The Berkeley Pit is literally world famous in the mine waste cleanup industry, and the final technology used in the Horseshoe Bend Water Treatment Plant, a High Density Solids (HDS) process, was selected after an assessment of tests and the demonstrated effectiveness of cleanup technologies from research groups around the world. The Horseshoe Bend facility currently treats water from Horseshoe […]

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Before mining on the Butte hill and the development of the Berkeley Pit, that old creek bottom was the main channel of Silver Bow Creek, and recent studies indicate the creek corridor and surrounding land contain mine tailings. Today the drainage is referred to as the Metro Storm Drain. A French Drain collects contaminated groundwater along the channel, preventing it […]

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Since the last issue of PITWATCH, Montana Resources has decided to resume operations. With the mine going again and with the water treatment plant coming on line, there have been many questions from the community. Here are some answers to reader questions. Q: How much total water went into the Berkeley Pit since the suspension of mining at Montana Resources? […]

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