Johnson County, TX septic permits and regulations

Septic systems in Johnson County, Texas are permitted by Johnson County Development Services / Public Works under 30 TAC Chapter 285.

Septic permit program

  • Program type: County Program
  • Authorized agent: Johnson County / TCEQ Region
  • Own septic program: Yes
  • Local rules beyond the state: No
  • Population: 179,927

Permit fee comparison

Average septic permit fee in Johnson County: $375. Texas average: $285.

Local rules

Has Rules of Johnson County for On-Site Sewage Facilities (Order #97-006). Address: Johnson County Annex, 2 N Mill St Suite 305, Cleburne TX 76033. Phone: (817) 556-6380. Hours Mon-Fri 8am-11:45am, 1pm-4:45pm. 2-year service policy required; after initial period, aerobic system owners must maintain maintenance contract. Unauthorized construction can result in civil/administrative penalties. Applications accepted electronically as PDF documents (not photos). Online payment options available.

What SepticPro has on file for Johnson 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 Johnson County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Johnson County Development Services / Public Works. See how SepticPro site plans work.

Other Texas counties

Data checked 2026-03-16. Always confirm requirements with Johnson County Development Services / Public Works before applying.