The Rapidan Dam near Mankato, Minn., is at risk of “imminent failure” after the flooding of the Blue Earth River, officials warned on June 24. (Video: AP) By Niha Masih ...

A Green Valley resident said tailings dust that fell in 2018 resembled “a light dusting of snow.” In addition to a $230,000 settlement, Freeport McMoRan said it spent $300,000 for cleanup.

A Green Valley resident said the tailings dust last fall resembled “a light dusting of snow.” In addition to the $230,000 settlement, Freeport McMoRan said it spent $300,000 for cleanup.

Tailings Dams Regulation. International standards are increasingly being applied in tailings dam management globally, and there is expected to be greater attention paid to these in the DRC.