Rockwall County, TX septic permits and regulations

Septic systems in Rockwall County, Texas are permitted by TCEQ Region 4 - Dallas/Fort Worth under 30 TAC Chapter 285.

Septic permit program

  • Program type: Tceq Regional
  • Authorized agent: Rockwall County / TCEQ Region
  • Own septic program: Yes
  • Local rules beyond the state: Yes
  • Population: 107,819

Permit fee comparison

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

Local rules

Interlocal agreement gives county OSSF responsibility even in some municipal jurisdictions. Requires 1.5 acres per dwelling for OSSF (stricter than state minimum of 0.5-1.0 acres). Maintenance contracts required for all aerobic treatment systems. OSSF permit must be submitted concurrently with plat application for subdivisions. Also serves as Fire Code Official for commercial building permits. Address: 1101 E Yellowjacket Lane, Suite 130, Rockwall, TX 75087. Hours Mon-Fri 8am-12pm, 1pm-5pm (closed 12-1pm). Fax: 972-204-7609.

What SepticPro has on file for Rockwall 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 Rockwall County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for TCEQ Region 4 - Dallas/Fort Worth. See how SepticPro site plans work.

Other Texas counties

Data checked 2026-03-16. Always confirm requirements with TCEQ Region 4 - Dallas/Fort Worth before applying.