Relentless wildfires threaten supplies of drinking water in western U.S.

https://thinkprogress.org/relentless-western-wildfires-e6acdf241a53/
"Wildfires fueled by dry weather and scorching temperatures have smothered parts of the western United States in smoky, ashy air, forcing communities to take measures to protect their drinking water supplies. Earlier this week, at least 81 large fires were raging across 1.5 million acres of the West, from Colorado to California and north to Washington. North of the border in Canada, British Columbia has already had an “unprecedented” fire season."