Located in Dumont, Iowa, the Gillette-Schoning-Ammerman Dam is a privately owned structure designed by Yaggy Colby and completed in 2011. With a height of 13 feet and a storage capacity of 190 acre-feet, this earth dam serves the primary purpose of water resource management in the area. The dam's low hazard potential and moderate risk assessment make it a crucial asset for ensuring water availability and mitigating potential flooding risks in the region.

Managed by the Iowa Department of Natural Resources, the Gillette-Schoning-Ammerman Dam is regulated, inspected, and enforced to meet state standards for safety and environmental protection. The dam features an uncontrolled spillway with a width of 50 feet, contributing to its efficient water discharge capabilities. Despite its relatively small surface area of 13.5 acres, the dam plays a significant role in managing the drainage area of 3.03 square miles, highlighting its importance in water conservation efforts and climate resiliency.

With its strategic location and modern design, the Gillette-Schoning-Ammerman Dam stands as a vital infrastructure for water resource management in Franklin County, Iowa. As a key component of the local water infrastructure, this dam plays a crucial role in regulating water flow, storing essential water resources, and minimizing flood risks in the region. By meeting state regulatory standards and undergoing regular inspections, the dam ensures the safety and sustainability of water resources for the community, making it a valuable asset for water resource and climate enthusiasts.