Section 105300 Of Chapter 8. Service Zones From California Public Utilities Code >> Division 10. >> Part 16. >> Chapter 8.

. One or more service zones to provide different levels of service, to provide different facilities or other improvements, or to raise additional revenues within specific areas of the district, may be created within the boundaries of the district. A service zone may consist of one or more cities, with or without unincorporated territory, or unincorporated territory alone.