Tucson Morning Blend Actions Facebook Tweet Email What's the most dangerous thing in our water? Posted at 12:34 PM, Apr 10, 2018 and last updated 2018-04-10 15:34:20-04 To learn more, click here. Copyright 2018 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed. Report a typo Sign up for the Headlines Newsletter and receive up to date information. now signed up to receive the Headlines Newsletter. Click here to manage all Newsletters Alex Steiniger and Zoe Zandora, weekdays at 11:00 AM!