If baby is over three months, you can mix formula with most bottled water without boiling it first. (havebabywilltravel.com)
In reality, while most bottled water is of good quality, some contains contamination. (health.com)
Most of the pieces in there are microplastics — those tiny particles of plastic that seem to be in most bottled water these days — but they only make up for 8 % of the total estimated mass. (fortune.com)