Rincon del Diablo Municipal Water District
Rincon Water provides water services within specific boundaries. The district's boundary lines cross into various cities including the cities of Escondido, San Marcos, and San Diego as well as the unincorporated areas of San Diego County. Rincon Water’s service area is within the San Dieguito and Carlsbad watersheds as well as the Escondido Valley Ground Water Basin 9-9.