"There is no water fountain at the Munich airport" True and not necessary. You may go to the restrooms and use the tap there. Sound a bit weird, but the water

"There is no water fountain at the Munich airport" True and not necessary. You may go to the restrooms and use the tap there. Sound a bit weird, but the water is as pure as everywhere else (make sure the tap is clean) and as the water flows more or less non stop, it is even very cold. We usually refill our empty bottles there after security.