Harrison County, TX septic permits and regulations

Septic systems in Harrison County, Texas are permitted by TCEQ Region 5 - Tyler under 30 TAC Chapter 285.

Septic permit program

  • Program type: Tceq Regional
  • Authorized agent: Harrison County / TCEQ Region
  • Own septic program: No, uses Texas state rules
  • Local rules beyond the state: No
  • Population: 68,839

Permit fee comparison

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

Local rules

Office at 2005 Warren Drive, Marshall, TX 75672. Phone: 903-935-4870 ext 1362, Fax: 903-938-0969. Main courthouse: 903-935-8400. 10-acre self-install rule: homeowners may self-install OSSF for single-family dwellings on property they own if solely for personal use, no property development for sale/lease, and all TCEQ regulations followed. Multiple homes on one 10-acre property converts to multifamily requiring county permits. Property development must have roadway big enough for largest EMS vehicles. Designer and Installer II list available. Subdivision/Mobile Home/RV/Tiny Home Park application form available (2024).

What SepticPro has on file for Harrison 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

Create a free account to see the full details.

Draw a permit-ready site plan for Harrison County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for TCEQ Region 5 - Tyler. See how SepticPro site plans work.

Other Texas counties

Data checked 2026-03-16. Always confirm requirements with TCEQ Region 5 - Tyler before applying.