Hawaii Volcanic brand of bottled water is named for its source. Coming from deep below the Mauna Loa volcano on the big island of Hawaii, this water has a slightly sweet taste. Since the water captured for this brand comes from the rain that falls on this region of Hawaii it is considered to be a renewable resource. It is also classified as an artesian water, because it is filtered naturally as it travels through several layers of underground lava formations. The natural filtration process of Hawaii Volcanic water also gives it a pH level of 8, which makes it better suited for hydrating the body. The lava rock formations also enrich the water with beneficial minerals and electrolytes, which are essential elements for maintaining good health. This water is naturally enriched with potassium, magnesium, calcium and silica. It is also low in dissolved solids so it has more of a refreshing taste.