Knox County, IN septic permits and regulations
Septic systems in Knox County, Indiana are permitted by Knox County Health Department under 410 IAC 6-8.3.
Septic permit program
- Program type: County Health Department
- Authorized agent: Knox County County Health Department
- Own septic program: No, uses Indiana state rules
- Local rules beyond the state: No
- Population: 36,282
Permit fee comparison
Average septic permit fee in Knox County: $400. Indiana average: $400.
Local rules
County operates under state-level 410 IAC 6-8.3. Contact local health department for any additional county-specific requirements.
What SepticPro has on file for Knox County
- 3 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 Knox County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Knox County Health Department. See how SepticPro site plans work.
Other Indiana counties
- Adams County
- Allen County
- Bartholomew County
- Benton County
- Blackford County
- Boone County
- Brown County
- Carroll County
- Cass County
- Clark County
- Clay County
- Clinton County
- Crawford County
- Daviess County
- Dearborn County
- Decatur County
- DeKalb County
- Delaware County
- Dubois County
- Elkhart County
- Fayette County
- Floyd County
- Fountain County
- Franklin County
Data checked 2026-05-16. Always confirm requirements with Knox County Health Department before applying.