HSC §111190: (a) A bottled water, as defined in Section 111070, with natural or added carbonation, may be prepared with added flavors, extracts, essences, or fruit juice concentrates derived from a spice or fruit

(a) A bottled water, as defined in Section 111070, with natural or added carbonation, may be prepared with added flavors, extracts, essences, or fruit juice concentrates derived from a spice or fruit and comprising less than 1 percent by weight of the final product. The final product shall not contain sweeteners, or additives other than the flavors, extracts, essences, or fruit juice concentrates and carbon dioxide and shall be designated on labels and in advertising as follows: (1) The common or usual name of the characterizing flavor shall accompany the designation of the bottled water product type as defined in subdivision (b) of Section 111170. (2) The product may be designated as “natural” only if it meets the requirements for the designation as defined in paragraphs (2) and (3) of subdivision (a) of Section 111175, and naturally derived flavors, extracts, or essences are used. (b) Products labeled pursuant to this section shall comply with all other provisions of this article. Products with one type or one source of bottled water that are labeled pursuant to this section shall not be blended with water that is not bottled water or that is of another bottled water type.