Canyon County, ID septic permits and regulations

Septic systems in Canyon County, Idaho are permitted by Southwest District Health under IDAPA 58.01.03.

Septic permit program

  • Program type: Multi County Health District
  • Authorized agent: Canyon County County Health Department
  • Own septic program: No, uses Idaho state rules
  • Local rules beyond the state: No
  • Population: 231,105

Permit fee comparison

Average septic permit fee in Canyon County: $375. Idaho average: $417.

Local rules

County operates under state-level IDAPA 58.01.03. Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Canyon County

  • 20 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

Create a free account to see the full details.

Draw a permit-ready site plan for Canyon County

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

Other Idaho counties

Data checked 2026-03-16. Always confirm requirements with Southwest District Health before applying.