Located in Ringgold County, Iowa, the East Fork Grand River Watershed Site A-73 is a grade stabilization structure designed by the USDA NRCS in 2001. This earth dam stands at 27 feet high and spans 537 feet in length, with a storage capacity of 63 acre-feet. The primary purpose of this structure is to control erosion and stabilize the grade of the Tr- East Fork Grand River, making it a crucial asset for water resource management in the area.

Managed by the Iowa Department of Natural Resources, this dam is regulated, permitted, inspected, and enforced by state authorities 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-73 plays a key role in mitigating flood risks and protecting the surrounding area from potential water-related disasters. Despite not being condition-rated, this structure serves as a vital component of the local water infrastructure.

As part of the Rock Island District, this site is not operated by the US Army Corps of Engineers, but it remains a significant feature in the local water management system. With its strategic location and purposeful design, the East Fork Grand River Watershed Site A-73 stands as a testament to the collaborative efforts of various agencies in safeguarding water resources and addressing climate challenges in the region.