The Service Review and Sphere Updates for the North Desert region are defined by the following communities:

• Adelanto Community including El Mirage 
• Apple Valley Community
• Barstow Community including Barstow Heights, Hinkley, Grandview, Hodge, and Lenwood
• Daggett, Yermo, Newberry Springs, and Harvard Communities
• Helendale Community
• Hesperia Community including Oak Hills and Summit Valley
• Lucerne Valley Community
• Phelan/Piñon Hills and Wrightwood Communities
• Red Mountain, Trona, and Searles Valley Communities
• Victorville Community including Baldy Mesa, Oro Grande, and Spring Valley Lake
• Regional Agencies for the North Desert Region
  • County Service Area 40 (Elephant Mountain – Television)
  • County Service Area 60 (Apple Valley Airport)
  • Mojave Desert Resource Conservation District (North Desert, South Desert and Mountain Regions)
  • Mojave Water Agency (North Desert and South Desert Regions)
  • Victor Valley Wastewater Reclamation Authority