The Metropolitan Water District of Southern California (MWD) is a regional water supplier that serves over 19 million people in six counties, including Los Angeles and Orange. Established in 1928, MWD manages water resources and infrastructure to ensure a reliable water supply for urban areas in Southern California. MWD imports water from the Colorado River and the California State Water Project, distributing it through a vast network of pipelines and aqueducts. The organization also invests in conservation programs and infrastructure improvements to enhance water efficiency and sustainability in the region.