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June 1 - Buckhorn security funds
Department of Ecology News Release - June 1, 2018
Updated:
Cleanup funds identified for Buckhorn Mountain mine
$34.9 million in financial securities set aside for gold mine closure
CHESAW, Wash –
Owners of the Buckhorn Mountain gold mine will post an additional $12 million in securities with the state of Washington to assure adequate funds are available for environmental cleanup and restoration at the Okanogan County mine that stopped extracting ore in July 2017.
After working several months to firm up calculations for the environmental security, the Washington Department of Ecology has approved a final closure plan with Crown Resources Corp., a subsidiary of Kinross Gold Corp.
In total, $34.9 million in environmental protection
performance security
will be held by the state during reclamation, as required by state law. Crown Resource’s current investment security is $22.7 million.
Contaminated water generated by the underground mine can carry high concentrations of heavy metals such as copper, lead and zinc. Routine water quality monitoring indicates the mine’s wastewater has not been adequately captured and treated since opening in 2007, and has migrated to areas outside the mine’s perimeter.
“This commitment by Crown is important because it assures tax payers won’t be left with a costly cleanup as reclamation occurs at the mine over the next several decades,” said Heather Bartlett, Ecology’s Water Quality program manager.
Ecology anticipates the company will invest $15.1 million over the next seven years to make environmental improvements. And Crown is currently installing a new water treatment plant and recirculation system to more effectively treat water from the mine (at approximately $1.8 million).
The closure plan also acknowledges that reclamation costs could be lower in later years as conditions improve, and associated monitoring is reduced. The financial security estimate is based on projected operational costs. The environmental protection security will be revisited every two years to ensure coverage is adequate.
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Joye Redfield-Wilder
Communications manager
jred461@ecy.wa.gov
509-575-2610
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