East Fork Grand River Watershed Site D-78 is a crucial component in the flood risk reduction efforts in the state of Iowa. Owned by the local government and regulated by the Iowa DNR, this earth dam stands at a height of 25 feet and spans a length of 520 feet. Completed in 2007, the dam has a storage capacity of 131 acre-feet and serves the primary purpose of flood risk reduction along the Tr-South Creek.

Located in Ringgold County, Iowa, this dam is designed by USDA NRCS and funded by the Natural Resources Conservation Service. With a low hazard potential and a moderate risk assessment rating, this site plays a key role in mitigating potential flooding impacts in the area. Equipped with an uncontrolled spillway and a spillway width of 30 feet, the dam has not been rated for its condition assessment but is regularly inspected and maintained by the state agency.

Overall, East Fork Grand River Watershed Site D-78 is a vital infrastructure for managing water resources in the region and ensuring the safety of local communities against flood events. With its strategic location and design features, this dam exemplifies the collaborative efforts between local and state agencies in safeguarding the environment and enhancing climate resilience in the face of changing weather patterns.