Mount Milligan Copper-Gold Mine Expansion Approved Through 2035
The B.C. Environmental Assessment Office (EAO) confirmed the decision after completing a nine-month assessment of the mine owner’s application to operate at a higher production rate.
SEATTLE (Scrap Monster): The Mount Milligan copper-gold mine near Fort St. James has been approved to expand production and continue operations until 2035, following a detailed regulatory review by British Columbia authorities.
The B.C. Environmental Assessment Office (EAO) confirmed the decision after completing a nine-month assessment of the mine owner’s application to operate at a higher production rate. The review evaluated potential impacts on nearby communities and First Nations, as well as water resources, fish habitat, air quality, noise, safety risks, and cumulative environmental effects.
The project was designated a priority review, allowing the environmental assessment to be integrated with permitting processes carried out by provincial ministries overseeing mining and environmental protection. Final permitting decisions are expected in the near term.
The Mt. Milligan mine currently employs around 600 people, and the approved expansion is expected to inject approximately $450 million into the local economy over the extended mine life.
Under the new approval, daily ore throughput will increase from 60,000 tonnes to 66,500 tonnes, supported by deepening of the open pit and related infrastructure enhancements, strengthening the mine’s long-term operational outlook.
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