Water softening and water conditioning vs. bottled water 22% of bottled water contains contaminants that exceed strict state health limits. 13% the amount of bottles that actually get recycled 17 million the amount of barrels of oil used to produce bottled water. Enough to fuel 1 million cars for a year. 40% of bottled water is taken from municipal water sources. ( aka tap water) .0015 per gallon for tap water. $10 a gallon for bottled water. The answer is clear purify your own water to save money and be healthy!