Reynolds Dam, located in Warren County, Iowa, is a privately owned earth dam with a primary purpose of providing fire protection, stock, or a small fish pond. Completed in 1979 by the USDA NRCS, this dam stands at a height of 26 feet and has a storage capacity of 47 acre-feet. With a surface area of 3.4 acres and a drainage area of 0.21 square miles, Reynolds Dam serves as a vital resource for water management in the region.

Managed by the Iowa Department of Natural Resources, Reynolds Dam is regulated, inspected, and enforced by state agencies to ensure its structural integrity and compliance with safety standards. Despite its low hazard potential, the dam is classified as having a moderate risk level, highlighting the importance of ongoing risk assessment and management measures. The dam's location at the Red Rock Reservoir, along the TR-Flank Creek, contributes to its significance for water resource and climate enthusiasts interested in the impact of dams on local ecosystems and water supply.

Overall, Reynolds Dam plays a crucial role in water conservation, flood control, and wildlife habitat enhancement in the region. Its construction and management reflect a commitment to sustainable water resource practices and highlight the importance of maintaining and monitoring dams to ensure the safety and well-being of surrounding communities and ecosystems. For water resource and climate enthusiasts, Reynolds Dam serves as a case study in the intersection of infrastructure development, environmental stewardship, and water resource management.