Buck Dam, located in Marshall, Iowa, along TR-Clear Creek, serves multiple purposes including fire protection and creating a stock or small fish pond. Constructed in 1968 by the USDA NRCS, this earth dam stands at 25 feet high and stretches 216 feet in length. With a storage capacity of 34 acre-feet, the dam covers a surface area of 2.8 acres and has a drainage area of 0.17 square miles.

Managed by a private entity, Buck Dam falls under the regulatory jurisdiction of the Iowa Department of Natural Resources, which ensures that the dam is regularly inspected, permitted, and enforced for compliance with safety standards. The dam has a low hazard potential and a moderate risk assessment score of 3, indicating a need for ongoing risk management measures. The spillway type is uncontrolled, with no outlet gates for discharge.

Despite being located in a rural area, Buck Dam plays a crucial role in water resource management and climate resilience in the region. As a key structure for fire protection and water storage, it highlights the importance of sustainable dam infrastructure for both human and environmental well-being. With its historical significance and continued functionality, Buck Dam stands as a testament to the vital role that dams play in maintaining water resources and adapting to changing climate conditions.