California officials are poised to decide the fate of a controversial desalination plant planned along its southern coast, in a vote that comes as the American west battles an increasingly perilous drought.

California water use leapt 19% in March, amid one of the driest months on record. After more than a decade of debate, the California coastal commission on Thursday will finally vote on a proposal for a $1.4bn desalination plant in Huntington Beach, south of Los Angeles.