Ron Halsey

Treated water originating from the Berkeley Pit is discharged into Silver Bow Creek via a 24 inch buried pipe behind these rocks and manhole, Sept. 30, 2019.

Butte Reaches Superfund Milestone, Releasing Berkeley Pit Water Into Silver Bow Creek

Nora Saks

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…

Tim Hilmo (L), Ron Halsey (M) and Greg Frisch (R) with Atlantic Richfield company stand in front of the point where treated water originating in the Berkeley Pit is being discharged into Silver Bow Creek in Butte. September 30, 2019.

Montana News

Berkeley Pit Water Treated And Released Into Silver Bow Creek

Nora Saks

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…

AR's operations manager, Ron Halsey, stands in front of the intake pipe that siphons water originating indirectly from the Berkeley Pit into this new water polishing plant. August 6, 2019.

Montana News

Testing Begins On Berkeley Pit Water Treatment Facility

Nora Saks

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…