In 2010 EPA interviewed local citizens and reviewed the status of Butte area Superfund sites as part of a required five-year review (the full review report is available here). Five-year reviews determine whether remedies or other response actions are protective of human health and the environment in compliance with a site’s decision documents. Methods, findings, and conclusions are documented in […]

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2015 Science Fair Award Winners

The Berkeley Pit Education Committee awarded savings bonds to four grade school students and one high school student who competed in the 2015 Montana Tech Science and Engineering Fair. Each of their Fair projects explored important topics related to the Berkeley Pit and mine waste cleanup technologies. Congratulations to everyone who competed in the Fair, and keep up the good work! […]

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Maps of Berkeley Pit Monitoring Sites

Maps from the Montana Bureau of Mines & Geology (MBMG) showing Berkeley Pit-related alluvial and bedrock monitoring sites have been added to PitWatch.Org. View snapshots of the maps below, click on an image to view a larger version, or use the links at the bottom of the page to download printable .pdf versions of the maps.      

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The Montana Bureau of Mines & Geology (MBMG) developed this computer model showing Butte topography and the corresponding underground tunnels from the years of historic underground mining. The red dots at the surface and red lines below represent vertical shafts, and the colored lines under the surface represent the horizontal levels of the mines. The graphic does not illustrate stopes […]

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The 2013 print edition of PitWatch included the following photo from the Montana Bureau of Mines & Geology (MBMG), intended to show the current water level relative to the Critical Water Level. Some PitWatch readers asked for a version of this image that used a current photo of the Berkeley water level, and MBMG created this new image to better […]

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