Jefferson County, MS septic permits and regulations

Septic systems in Jefferson County, Mississippi are permitted by Jefferson County Health Department under Mississippi Code Title 41, Chapter 67; Admin. Code Title 15, Part 18, Subpart 77.

Septic permit program

  • Program type: State Agency
  • Authorized agent: Jefferson County Health Department
  • Own septic program: No, uses Mississippi state rules
  • Local rules beyond the state: No
  • Population: 7,260

Permit fee comparison

Average septic permit fee in Jefferson County: $183. Mississippi average: $183.

Local rules

County operates under state-level Mississippi Individual Onsite Wastewater Disposal System Law. Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Jefferson 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

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Draw a permit-ready site plan for Jefferson County

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

Other Mississippi counties

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