Name: EVIAN Country of Origin: FRANCE TDS: 357 pH: 7.2 Altitude: 2500 FT Discovery of Source: Very old Evian is one of  the most visible luxury waters in the world.   A flagship product of prestigtious Groupe Danone, Evian's source in Haute Savoie was discovered in 1789 by the Marquis de Lessert.    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 is a smooth and hydrating drink,  providing a signature taste enjoyed by many.