Gonzales County, TX septic permits and regulations

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

Septic permit program

  • Program type: County Program
  • Authorized agent: Jimmy Harless, CFM, DR
  • Own septic program: Yes
  • Local rules beyond the state: No
  • Population: 19,653

Permit fee comparison

Average septic permit fee in Gonzales County: $210. Texas average: $285.

Local rules

Address: 1811 Water Street, Gonzales, TX 78629. Fax: 830-672-3563. Hours: Mon-Fri 7:30am-11:30am, 12:30pm-4:30pm. Staff: Jimmy Harless (DR, [email protected]), Elizabeth Crow (Admin Asst, [email protected]). Maintenance contract required for aerobic systems.

What SepticPro has on file for Gonzales County

  • 2 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 Gonzales County

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

Other Texas counties

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