The Metropolitan Water District (MWD) is a regional water supplier in Southern California. Established in 1928, it serves over 19 million people across six counties, including Los Angeles and Orange. MWD manages water resources and infrastructure, ensuring a reliable supply for urban areas. MWD sources water from various locations, including the Colorado River and State Water Project. It operates treatment plants and aqueducts to deliver clean water to its member agencies. The district also focuses on conservation and sustainability initiatives to address the challenges of water scarcity in the region.