Delaware County, PA septic permits and regulations

Septic systems in Delaware County, Pennsylvania are permitted by Delaware County Health Department - Environmental Health Division under 25 PA Code Chapter 73.

Septic permit program

  • Program type: County Health Department (Delegated Agency)
  • Authorized agent: Delaware County Conservation District
  • Own septic program: No, uses Pennsylvania state rules
  • Local rules beyond the state: No
  • Population: 576,830

Permit fee comparison

Average septic permit fee in Delaware County: $318. Pennsylvania average: $393.

Local rules

County operates under state-level 25 Pa. Code Chapter 73 (Standards for Onlot Sewage Treatment Facilities). Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Delaware County

  • 54 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 Delaware County

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

Other Pennsylvania counties

Data checked 2026-03-16. Always confirm requirements with Delaware County Health Department - Environmental Health Division before applying.