Humboldt County, CA septic permits and regulations
Septic systems in Humboldt County, California are permitted by Humboldt County Division of Environmental Health under California Water Quality Control Policy for OWTS (Resolution No. 2012-0032).
Septic permit program
- Program type: County Health Department
- Authorized agent: Humboldt County Health Department
- Own septic program: No, uses California state rules
- Local rules beyond the state: No
- Population: 136,463
Permit fee comparison
Average septic permit fee in Humboldt County: $2,016. 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 Humboldt 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 Humboldt County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Humboldt County Division of Environmental Health. See how SepticPro site plans work.
Other California counties
- Alameda County
- Alpine County
- Amador County
- Butte County
- Calaveras County
- Colusa County
- Contra Costa County
- Del Norte County
- El Dorado County
- Fresno County
- Glenn County
- Imperial County
- Inyo County
- Kern County
- Kings County
- Lake County
- Lassen County
- Los Angeles County
- Madera County
- Marin County
- Mariposa County
- Mendocino County
- Merced County
- Modoc County
Data checked 2026-05-15. Always confirm requirements with Humboldt County Division of Environmental Health before applying.