Navajo County, AZ septic permits and regulations

Septic systems in Navajo County, Arizona are permitted by Navajo County Public Health Services District under Arizona Administrative Code Title 18, Chapter 9, Article 3 (R18-9-A301 et seq.).

Septic permit program

  • Program type: County Health Department
  • Authorized agent: Navajo County Health Department
  • Own septic program: No, uses Arizona state rules
  • Local rules beyond the state: No
  • Population: 106,717

Permit fee comparison

Average septic permit fee in Navajo County: $281. Arizona average: $265.

Local rules

County operates under state-level AAC Title 18, Chapter 9, Article 10. Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Navajo County

  • 18 permit fees with sources
  • The agency phone, email and office address
  • Setback distances
  • Soil and perc test requirements
  • Allowed system types
  • System design rules
  • Inspection requirements
  • Maintenance and pumping rules
  • Point-of-sale rules
  • Installer, designer and pumper licensing

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Draw a permit-ready site plan for Navajo County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Navajo County Public Health Services District. See how SepticPro site plans work.

Other Arizona counties

Data checked 2026-03-16. Always confirm requirements with Navajo County Public Health Services District before applying.