A treatment pond at the Horseshoe Bend Water Treatment Plant (2009). Photo by Justin Ringsak.

A treatment pond at the Horseshoe Bend Water Treatment Plant (2009).

Yes, after a treatment technology review and upgrades to the plant are completed.

The 1994 EPA Record of Decision and 2002 Consent Decree require a review of treatment technologies when the Critical Water Level (5,410 feet) is about four years away. The review will consider the plant’s ability to treat both Pit water and water coming from the Horseshoe Bend drainage to the north. Based on the review, the Treatment Plant will then be upgraded to best treat the water.

Upgrades must be completed two years before the critical level is reached. Projections show water levels at one of the compliance points connected to the Pit will near the critical level around 2023, so a treatment review would take place in 2019, with any needed upgrades completed by 2021, as indicated by the timeline below.

This timeline reflects project changes agreed to in the Consent Decree that governs Berkeley Pit management. The timeline is reviewed and adjusted by the Montana Bureau of Mines & Geology each year. Any future timeline changes will be reported in PitWatch and on the PitWatch website at www.pitwatch.org. Graphic by Justin Ringsak.

This timeline reflects project changes agreed to in the Consent Decree that governs Berkeley Pit management. The timeline is reviewed and adjusted by the Montana Bureau of Mines & Geology each year. Any future timeline changes will be reported in PitWatch and on the PitWatch website at www.pitwatch.org. Click on the image to view a larger version.

 

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