Located in Union County, Iowa, the East Fork Grand River Watershed Site A-36 is a Grade Stabilization dam constructed in 2001 by the USDA NRCS. The dam, standing at a height of 22 feet and with a length of 558 feet, serves the primary purpose of Grade Stabilization. Situated on Tr- Hachberry Creek, the dam has a drainage area of 0.18 square miles and a storage capacity of 61 acre-feet, providing essential flood control and water resource management for the surrounding area.

Managed by the Iowa Department of Natural Resources, this dam is regulated and inspected regularly to ensure its safety and functionality. With a low hazard potential and a moderate risk assessment rating, the East Fork Grand River Watershed Site A-36 plays a crucial role in reducing the risk of flooding and protecting the local ecosystem. Despite its remote location in the State of Missouri, this dam serves as a vital infrastructure for water resource enthusiasts and climate advocates alike.

Overall, the East Fork Grand River Watershed Site A-36 is a significant earth dam that contributes to the sustainable management of water resources in the region. With its controlled spillway and soil foundation, this dam exemplifies effective engineering practices for Grade Stabilization purposes. As a key feature in the Rock Island District, this dam underscores the importance of infrastructure in mitigating flood risks and enhancing water quality for the community.