The park service and the Coconino County Sheriff’s Office are investigating the source of the carbon monoxide. According to officials, this is the third such incident on Lake Powell this month.

At least 21 people were treated for carbon monoxide poisoning in a Lake Powell houseboat early Wednesday morning in Coconino ...

Lake Powell, along with downstream counterpart Lake Mead, provides water to more than 40 million people across seven states and Mexico. While 2024's relative stability is a positive sign ...