The Mountain Valley Sparkling Spring Water. Since 1871. America's premium water. Pure. Natural. Fine. Bottled at the sourced in the Ouachita Mountains - USA. 33.8 fl oz (1 qt 1.8 oz) One liter. The Mountain Valley Spring is a source of wonder, inspiration and crisp, pure American spring water. Mountain Valley Spring water has been recognized and awarded for its crisp, refreshing taste and exceptional quality. Bottled at the original spring source since 1871, the Mountain Valley is America's original premium spring water. Naturally occurring in parts per million: Calcium - 74.0. Magnesium - 7.3. Potassium - 1.0. Total dissolved solids - 220. This bottle made with recycled glass. We gladly provide additional consumer information relating to water quality at: Call: 800.643.1501. Visit: www.mountainvalleyspring.com.