We deliver value to our customers and the communities we serve by providing safe, reliable, economical and environmentally sustainable water, wastewater and recycled water services.

The District’s primary responsibility is managing the vast groundwater basin under northern and central Orange County that supplies water to more than 20 cities and water agencies, serving more than 2.3 million Orange County residents.

The San Bernardino Valley Municipal Water District was formed in 1954 as a regional agency to plan a long-range water supply for the San Bernardino Valley.

The Irvine Ranch Water District is an independent special district that provides high-quality drinking water, reliable wastewater collection and treatment, groundbreaking recycled water programs and environmentally sound urban runoff treatment to central Orange County.

The Metropolitan Water District of Southern California is a regional wholesaler that delivers water to 26 member public agencies – 14 cities, 11 municipal water districts, one county water authority – which in turn provides water to more than 19 million people in Los Angeles, Orange, Riverside, San Bernardino, San Diego and Ventura counties.

The Santa Ana Watershed Association (SAWA) develops, coordinates and implements natural resource programs that support a sustainable ecosystem and social benefits from the San Bernardino Mountains to the Pacific Ocean. SAWA is committed to the protection and improvement of areas within the Santa Ana River Watershed, which includes portions of Riverside, San Bernardino and Orange counties. Major foci of SAWA are the removal of invasive species, native habitat enhancement and the protection of endangered and threatened species.