is uncontrolled, and it has not been modified in recent years. Located in Appanoose County, this structure covers a surface area of 3 acres and serves as a critical component of the local water management system. With its primary purpose being flood risk reduction, this dam plays a crucial role in safeguarding the community against potential water-related disasters.

While Moulton Watershed Site B-9 has not been inspected or assessed for its emergency action plan readiness, it remains a key infrastructure for water resource management in the region. With its historical significance dating back to the 1960s, this earth dam continues to provide essential flood protection for the residents of Sedan, Iowa, and underscores the importance of proactive water resource planning and management in the face of changing climate patterns.