Plummer Basin East Tailings, also known as East Plummer Basin Dam, is a private-owned structure located in Itasca, Minnesota. Constructed in 1956 by MAGNETATION, this dam serves the primary purpose of storing tailings. With a height of 50 feet and a storage capacity of 8,000 acre-feet, the dam is designed as a buttress type with a controlled spillway system. Despite its low hazard potential and a very high risk assessment rating, the dam has not been officially rated for its condition as of the last inspection in June 2016.

Situated on the Swan River-OS, this dam plays a crucial role in managing water resources in the area. It is regulated by the Minnesota Department of Natural Resources, which oversees its permitting, inspection, and enforcement activities. While it has not been modified in recent years, its risk management measures and emergency preparedness plans are not clearly defined. With its unique design and historical significance, the Plummer Basin East Tailings serve as a key feature in the local water infrastructure landscape.

For water resource and climate enthusiasts, the Plummer Basin East Tailings offer a fascinating case study in dam engineering and management. Its location in a scenic area of Minnesota, coupled with its functional purpose of storing tailings, presents a unique blend of environmental and industrial significance. As efforts continue to assess and manage its risk potential, this dam remains a focal point for understanding the intersection of water resource management and infrastructure development in the region.