Did you read the CNBC article, its about what could be happening when heating plastic containers. Do you know of anyone heating up their plastic water bottle?

The real link between water chlorination and colon cancer is enough for me to not drink chlorinated municipally treated water. My municipality also flouridates the tap water, I refuse to drink water someone has added a toxin to.

Sign up for a tour of your local water treatment plant and read the warning labels found on the 45 gallon drums of chlorine and fluoride used there. Once you do you will never drink municipally treated water again.