▁Francisco ▁ball ot ▁initi ative . ▁ ▁In ▁ 2 0 1 4 , ▁the ▁first ▁refer endum ▁on ▁a ▁s oda ▁tax , ▁Proposition ▁E , ▁was ▁voted ▁down ▁by ▁San ▁Francisco ; ▁the ▁ 2 0 1 4 ▁refer endum ▁received ▁the ▁support ▁of ▁ 5 5 ▁percent ▁of ▁vot ers , ▁short ▁of ▁the ▁two - third s ▁required ▁for ▁a ▁refer endum ▁direct ing ▁money ▁to ▁a ▁specific ▁item ▁( the ▁refer endum ▁proposed ▁direct ing ▁the ▁re venue ▁raised ▁to ▁children ' s ▁physical ▁education ▁and ▁nut r ition ▁programs , ▁and ▁in ▁San ▁Francisco ▁such ▁ear mark ing ▁requires ▁a ▁two - third s ▁vote ▁to ▁pass ). ▁In ▁that ▁refer endum ▁campaign , ▁the ▁s oda ▁industry ▁spent ▁about ▁$ 1 0 ▁million ▁in ▁opposition ▁to ▁the ▁proposed ▁tax . ▁ ▁Oak land , ▁California ▁ ▁A ▁one - cent - per - ounce ▁s oda ▁tax ▁( Me asure ▁H H ) ▁passed ▁with ▁over ▁ 6 0 % ▁of ▁the ▁vote ▁on ▁ 8 ▁November ▁ 2 0 1 6 . ▁The ▁tax ▁went ▁into ▁effect ▁on ▁ 1 ▁July ▁ 2 0 1 7 . ▁ ▁Alb any , ▁California ▁A ▁one - cent - per - ounce ▁s oda ▁tax ▁( Prop ▁O 1 ) ▁passed ▁with ▁over ▁ 7 0 % ▁of ▁the ▁vote ▁on ▁ 8 ▁November ▁ 2 0 1 6 . ▁The ▁tax ▁went ▁into ▁effect ▁on ▁ 1 ▁April ▁ 2 0 1 7 ▁ ▁B ould