"Consumers are moving from categories that were perceived as better for you to stuff that is actually good for you," he told CNBC's "Power Lunch" on Friday. "They are noting that distinction and sparking water fits in there."
Read More Soft drink sales hit a decade of decline
A shift toward healthy eating has affected the sugary drinks categories across the board. Soda consumption slid 1 percent in 2014 while bottled water sales were up 7.3 percent over the same period. And Diet Coke lost its position to Pepsi as the second-most popular soda in the U.S.
Faucher said that these companies can cut their losses by offering alternatives to diet soda that consumers are actually craving both for their taste and health properties, such as seltzer.
"Trying to find something that is natural and tastes good, that's been the real problem so far," he said.