The purpose of the Environmental Quality division is to protect the health of the public and the environment and promote effective onsite wastewater treatment. Authority for the wastewater program is delegated by the Arizona Department of Environmental Quality to Coconino County's Environmental Quality program.

Coconino County has delegation for all conventional and some alternative onsite wastewater systems (septic systems).

The Environmental Quality division is responsible for:

• Monitoring site investigations
• Reviewing applications and installation plans
• Issuing construction authorizations
• Inspecting newly installed septic systems
• Issuing authorizations for discharge from septic systems
• Monitoring transfers of septic systems to new property owners.

Environmental Quality responds to nuisance complaints regarding raw sewage, gray water and solid waste.

Onsite Wastewater Permitting

Note: All fees must be received with completed applications. Original signatures are required on all applications.

Requirements

• Arizona Administrative code: Aquifer Protection Permits
• Substantive Policy Statement on Wash and Intermittent Stream Setbacks

Conventional Systems

• Abandonment of a Septic System
• Waiver of Property Line Setback Requirement for Well
• Calculation Worksheet
• Conventional Septic System Application (Residential)
• Conventional Septic System Application (Commercial)
• Fixture Count Worksheet
• Leak Test Certification
• Request for Discharge Authorization
• Room Addition/Remodel/Replacement/Resize
• Room Addition/Remodel/Replacement/Resize (Commercial)

Alternative Systems

• Abandonment of a Septic System
• Waiver of Property Line Setback Requirement for Well
• Alternative Feature A312G Form
• Alternative Septic System Application (Residential)
• Alternative Septic System Application (Commercial)
• Leak Test Certification
• Request for Discharge Authorization
• Room Addition/Remodel/Replacement/Resize
• Room Addition/Remodel/Replacement/Resize (Commercial)

Site Investigations

• ADWR Notice of Intent to Drill a Well
• Request Wastewater System Information
• Environmental Quality Site Investigation Application
• Procedure for obtaining endorsement of NOI to drill a well
• EQ Inspection Area Schedule

Haulers (Septic, Trash & Water)

• Hauler License Application
• Hauler/Water Resource List

Notice of Transfer

• Coconino Notice of Transfer Instructions & Form
• ADEQ Transfer Report Form

Miscellaneous Information

• Application Fees
• Gray Water Rules
• Setback Information
• Resource List
• What is a Public Water System?
• Technical Memorandums
• Standard Alternative Feature A312G for Cinders
• Standard Alternative Feature A312G for D-Box (substitution of tee fitting)
• Standard Alternative Feature A312G for Hauled Water

Resources

• Arizona Department of Environmental Quality
• Arizona Department of Water Resources
• Arizona Registrar of Contractors