Located in Ankeny, Iowa, the Prairie Trail Development - South Dam is a vital infrastructure designed by NILLES & ASSOCIATES for flood risk reduction along TR- SAYLOR CREEK. Completed in 2008, this earth dam stands at a height of 31 feet and spans 610 feet in length, providing a maximum storage capacity of 114 acre-feet. With a primary purpose of flood risk reduction, this dam also serves fire protection and functions as a stock or small fish pond.

Regulated by the Iowa Department of Natural Resources (DNR), the Prairie Trail Development - South Dam is classified as having a significant hazard potential and a moderate risk assessment rating. Although the condition assessment is not rated, the dam is regularly inspected, permitted, and enforced for safety compliance. With a spillway width of 20 feet and uncontrolled spillway type, this dam plays a crucial role in managing water resources and mitigating potential flooding risks in the region.

Owned by a combination of local government and private entities, the Prairie Trail Development - South Dam exemplifies collaborative efforts in water resource management. Serving as a key feature in the region's infrastructure, this dam underscores the importance of sustainable development and climate resilience in safeguarding communities against the impacts of extreme weather events.