Llano County, TX septic permits and regulations

Septic systems in Llano County, Texas are permitted by Llano County under 30 TAC Chapter 285.

Septic permit program

  • Program type: Own Program
  • Authorized agent: Katie Elkins (OSSF/Floodplain Specialist), Melody Sanchez (OSSF/Development Services Specialist)
  • Own septic program: Yes
  • Local rules beyond the state: No
  • Population: 21,243

Permit fee comparison

Average septic permit fee in Llano County: $260. Texas average: $285.

Local rules

County has own OSSF program administered through Development Services department. OSSF regulations document available online. Online permit portal available via iWorQ system. Allow 7-10 business days for non-floodplain determinations. Contact 325-247-2039.

What SepticPro has on file for Llano County

  • 1 permit fee 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 Llano County

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

Other Texas counties

Data checked 2026-03-16. Always confirm requirements with Llano County before applying.