Do you buy Nestle water at the grocery store? Every dollar you spend is a vote on how you want this world to be run. Right now it's being run into the ground with unsustainable practices by huge corporations that destroy the environment to make a buck.
Be self-sufficient, get a home water filter. It makes a bigger difference than you might think.
Tap water isn't a safe alternative, read our other blog post about Canadian's lack of legal rights to Water.