Yes but they need to get the balance right between making it immersive to being outright annoying.
water sources: Use water/wine skins to fill a amount of water for so many sips from sources.
Wilderness
Rivers, ponds, lakes can be drank from directly.
Undeground springs in certain caves and that sort.
In cities
Aquaducts of some sort?
Wells
Taps
Fountains
Taverns will actually have a use for cheap food and such
While were at it lets talk about beds-
More use to use a tavern!
Carry a small bed roll for the wildy -sleeping in the wilderness or outside of a village/town/city may lead to bandit/beast
attacks, thievery of items from your inventory from ..thiefs.
Think this was covered in FONV speculation. pretty much.