Without the pumps running, toxic groundwater began filling the mile-wide hole. Within months, what had been Montana’s pride ...

BUTTE — Fifteen years ago, as state researchers ventured into the Berkeley Pit to collect their annual samples from the contaminated water, a surprise greeted them.

BUTTE -- The area surrounding the Berkeley Pit — a man-made lake of toxic water in Butte that would likely kill a human or animal that drank from it — is teeming with life.

BUTTE — The Berkeley Pit Public Education Committee has launched a website to continue its efforts to educate residents about the management of the former open pit copper mine in Butte that is ...

IndyCar Racing Alexander Rossi sees Indy 500 hopes go up in flames on pit road Rossi had fluid leak from the back of his vehicle By Ryan Gaydos Fox News Published May 25, 2025 3:21pm EDT Flipboard ...

Among the big waterborne prizes in the pit next to Butte are two light rare-earth elements (REEs), neodymium and praseodymium. They are vital for small, powerful magnets in electric vehicles, for ...

Discover the haunting story behind the Berkeley Pit in Butte, Montana—a former open-pit copper mine that has turned into one of the most toxic lakes in America. This video dives into the history ...

BUTTE -- Silver Bow Creek may be spared the stigma of receiving treated Berkeley Pit water for at least another 25 years.

The Berkeley Pit in Butte is seen in this panoramic image shot in September 2023. Its contaminated waters could become a dumping ground for Superfund wastes excavated from sites in the Silver Bow ...

That’s according to Ted Duaime, a Butte-based hydrogeologist with the Montana Bureau of Mines and Geology. He has monitored the Berkeley Pit for more than 40 years.