Smith (Steve) Dam, located in Iowa's Harrison County near Missouri Valley, serves as a vital structure for flood risk reduction along a tributary to Willow Creek. Completed in 2011 by the USDA NRCS, this private-owned earth dam stands at a height of 34 feet and spans 600 feet, with a storage capacity of 103 acre-feet. Despite its low hazard potential, the dam plays a crucial role in protecting the surrounding area from potential flooding events.

In addition to flood risk reduction, Smith (Steve) Dam also serves multiple purposes, including fish and wildlife pond creation, grade stabilization, and recreational activities for the local community. With a surface area of 5 acres and a drainage area of 0.37 square miles, the dam offers a tranquil setting for outdoor enthusiasts while supporting the conservation of natural resources. The dam's uncontrolled spillway, with a width of 20 feet, ensures proper water management during periods of high discharge.

Although the dam's condition assessment is currently not rated, its risk assessment is deemed moderate. The Iowa DNR oversees state regulation, permitting, inspection, and enforcement activities related to Smith (Steve) Dam, ensuring compliance with safety standards and environmental guidelines. With its strategic location and multi-functional design, Smith (Steve) Dam stands as a testament to effective water resource management and climate resilience efforts in the region.