Snow Geese Update

• It is estimated that many thousands of migrating snow geese stopped in the Berkeley Pit the week of November 28, 2016. The number of migrating geese that passed through this area and landed in the Berkeley Pit is unprecedented. Most geese left the pit on Tuesday November 29, 2016 and continued their migration south. • Unfortunately, some geese remained […]

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Since the Berkeley Pit was designated as a Superfund site in the 1980s, things have gone largely as expected. In one instance the site remedy has proceeded at a faster pace than mandated in the 1994 Record of Decision (or ROD, available in its entirety here). The ROD called for the water treatment plant for the Pit to be designed […]

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Drones in the works for water quality sampling

Montana Resources and Atlantic Richfield are currently funding a Montana Tech graduate student to develop a remote system to sample Pit water quality. The student will review options to collect the required data, including aerial or water-based drones that can be operated from the shore of the Pit. Due to the size of the Pit and the need to collect […]

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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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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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