DENVER – An interim water-treatment plant in Gladstone is operational in an effort by federal regulators to stabilize contaminated leakage at the Gold King Mine. The $1.5-million portable t ...

A plant that treats wastewater draining from the Gold King Mine in southwestern Colorado has resumed operating after being shut down by a winter storm. Latest U.S.

A temporary treatment plant has begun cleaning up polluted water flowing from the Gold King Mine after an accident sent millions of gallons of waste into rivers in three states, the Environmental ...

An EPA-run water-treatment plant below the Gold King Mine, about 10 miles north of Silverton, filters acid metals-laced contamination from that mine.

In the months after the Aug. 5, 2015, Gold King Mine spill, the Environmental Protection Agency built the Gladstone Water Treatment Plant on property north of Silverton owned by Todd Hennis.

Acid sludge from the Gold King Mine has filled up waste bags at the Environmental Protection Agency's emergency treatment plant on headwaters of the Animas River, forcing the feds to grapple with ...

<b>Silverton, Colo.</b> • The U.S. Environmental Protection Agency has found a place to store sludge from a treatment plant cleaning up wastewater from a southwestern Colorado mine.