The District provides drinking water service to retail customers located within the cities of Moreno Valley, Menifee, Murrieta, and Temecula and the unincorporated communities of Good Hope, Homeland, Lakeview, Nuevo, Mead Valley, Murrieta Hot Springs, Quail Valley, Romoland, Valle Vista and Winchester. The District also supplies water on a wholesale basis to the Cities of Hemet, San Jacinto and Perris, Lake Hemet Municipal Water District, Nuevo Water Company, Elsinore Valley Municipal Water District, Western Municipal Water District and Rancho California Water District.