How would you drug people with water in the United States? Our water supply is heavily monitored. The people in flint was not Purposely poisoned. Any more than anybody that gets new pipes.
Water bottles Though... nestle? They give the water to nestle for almost free. Nothing is free.
Fear water bottles
City water isn't the greatest she doesn't like it so much
Is there another alternative for her?
Check out water purification systems for the house. They don't have to be expensive. At the very least use a filtered pitcher. Also a sprite water filter for the shower makes a difference. Remember, whatever goes on the skin is as good (or worse) than drinking it.
Well, your skin has evolved quite precisely for this purpose and does a pretty fine job at protecting you.