East Fork Grand River Watershed Site D-74 is a grade stabilization dam located in Ringgold County, Iowa, along Tr- South Creek. Constructed in 2002 by the USDA NRCS, this earth dam stands at a height of 25 feet and spans 511 feet in length, with a storage capacity of 54 acre-feet and a drainage area of 0.16 square miles. The dam serves the primary purpose of grade stabilization and is regulated by the Iowa DNR, with state permitting, inspection, and enforcement in place.

This site, managed by the local government, has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. While the dam's emergency action plan status and risk assessment have not been specified, it is considered to have a moderate risk level. With a spillway type of "Uncontrolled" and a surface area of 2.8 acres, East Fork Grand River Watershed Site D-74 plays a crucial role in managing water resources and mitigating flood risks in the region. Water resource and climate enthusiasts will find this site to be a significant part of the overall watershed management strategy in the area.