when i went, my mom went with me and brought some water. however, i was always given bottled water and you can buy bottled water in the dining room. my mom drank a few of her waters because she had then. but it was not necessary to bring. my husband was shocked that we had this concern..."you will go and have major surgery but are afraid to drink the water?" made us laugh.... when you get meals you get a glass of apple juice, gatorade, and tea. after two days you also get broth. it is all made in the hospital kitchen. i do not know if they use bottled water to make it. but i did not have any issues and i have not heard of others having issues. the hospital is under going JACHO certification..... which is a big deal. that is the same certification that most hospitals have here in the states. i cannot imagine that this would be possible if they did not have a good water supply.. god luck to you. i had a wonderful experience there and have had a recovery free of any complications. kelly