Iowa Noname59 is a dam located in Rathbun Reservoir, Wayne County, Iowa, serving as a crucial water resource for fire protection, livestock, and small fish ponds. It was completed in 1967 and is owned by the local government, with oversight from the Iowa Department of Natural Resources. Designed by the USDA NRCS, this earth dam stands at 29 feet high and spans 490 feet in length, with a storage capacity of 46 acre-feet and a surface area of 3.4 acres.

The dam's primary purpose is to provide essential water supply for various uses, including fire protection and stock watering. Despite being classified as low hazard potential with a moderate risk assessment, its condition remains unrated. With state regulation, permitting, inspection, and enforcement in place, the Iowa Noname59 dam is well-maintained and meets safety guidelines. It plays a critical role in managing water resources in the area, ensuring sustainable usage for the surrounding community and ecosystems.

Located along the TR-Chariton River and within the Rock Island District, Iowa Noname59 contributes to water management efforts in the region. With a focus on environmental conservation and water supply sustainability, the dam serves as a vital infrastructure for both human and ecological needs. As a point of interest for water resource and climate enthusiasts, this dam exemplifies responsible water resource management practices in Iowa, highlighting the importance of balancing human needs with environmental preservation.