The only pure, premium American spring water bottled in glass, this Mountain Valley sparkling water is America's most awarded bottled water and has a mineral-rich, sodium-free taste. Filtered through granite-based aquifers in the Ouachita Mountains in the U.S., this natural spring water is pure, healthy goodness that comes straight from the land. Packed with naturally occurring nutrients, this water has a detoxifying pH of 7.3-7.7 and contains a rich blend of magnesium, calcium, and potassium.