Bottled water sales nationwide continue to rise. Sales in convenience stores reached nearly $2.9 billion for the 52-week period ended Dec. 26, 2010, according to SymphonyIRI Group, a growth of 2.19%. Of that, more than $2.6 billion came from convenience/PET still waters. Leading brands include Glacéau, Aquafina, Dasani, Nestlé Pure Life, Poland Spring, SoBe and…