The San Diego County Water Authority is a regional agency responsible for providing a reliable water supply to the residents and businesses of San Diego County. Established in 1944, it manages the importation of water from various sources, including the Colorado River and Northern California, to meet the needs of its member agencies. The Water Authority also invests in infrastructure projects, such as pipelines and treatment facilities, to ensure water quality and availability. Additionally, it promotes water conservation and sustainability initiatives to help manage the region's water resources effectively, especially during periods of drought.