I do not know about your dogs........but here there is far more water on the floor then in the mouths of the dogs......lol. I am forever the person with the mop...
now my cat on the other hand never makes a mess
this is an article to explain that
and the dogs here said See MOM we are JUST doing as we are allowed to do.........says Science........

Researchers find strategy to sloppiness of dogs’ drinking - SFGate