Evian (Case of 12) 1.5 liter is the most visible luxury water in the world. A flagship product of prestigious Group Danone. Nitrates are acceptable at 3.8 milligrams per liter; other than that, there really is nothing exceptional in Evian"s chemistry besides the strong level of Silica, and low Sodium content. With its neutral 7.2 pH, Evian rolls along, providing a signature taste enjoyed by many.