Yakima County, WA septic permits and regulations

Septic systems in Yakima County, Washington are permitted by Yakima Health District under WAC 246-272A.

Septic permit program

  • Program type: County Health Department
  • Authorized agent: Yakima County Health Department
  • Own septic program: No, uses Washington state rules
  • Local rules beyond the state: No
  • Population: 256,728

Permit fee comparison

Average septic permit fee in Yakima County: $500. Washington average: $566.

Local rules

County operates under state-level WAC 246-272A (On-Site Sewage Systems). Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Yakima County

  • 1 permit fee 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 Yakima County

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

Other Washington counties

Data checked 2026-05-15. Always confirm requirements with Yakima Health District before applying.