Mine have waterbottles all through out the day. During the day time they have both water bottles and water dishes, so they will always have water to drink, they tend to spill their water dishes and this way they will always have water without me worrying about it.
I always like for all my dogs to have food and water 24 hours so at night when I put them in their crates they have just the water bottles which I love because they don't get water everywhere and they have taken to the water bottles quite well.
Trixie will actually sit there all day just licking at the water bottle, she loves it and I think it is a stress reducer for her because she is a very active dog and a chewer so by having the water bottle she focuses her attention on it rather than chewing everything up.
They are great to have, just make sure you clean them out regularly.