How long does water take to go through the human body?

Water is taken up fast in the stomach and small bowel (5 to 15 minutes). It makes blood more hypo-osmolar and the kidneys notice this right away. They produce more dilute urine. read more

45-60 minutes is what it takes to start going through. Kidneys process at a rate of 800 to 1,000 ml an hour (The maximum rate, assuming you're already well hydrated). The average bladder is capable of holding 400mls in a daytime setting (it increases during sleep) So. 1 hour before your bladder starts filling up at a rate of 800ml an hour. read more

I first started wondering about how long after a drink of water does it take to enter the body’s system after realizing I was feeling dehydrated and was about to go play volleyball. I didn’t know if drinking a glass of water right then would help when I was about to play a sport an hour later. read more