Iowa Noname88 is a local government-owned earth dam located in Appanoose County, Iowa, specifically in the city of Sedan. Completed in 1978 for fire protection, stock, and small fish pond purposes, this dam stands at a height of 30 feet and stretches 500 feet in length. With a normal storage capacity of 17 acre-feet and a maximum storage of 73 acre-feet, the dam serves as a crucial water resource in the area.

Managed by the Iowa Department of Natural Resources, Iowa Noname88 is regulated, permitted, inspected, and enforced by state authorities to ensure its safety and compliance with regulations. The dam poses a low hazard potential and has been rated as in moderate risk, indicating the need for ongoing risk management measures. Although the condition assessment is currently not rated, the dam's emergency action plan status, inundation maps, and risk management strategies are under review to meet guidelines and improve overall safety.

Situated along the TR-Brush Creek and under the jurisdiction of the Rock Island District, Iowa Noname88 serves as a vital infrastructure for water conservation and management in the region. With its strategic location and purpose, this dam plays a crucial role in maintaining water resources, protecting against emergencies, and supporting the local ecosystem.