Located in Ringgold County, Iowa, the East Fork Grand River Watershed Site B-51 is a local government-owned site managed by the USDA NRCS. This flood risk reduction structure, completed in 2004, is designed to regulate water levels along the TR- East Fork Grand River. With a dam height of 31 feet and a length of 544 feet, the site has a storage capacity of 131 acre-feet and covers a surface area of 6.7 acres.

Managed by the Iowa DNR, the East Fork Grand River Watershed Site B-51 is regulated, permitted, inspected, and enforced by state agencies to ensure its structural integrity and proper functioning. The dam is primarily made of earth and sits on a soil foundation, with an uncontrolled spillway type. Although it is classified as having a low hazard potential, the site is considered to have a moderate risk level (3) based on a risk assessment.

For water resource and climate enthusiasts, the East Fork Grand River Watershed Site B-51 provides a fascinating example of sustainable water management practices in action. As a key component in flood risk reduction efforts, this structure plays a crucial role in protecting the surrounding area from potential water-related hazards. With its state-of-the-art design and regular inspections, the site showcases the importance of proactive measures in ensuring the safety and resilience of water infrastructure in the face of changing climate conditions.