Study finds pollution 350 miles downstream of Canadian coal mines
View of Lake Koocanosa from Moriah's Ledge in the summer. (JP Edge/Hungry Horse News)
Researchers with the U.S. Geological Survey have concluded that a large coal-mining operation in British Columbia is sending pollution more than 350 miles downstream into the Columbia River.
The study also found that selenium levels in the Upper Columbia watershed continue to rise in British Columbia, Montana and Idaho, despite Elk Valley Resources’ $1.4 billion investment in technology to remove selenium, a trace element that can hamper fish reproduction and lead to gill, facial and spinal deformities.
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