Solano County, CA septic permits and regulations

Septic systems in Solano County, California are permitted by Solano County Department of Resource Management, Environmental Health Services Division under California Water Quality Control Policy for OWTS (Resolution No. 2012-0032).

Septic permit program

  • Program type: County Health Department
  • Authorized agent: Solano County Health Department
  • Own septic program: No, uses California state rules
  • Local rules beyond the state: No
  • Population: 453,491

Permit fee comparison

Average septic permit fee in Solano County: $950. 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 Solano 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 Solano County

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

Other California counties

Data checked 2026-05-15. Always confirm requirements with Solano County Department of Resource Management, Environmental Health Services Division before applying.