Imperial County, CA septic permits and regulations

Septic systems in Imperial County, California are permitted by Imperial County Environmental Health Services under California Water Quality Control Policy for OWTS (Resolution No. 2012-0032).

Septic permit program

  • Program type: County Health Department
  • Authorized agent: Imperial County Health Department
  • Own septic program: No, uses California state rules
  • Local rules beyond the state: No
  • Population: 179,702

Permit fee comparison

Average septic permit fee in Imperial County: $700. California average: $808.

Local rules

County operates under state-level California OWTS Policy (Water Code §13290-13291.7). Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Imperial 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 Imperial County

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

Other California counties

Data checked 2026-03-16. Always confirm requirements with Imperial County Environmental Health Services before applying.