Wild Border Watersheds

Design failure caused Mount Polley tailings breach, expert panel concludes (The Globe and Mail)

The design of the tailings pond dam at the Mount Polley mine that collapsed catastrophically last summer failed to address the unstable foundation on which it sits, a flaw that was compounded over the many years that the dam was repeatedly raised to accommodate a growing lake of toxic waste.

“It was a loaded gun, because the design of the dam was incorrect,” Mines Minister Bill Bennett said on Friday after an expert panel released a report saying the structure collapsed because it was built on a foundation underlain with glacial silt.

(To read complete source article, click "The Globe and Mail")

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