Mckinley Tailings is a private earth dam located in St. Louis County, Minnesota, with a primary purpose of tailings storage. Completed in 1967, this dam stands at a height of 36 feet and spans a length of 8000 feet. While it has a low hazard potential and has not been rated for its condition, the dam is monitored with inspections every four years.

Situated in a closed system near a river or stream, the Mckinley Tailings dam serves as a vital structure for storing tailings in the region. Despite not being regulated or permitted by the state, this dam plays a crucial role in managing water resources in the area. With a capacity of 2880 acre-feet, the dam is essential for storing and controlling water flow in the vicinity.

While the Mckinley Tailings dam may not have a high hazard potential, it remains an important structure for water resource management in Minnesota. With a history dating back to 1967, this earth dam continues to provide essential services for the local residents and industries in the region. Its regular inspections and maintenance ensure the safety and functionality of this crucial infrastructure.