Thou shalt not murder. Thou shalt not covet thy neighbor’s wife. Thou shalt not … drink bottled water?
Reasons include that the water used in bottling comes from poorer areas, thus either depriving them of water or making it more expensive. Then there’s the appalling number of non-biodegradable plastic bottles that end in landfills. The religious groups involved are both evangelical and mainstream. Implicit in this is a fight against water privatization.