496. No real servitude can be established without a title; possession, even immemorial, is insufficient for that purpose.
497. The want of a title creating the servitude can only be supplied by an act of recognition proceeding from the proprietor of the land subject thereto.
498. He or she who establishes a servitude is presumed to grant all that is necessary for its exercise.
Thus the right of drawing water from the well of another carries with it the right of way.