Jana's well, at a depth of 2500 feet is one of the deepest in Europe. Because of this, the water is naturally cleaner than water drawn from shallower depths. Jana Water's purity and freshness is a result of the slow and natural filtering process, through a vast aquifer of layered mineral rock. It is additionally protected by a layer of granite above the well basin. During this long natural journey, Jana natural artesian water is enriched with minerals, in particular calcium and magnesium.