Hunner Tailings, located in La Prairie, Minnesota, is a local government-owned dam that was completed in 1956 for the primary purpose of tailings storage. This earth dam stands at a height of 25 feet and stretches 8,800 feet in length, with a storage capacity of 3,750 acre-feet. The dam is regulated by the Minnesota Department of Natural Resources and undergoes regular inspections to ensure its structural integrity. Despite being classified as low hazard potential, the dam is deemed to be in satisfactory condition as of the last assessment in 2009.

Situated on the Prairie River-OS, Hunner Tailings serves as a critical structure in the local water resource management system, with a drainage area of 1.4 square miles. The dam's primary function is to contain tailings material, highlighting its importance in environmental protection and water quality preservation efforts in the region. While the dam has not undergone significant modifications in recent years, its operational and safety protocols are up to date, with the last inspection conducted in 2014 confirming its satisfactory condition.

With its buttress core design and satisfactory condition, Hunner Tailings stands as a testament to responsible dam management practices in Minnesota. As climate change continues to impact water resources and hydrological systems, the effective regulation and maintenance of dams like Hunner Tailings are essential for mitigating potential risks and ensuring the long-term sustainability of water supplies in the region. Enthusiasts interested in water resource management and climate resilience can appreciate the role that dams like Hunner Tailings play in safeguarding critical water infrastructure and supporting environmental stewardship efforts.