The Newquist Grade Stabilization Structure, located in Fairfield, Iowa, is a private-owned earth dam designed by USDA NRCS to address flood risk reduction and grade stabilization along a tributary to Buckeye Creek. Completed in 2011, this structure stands at 27 feet high and stretches 569 feet in length, with a storage capacity of 612 acre-feet and a drainage area of 2.2 square miles. Despite being categorized with a low hazard potential and not yet rated for condition assessment, the dam serves a crucial role in protecting the surrounding area from potential flooding events.

Operated under state jurisdiction by the Iowa DNR, the Newquist Grade Stabilization Structure undergoes regular state permitting, inspection, and enforcement to ensure its safety and effectiveness. With a primary purpose of grade stabilization, the dam contributes to the overall flood risk reduction efforts in the region. Although lacking detailed information on emergency action plans and risk management measures, the structure remains a key component in the local water resource management system, providing essential protection to the community and environment.

Situated in Wapello County, Iowa, the Newquist Structure plays a vital role in managing water flow and reducing the risk of flooding in the area. With a close proximity to the Rock Island District, this earth dam serves as a valuable asset in safeguarding the local community against potential water-related hazards. As water resource and climate enthusiasts, the Newquist Grade Stabilization Structure stands as a testament to the importance of sustainable infrastructure in mitigating the impacts of extreme weather events and ensuring the resilience of our natural environment.