Berkeley Pit

Officials with Butte’s lone active copper mine said it has a commercially-viable process to extract rare earth minerals from the contaminated waters of the Berkeley Pit.

In Butte, the epicenter of one of the most toxic industrial sites in the country, essential work during the COVID-19 outbreak can mean protecting humans,…

This week, for the first time ever, once toxic water from the Berkeley Pit, the abandoned open pit copper mine in Butte, is being treated and released…

For the first time ever, once-toxic water from the Berkeley Pit, Butte’s abandoned open pit copper mine, is being pumped, treated and discharged into…

Butte mining company Montana Resources now has the go-ahead from state officials to expand its waste storage facility northeast of town and the Berkeley…

37 years ago, Atlantic Richfield abandoned an open pit copper mine in Butte and allowed it to flood with toxic mine water. Now, the company estimates…

After more than 30 years, the Environmental Protection Agency, the state of Montana and Butte Silver Bow County are close to signing a final Superfund…

Atlantic Richfield is proposing to build a new water treatment plant to further lower the level of the toxic lake inside the Berkeley Pit, in case the…

I live a mile away from the Berkeley Pit, the mile by mile and a half wide former open-pit mine, which is now filled with a 50 billion gallon toxic lake.…

A proposal for a new limestone mine near Drummond is now open for public comment.A subsidiary of the Washington Companies is seeking a permit from the…