Buckmaster is a privately-owned earth dam located in Allamakee, Iowa, near the Mississippi River. Built in 1967 by the USDA NRCS, the dam's primary purpose is grade stabilization, with a height of 35 feet and a length of 411 feet. The dam has a low hazard potential and a moderate risk assessment rating of 3, with uncontrolled spillways and outlet gates.

The dam has a storage capacity of 27 acre-feet and covers a surface area of 5 acres, serving a drainage area of 0.75 square miles. Despite its age, the condition assessment of Buckmaster is not available, with no recent inspection data provided. The dam is not under the jurisdiction of any state regulatory agency and does not have specific enforcement or inspection protocols in place.

As an important structure for managing water resources in the area, Buckmaster plays a crucial role in grade stabilization and flood control along the Tr- Mississippi River. With its unique design by the USDA NRCS and its location in a critical watershed, Buckmaster serves as a valuable asset for water resource and climate enthusiasts interested in understanding and protecting the region's hydrological infrastructure.