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CURRENT WATER LEVEL: 5,287.39 ft.

 

BERKELEY PIT
NEWS 
& NOTES
For the most comprehensive, up-to-date information about the past, present and future of the Berkeley Pit, refer to the 2009 edition of PITWATCH.

SUMMER 2009

1955: The year it all began
Berkeley history timeline
What is 'Superfund'?
Pit Facts at a Glance
27 years since pumps stopped
What's in the Berkeley Pit water?
40 billion gallons: where does it come from?
Two aquifers feed into the Pit
West Camp also part of mine flooding site
A timeline of the West Camp
Watching the water... water level updates
Water treatment plant working as expected
Treatment technology thoroughly studied
Montana Resources mines the water
Seasonal bird mitigation efforts ongoing
Above the Pit: The Yankee Doodle Tailings Pond
Many are learning from Berkeley Pit
Pit viewing stand is newly renovated
What if an earthquake were to strike?
Research continues on Pit water
Catching up with past Science Fair winners
Could the Pit ever overflow? and other Frequently Asked Questions

SPRING 2008
25 years since pumps stopped
A bird's eye view of the Berkeley Pit
What is an 'Operable Unit'?
Pit Facts at a Glance
1955: The year it all began
A Timeline of Berkeley Pit History
What's in the Berkeley Pit water?
And where does all this water come from?
A tale of two aquifers...
Then there's the West Camp story
A Timeline of the West Camp
Pit water treatment plant ready
Water treatment technology subject to thorough study
Mining the water for copper
Bird mitigation efforts ongoing
Above the Pit: The Yankee Doodle Tailings Pond
Viewing stand improvements taking shape
What if an earthquake were to strike?
Research continues on Pit water
Catching up with past Science Fair winners
Many are learning from the Berkeley Pit
Could the Pit ever overflow? and other Frequently Asked Questions

AUTUMN 2006
Bioprospecting in the Berkeley Pit
Can algae clean the Berkeley Pit?


SPRING 2006
Meet the 2006 Science Fair Award Winners
Water chemistry varies with depth


FALL 2005
Will the Berkeley Pit Overflow?
Improvements planned soon at Berkeley Pit Viewing Stand
Earthquakes did not affect Pit


SPRING 2005
Can the Pit withstand an earthquake?
Meet Our 2005 science fair winners

FALL 2004

Berkeley Pit Myth Versus Fact
Migratory Bird Protection Plan Working


SPRING 2004

Berkeley Pit Myth Versus Fact
Is Montana Resources Mining the Berkeley Pit?
 Meet Our 2004 science fair winners


FALL 2003

Changes in Store for the Berkeley Pit Viewing Stand
Mine Resumption Affects Treatment Plant Operations


SPRING 2003

Priority Soils: The Other Superfund cleanup project in the Butte area
Meet Our Science Fair Winners


FALL 2002

New Exhibit In the Works at the Berkeley Pit Viewing Stand
Mine Flooding Consent Decree Signed by Federal Judge
Butte Students Explore Pit Clean Up, Win National Awards


SPRING 2002


Meet our Science Fair Winners
Consent Decree Announced
Horseshoe Bend Plant Construction Plans Announced


FALL 2001

Tailings Covered to Prevent Blowing Dust
Horseshoe Bend Water Treatment Update

APRIL 2001

Update On Plans To Treat Horseshoe Bend Water
Meet Our 2001 Science Fair Winners
 
OCTOBER 2000

Mine Suspension Changes Treatment Plans
Berkeley Pit is the "Olympics" of Testing Treatment Technology

APRIL 2000

Meet Our Science Fair Winners
Update on Montana Resources' Copper Recovery Effort
Ongoing Research Projects at the Pit
Waterfowl Mitigation Plan

OCTOBER 1999

Pit Facts At a Glance
Pit Facts Comparison

APRIL 1999

Monitoring Well Update
Age-old Technology Yields Copper from Berkeley Pit Water
Mine-water Mining Part of Butte History
Chemistry Corner

OCTOBER 1998

Bureau of Mines Publishes 15-year Report on Mine Flooding
Learning about The West Camp
High Water History

APRIL 1998

Active Mining in Butte and The Berkeley Pit

OCTOBER 1997

Meet Our Science Fair Winners
Horseshoe Bend Contingency Plan taking shape
A Tale of Two Aquifers

APRIL 1997

Bird Protection Plan Working