Fairfield County, CT septic permits and regulations
Septic systems in Fairfield County, Connecticut are permitted by Connecticut Department of Public Health and local health departments/districts under Connecticut Public Health Code Section 19-13-B103.
Septic permit program
- Program type: Municipality-Based
- Authorized agent: Fairfield County Health Department
- Own septic program: No, uses Connecticut state rules
- Local rules beyond the state: No
- Population: 957,419
Permit fee comparison
Average septic permit fee in Fairfield County: $248. Connecticut average: $245.
Local rules
Conventional septic systems with design flows up to 7,500 GPD are permitted by the local health department/district in the town where the site is located. Use CT DPH Find Your LHD for contact lookup.
What SepticPro has on file for Fairfield County
- 20 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 Fairfield County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Connecticut Department of Public Health and local health departments/districts. See how SepticPro site plans work.
Other Connecticut counties
Data checked 2026-05-10. Always confirm requirements with Connecticut Department of Public Health and local health departments/districts before applying.