Explore a variety of methods for purifying and storing water for an extended emergency. Learn how to find or make safe water from additional sources. This publication is a companion piece for Oregon State University Extension Service’s free online training, Preparing for the Cascadia Subduction Zone Event. The training program is open to everyone. It includes videos, narrated presentations, virtual reality simulations, interactive maps, articles and other resources exploring what the earthquake and tsunami will be like and how those affected can manage the subsequent recovery.