The Scanlon East Zigzag Plug Dam, located in Scanlon, Minnesota, is a gravity dam primarily used for hydroelectric purposes. Completed in 1922, this structure stands at 15 feet tall and spans 120 feet in length, with a storage capacity of 876 acre-feet. Situated on the St. Louis River within the Carlton County, the dam is regulated by the Minnesota Department of Natural Resources and inspected by the Federal Energy Regulatory Commission.

Despite its low hazard potential, the dam's risk assessment categorizes it as high, indicating the need for effective risk management measures. The dam has three associated structures and is subject to regular inspections, with the last one conducted in July 2019. While the condition assessment of the dam is not currently available, emergency action plans have been prepared and updated to ensure readiness in case of any unforeseen events.

As a vital component of the region's water resource infrastructure, the Scanlon East Zigzag Plug Dam serves as a crucial source of hydroelectric power and contributes to the overall water management system in the area. With its rich history and ongoing regulatory oversight, this dam plays a significant role in the sustainable utilization of water resources and highlights the importance of effective dam maintenance and risk management practices for ensuring public safety and environmental protection.