Holden Dam, located in Riverside, Iowa, is a private dam built in 2000 for fire protection and as a stock or small fish pond. The earth dam stands at a height of 48 feet with a length of 590 feet, creating a storage capacity of 562 acre-feet and a surface area of 27.4 acres. The dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspection, maintenance, and enforcement to ensure its safety and functionality.

Despite being classified as low hazard potential, Holden Dam is considered to have a moderate risk level, indicating potential risks that need to be managed. While the condition assessment is currently not rated, the dam meets state permitting and inspection requirements. The dam's primary purpose and design, along with its location on TR-Devils Run, make it a crucial component for water resource management and climate resilience in the area. With its controlled spillway and soil foundation, the dam serves as a vital structure for water storage and management in Iowa.

Holden Dam's association with Warner Engineering and the Detroit District of the US Army Corps of Engineers highlights its importance in the local ecosystem and water infrastructure. With a focus on emergency preparedness and risk management, the dam plays a key role in ensuring water availability and flood protection in the region. For water resource and climate enthusiasts, Holden Dam represents a fascinating intersection of engineering, environmental stewardship, and water management practices that contribute to sustainable development and resilience in Iowa's water systems.