Holm Dam is a privately owned structure located in Cedar River, Iowa, with a primary purpose of fire protection, stock, or small fish pond. Built in 1969 by USDA SCS, this earth dam stands at a height of 20 feet and spans a length of 502 feet, providing a storage capacity of 50 acre-feet. Situated on the TR-Beaver Creek, the dam is regulated by the Iowa DNR and has state permitting, inspection, and enforcement in place, ensuring its safety and compliance with regulations. Despite its low hazard potential, a moderate risk assessment of 3 has been assigned to the dam.

The dam's location in Butler County, Iowa, makes it a vital resource for water management in the region. With a surface area of 3 acres and a drainage area of 0.21 square miles, Holm Dam plays a crucial role in providing water for fire protection and supporting local aquatic life. While the dam has an uncontrolled spillway and no outlet gates, its construction and design by USDA SCS reflect a commitment to effective water resource management and conservation.

As a focal point for water enthusiasts and climate advocates, Holm Dam stands as a testament to the importance of sustainable water infrastructure. Its modest size and purpose may belay its significance, but the dam serves as a reminder of the interconnectedness of water resources and the environment. With proper regulation and maintenance in place, Holm Dam continues to be a valuable asset for the community, supporting both practical needs and ecological diversity in the Cedar River area.