At the start of the 2019 water year, the combination of diversified water supplies and water-use efficiency means the San Diego region has enough water for 2019 and the foreseeable future despite historically low rainfall over the past 12 months. “It has been very hot and dry, but we have invested wisely in infrastructure and regional water-use remains well below where it was at the start of the last drought,” said Jeff Stephenson, a principal water resources specialist with the Water Authority.