New report blame for Mt. Polley dam breach lies with the Ministry of Mines

BC’s Auditor General Carol Bellringer’s assessment of the Ministry of Mining and Energy’s compliance and enforcement operations is withering.

“Almost all of our expectations for a robust compliance and enforcement program were not met,” she says.

Part of the extensive audit included the examination of the Mt. Polley tailings pond dam breach.

“We determined that the Ministry of Energy and Mines did not ensure that the tailings dam in Mt. Polley was built to the design specifications,” Bellringer says. “The expert panel pointed out that, had it been, the dam would not have failed.”

Bellringer said that, while the government’s expert panel considered how the Mt. Polley dam failed, the audit conducted by her office looked at why the breach occurred and whether or not the Ministry’s compliance enforcement – or lack thereof – was a factor.

Mt. Polley’s tailings pond experienced a significant breach in August, 2014. The result was 25 million cubic meters of wastewater and tailings from the mine being discharged into Quesnel Lake. It is the largest environmental disaster in Canadian history.

Bellringer says that, while the cause of the dam failure has been investigated, the total environmental impacts remain unknown.

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