East Fork Grand River Watershed Site A-87 is a flood risk reduction structure located in Ringgold County, Iowa, near the city of State of Missouri. Built in 2007 by the USDA NRCS, this earth dam stands at a height of 28 feet and spans 530 feet in length. The primary purpose of this structure is to mitigate flood risks in the area, with a normal storage capacity of 55 acre-feet.

Managed by the Iowa DNR, this site is state-regulated and follows strict inspection, permitting, and enforcement protocols to ensure its functionality. With a low hazard potential and a moderate risk assessment rating, East Fork Grand River Watershed Site A-87 is a crucial piece of infrastructure in the region's water resource management. Its spillway type is uncontrolled, with a spillway width of 20 feet, serving a drainage area of 0.17 square miles.

Despite being rated as "Not Rated" in terms of condition assessment, this structure plays a vital role in protecting the surrounding area from potential flooding events. With its strategic location and design, East Fork Grand River Watershed Site A-87 stands as a testament to the importance of effective water resource management and climate resilience efforts in the face of changing environmental conditions.