Located inside the Clayton Valley Shopping Center on Ygnacio Valley Road, Diamond Pure Water offers reverse osmosis water with self-serve stations for re-filling. The store also carries home systems, coolers, water softeners, pet bowls and various other accessories including aqua sacks and thermo-ties. There are three reserved parking spaces directly in front of the store for convenient loading and unloading. The staff is available to help and a cart is also handy for transportation.