Bigger and more-frequent wildfires threaten water supplies across the U.S.
Wildfires leave behind charred trees and scorched vegetation that impact the streams and rivers providing drinking water to much of the country, and new studies show that contamination could remain for more than a decade.

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Bigger and more-frequent wildfires threaten water supplies across the U.S. (opens PBS NewsHour in a new tab)
Wildfires leave behind charred trees and scorched vegetation that impact the streams and rivers providing drinking water to much of the country, and new studies show that contamination could remain for more than a decade.
