Bonita Peak Mining District

The Environmental Protection Agency may be able to cross one of its 48 mine sites included in the Superfund around Silverton off its list. Recently, the Colorado Department of Reclamation, Mining...

It’s the end of the Animas River Stakeholders Group. After leading the cleanup of mine waste in the headwaters of the Animas River for more than 25 years, group co-founder Peter Butler announced...

The Environmental Protection Agency has selected a new lead for the Superfund cleanup of mines around Silverton that are contributing to degrading water quality in the Animas River. The “Bonita...

Sunnyside Gold Corp. has offered one of its waste storage sites north of Silverton as a permanent solution for a place to put the sludge generated from the water-treatment plant that was built...

Environmental Protection Agency Administrator Andrew Wheeler announced a shakeup of the agency’s “Emphasis List” of Superfund sites across the country, but it appears the cleanup of mines leeching...

SILVERTON – Deep down, hundreds of feet below the Earth’s surface, the Environmental Protection Agency is looking for answers to one of the biggest mysteries in the Superfund site of mines around...

The Environmental Protection Agency says it will “ensure” cleanup activities will be accomplished that Sunnyside Gold Corp. refused to do, but it could result in fines and possible litigation...

Sunnyside Gold Corp. is refusing to carry out work ordered by the Environmental Protection Agency as part of the Superfund cleanup of mines around Silverton. “Enough is enough,” Kevin Roach, with...

A new study has found no serious risk to human health stemming from mines included in a Superfund site around Silverton, according to the Environmental Protection Agency. “This is a good news...

Colorado’s top office for ensuring historic preservation is concerned about the Environmental Protection Agency’s impacts to mine sites around Silverton as the agency embarks on a massive Superfund...

The Environmental Protection Agency announced Friday it intends to undergo a major effort this summer to understand one of the most vexing polluters in the upper Animas River watershed. In July,...