A decade after a dam collapsed in Brazil, sending a deluge of toxic mud into villages and waterways, residents complain of an ...

NewRange Copper Nickel can make improvements to their tailings basin, now that the DNR has issued a Dam Safety Permit ...

The Montana Resources mine in Butte has applied to the Montana Department of Environmental Quality to amend the mine's permit to add capacity to the Yankee Doodle Tailings Impoundment dam.

One such mine disaster happened in February 2025 in Zambia at the Sino-Metals Leach Zambia copper mine. Over 50 million litres of toxic waste flowed over the dam’s wall into the Mwambashi River.

Here, we outline six questions people living near mines should ask mine management to ensure they understand the key hazards and risks in their communities. Each tailings dam has a zone of influence.

The court’s decision issued Thursday orders the Mount Polley Mining Corp. not deposit mine tailings into a storage dam that is being raised before July 1. Justice Gary Weatherill has scheduled a ...

In August 2014, a tailings dam at the open-pit gold and copper mine in B.C.‘s Cariboo region collapsed, spilling waste into nearby waterways, in a disaster that the Xatsull said in its initial ...

Tailings dam design could change, NewRange tells tribal nations The company said it hadn't abandoned earlier plans, the focus of a Minnesota DNR review on whether the mining permit should be denied.

Certain features of the tailings dam at Vale’s Corrego do Feijao iron ore mine in Brumadinho may have been the cause of the accident that killed 270 people.

The disaster near the small town of Brumadinho in southeastern Brazil occurred shortly after midday on 25 January 2019. At a nearby iron ore mine, the tailings dam—a storage area for the sludgy ...

Nearly a third of the world's mine tailings are stored within or near protected conservation areas, posing risks to some of the earth's most precious species and landscapes. A recent study by ...