How long can a bottle of water sit out with the cap off before it is not good anymore?

Question

it's a crystal geyser brand bottled water, it's been on the desk of a not completely clean room for about 36 hours with the cap off, is it still good?

Answer 1

Yes, except the surface.

Answer 2

if its there overnight trash it

Answer 3

4  days

Answer 4

It should be ok, you have probably eaten or drinking worse, but if you don't think it is just toss it and get another

Answer 5

probably ok - but if it was standing under the urinal in the McDonald's mens' room, I'd toss it out...

Answer 6

Throw it out... like now!! Bacteria in the room have made there way into your waterbottle... I don't even drink water out of a waterbottle that has been opened within a 5 hour period!