It All Starts with Science: Answering Questions about Mining in Bristol Bay, Alaska

Reposted from “EPA Connect, the official blog of EPA’s leadership

By Lek Kadeli

Considering the scope of resources in Bristol Bay—a 37.5 million average annual run of sockeye salmon; $480 million in ecosystem-generated economic activity in 2009; 14,000 full- and part-time jobs from that activity; and 11 billion tons in potential copper and gold deposit—it is no wonder there was significant interest in an EPA science assessment to understand how wild salmon and water resources in the Bristol Bay watershed might be impacted by large-scale mining operations. The public comment periods generated 230,000 responses on the first draft of the assessment, and 890,000 on the second.

This week, after reviewing all those comments and formal peer review by 12 scientists with expertise in mine engineering, fisheries biology, aquatic biology, aquatic toxicology, hydrology, wildlife ecology, and Alaska Native cultures, EPA released its final report, “An Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska.”


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