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Best practices: Tailings dam breach was an extremely rare occurrence
Angela Waterman is Vice-president of Environment and Technical Affairs at The Mining Association of British Columbia.
The breach of the tailings dam at the Mount Polley Mine is an unfortunate event that is of great concern to the Mining Association of British Columbia (MABC) and all our member companies, just as it is to people across Canada.
After this incident, the public, the government and the mining industry all share the same objective: to find the root cause of what happened and determine if there are changes required or actions to be taken based.
The B.C. mining industry is committed to producing the materials the world needs in a way that is safe and responsible for both people and the environment. MABC, its members, and mining associations and companies across Canada are closely following the ongoing investigation.
Tailings dams across Canada are operated under stringent regulations and are subject to frequent and rigorous inspections, and this kind of incident is extremely rare. There has not been a comparable event in Canada in over 20 years. Globally, the general statistics related to likelihood of dam failure is between one in a million and one in 100,000 per dam year.