Pierce Creek No 1 Watershed Site 10, located in Shenandoah, Iowa, is a critical water resource managed by the local government. Built in 1969 by the USDA NRCS, this earth dam stands at a height of 42 feet and spans 963 feet, providing fire protection, stock, and small fish pond services. With a storage capacity of 1242 acre-feet and a drainage area of 4.53 square miles, the dam serves multiple purposes such as flood risk reduction and recreation.

Despite its significant hazard potential, Pierce Creek No 1 Watershed Site 10 has been assessed as satisfactory and is inspected every 5 years by the Iowa DNR. With a moderate risk assessment rating, the dam's condition is deemed to be stable, meeting regulatory guidelines for safety and effectiveness. While the dam's spillway is uncontrolled and the maximum discharge is not specified, its strategic location on the TR-East Nishnabotna River ensures efficient water management and protection for surrounding communities. As a valuable asset in water resource management, this site exemplifies the importance of sustainable infrastructure for climate resilience.