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PitWatch is the official source of information about the Berkeley Pit. We’ve been watching, learning, and educating the public about the Berkeley Pit since 1996. Learn the science and stay informed about the Berkeley Pit here.

What are the latest Berkeley Pit water levels?

Current Water Level


Above Sea Level

Protective Water Level


Above Sea Level

What do these levels mean? ›

Current Water Level Updated May 3, 2021



The Berkeley Pit Can Be Understood by Everyone

Our team of scientists, residents, and educators works to help the public understand the Berkeley Pit. If you have questions or would like to learn more, please contact info@pitwatch.org



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#PitScience Blog

A mix of science, art, and local viewpoints on the Berkeley Pit.
Submit a post to info@pitwatch.org

Superfund during the COVID-19 pandemic

April 22, 2020

By Matt Vincent Right now, everything is seemingly within the iron grip of the novel coronavirus/COVID-19 pandemic. Our daily lives have been redefined by the… Read more

Water discharged from Butte Mine Flooding site, Including the Berkeley Pit, for the First Time

February 4, 2020

By Tim Hilmo, Project Manager, Atlantic Richfield Company With minimal headlines, treated water was discharged from the Butte Mine Flooding site to Silver Bow Creek… Read more

Restoring Butte: Environmental Education at the Berkeley Pit

August 5, 2019

By: Matt Vincent The Berkeley Pit viewing stand ordinarily sees as many as 300 visitors each day when it’s open, making up for around 35,000… Read more