The quality of the water you drink matters! (Trace amounts of pharmaceuticals, including antibiotics and sex hormones, can be present in drinking water, among other things. Most treatment plants can’t remove all drug residue.) EWG
1. Check your water quality online
2. Have your tap water tested.
3. Buy a water purifier.
PS. Instead of pouring an expired bottle of cough syrup down the drain or flushing unused pills, as was once advised, the FDA now asks people to mix drugs in a sealable bag with coffee grounds or kitty litter and then throw them out. EWG