Minntac Tailings, located in St. Louis County, Minnesota, is a crucial component of the mining industry in the region. Completed in 1978, this Earth-type dam stands at a height of 50 feet and spans an impressive length of 63,360 feet. With a storage capacity of 143,000 acre-feet, it serves as a repository for tailings from mining operations, essential for environmental management and sustainability.

Owned privately and regulated by the Minnesota Department of Natural Resources, Minntac Tailings plays a vital role in the closed system of the region, ensuring safe disposal of mining byproducts. With low hazard potential and a satisfactory condition assessment as of 2013, the dam has been subject to regular inspections to maintain its integrity and safety standards. In the event of any emergency, the dam operators are well-prepared to handle any potential risks, keeping local residents and the environment protected.

Despite being a man-made structure, Minntac Tailings seamlessly integrates with the natural landscape, showcasing the importance of responsible water resource management in the context of mining activities. With its efficient design and operational protocols, the dam stands as a testament to the industry's commitment to environmental stewardship and sustainability. Climate enthusiasts and water resource advocates can appreciate the intricate balance between resource extraction and conservation embodied by Minntac Tailings, setting a standard for responsible practices in the mining sector.