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Studies show that the West is in the worst megadrought of the past 1,200 years, but San Diego County continues to have enough water due to long-term investments in water sources and infrastructure, coupled with extensive water conservation efforts. Per capita potable water use in the San Diego region has decreased by 45 percent since 1990 as residents and businesses continue to adopt WaterSmart practices. The Water Authority’s strategic approach has been chronicled widely and serves as a model for dealing with the impacts of climate change.