Yahnke Dam, located in Davis County, Iowa, is a privately owned earth dam constructed in 1970 for fire protection, stock, and small fish pond purposes. The dam, designed by USDA NRCS, stands at a height of 30 feet and spans a length of 280 feet, with a storage capacity of 40 acre-feet. Situated on the TR-South Chequest River, the dam has a low hazard potential and a moderate risk assessment rating of 3.

Managed by the Iowa Department of Natural Resources, Yahnke Dam is regulated, permitted, inspected, and enforced by state authorities. While the dam's condition is currently not rated, it meets guidelines for emergency action planning and is equipped with an uncontrolled spillway. The surrounding area has a surface area of 2 acres and a drainage area of 0.08 square miles, making it a crucial water resource for the local community.

Furthermore, Yahnke Dam falls under the jurisdiction of the Kansas City District of the US Army Corps of Engineers and is not federally owned. With its strategic location and purposeful design, the dam serves as a vital asset for water resource management and climate resilience in the region, ensuring the safety and sustainability of the surrounding ecosystem.