Winner of several world water tasting awards including the prestigious Berkeley Springs best bottled water in the world competition, Castle Rock Glacial Spring Water is available to you in spring and sparkling. Sourced from the pristine Springs of Mount Shasta, this naturally occurring water travels through two underground caves where it is filtrated through layers of granite, gem infused rock, gold and green jadeand then straight into our patented flint glass bottles made up of 55% recycled glass. With a balanced pH ranging from 6.9-7.4 , our water is "Glacier to Glass", and completely untouched by human hands to ensure a quality product. Castle rock glacial spring water is FDA and California spring water certified