County water districts County waterworks districts Fire protection districts Harbor and port districts Healthcare districts Irrigation districts Library districts Mosquito abatement districts Municipal utility districts Municipal water districts Pest control districts Police protection districts Public cemetery districts Public utility districts Reclamation districts Recreation and park districts Resource conservation districts Sanitary districts Sewer districts Sewer maintenance districts Vector control districts LAFCOs do not directly regulate counties. There are also certain types of special districts that are exempt from LAFCO oversight. Among them are the following: Air pollution control districts Air quality management districts Bridge or highway districts Community college districts Community facilities districts (Mello-Roos districts) Improvement districts Joint power agencies Joint highway districts Permanent road divisions Redevelopment agencies School districts Separation of grade districts Service zones of special districts Special assessment districts Transit or rapid transit districts Unified or union high school library districts References External links California Association of LAFCos San Diego County LAFCO Local government in California