Maybe she doesn't like to get her face all wet....... some dogs are like that. You could get her a water bottle stand (or make one) and try something like that! (I said make one, because the ones that are pictured in this shortcut below are pretty expensive. (but it may be just what she needs!!!.... that is the case with my friends Shihzu.)
Here is the shortcut:
http://www.yorkietalk.com/forums/yor...tle-stand.html