Waterloo Sparkling Water. We’re the sparkling water that goes all in on full flavor every day – a refreshing change from the usual. With authentic flavors and lively carbonation, we are full-flavor artistry in purified sparkling water. Water Down Nothing with Waterloo. In a variety of flavors – Blackberry Lemonade, Pineapple, Black Cherry, Lemon-Lime, Summer Berry, Peach and more – all free of calories, sugar, artificial sweeteners and sodium.