Horton Dam, located in Roberts, South Dakota, is a privately owned earth dam that was completed in 1978. With a height of 16 feet and a storage capacity of 160 acre-feet, this dam serves as a crucial water resource for the surrounding area. The dam is situated on Tributary Agency Creek and is under the jurisdiction of the South Dakota Department of Environment and Natural Resources.

Despite being classified as having a low hazard potential and currently not rated for its condition, Horton Dam plays a significant role in water management and flood control in the region. With a maximum discharge capacity of 2100 cubic feet per second, this dam ensures the safety and stability of the local environment. Although specific details about its purposes and associated structures are limited, Horton Dam remains a key infrastructure for water resource management in South Dakota.

As a part of the Omaha District, Horton Dam is subject to state regulations, inspections, and enforcement to ensure its continued functionality and safety. While information regarding its emergency preparedness and risk assessment is currently unavailable, the dam's presence and operation contribute to the overall water resource management efforts in the state. For water resource and climate enthusiasts, Horton Dam represents a crucial piece of infrastructure that is essential for maintaining the balance of water resources in South Dakota.