Windham County, CT septic permits and regulations

Septic systems in Windham 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: Windham County Health Department
  • Own septic program: No, uses Connecticut state rules
  • Local rules beyond the state: No
  • Population: 116,418

Permit fee comparison

Average septic permit fee in Windham County: $243. 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 Windham 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 Windham 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.