Walker Dam, located in Des Moines, Iowa, is a private water resource structure designed by the USDA NRCS with a primary purpose of fire protection, stock, or small fish pond. Completed in 1985, this earth dam stands at 38 feet tall and spans 145 feet in length, with a storage capacity of 20 acre-feet and a low hazard potential. The dam is state-regulated by the Iowa Department of Natural Resources, with inspections, permitting, and enforcement all handled at the state level.

Situated on the TR-Mississippi River, Walker Dam serves as a crucial water management tool for the community of Kingston, providing irrigation and recreational opportunities while also mitigating flood risks. Although the dam has not been rated for condition assessment, it is considered to have a moderate risk level. The structure features an uncontrolled spillway and soil foundation, reflecting its simple yet effective design for managing water flow in the area.

For water resource and climate enthusiasts, Walker Dam represents a noteworthy example of a privately-owned earth dam that plays a vital role in water conservation and management in Iowa. With its strategic location and purposeful design, the dam serves as a testament to the importance of sustainable water infrastructure for both agricultural and environmental purposes in the region.