Dimmit County, TX septic permits and regulations

Septic systems in Dimmit County, Texas are permitted by TCEQ Region 16 - Laredo under 30 TAC Chapter 285.

Septic permit program

  • Program type: Own Program
  • Authorized agent: Dimmit County / TCEQ Region
  • Own septic program: No, uses Texas state rules
  • Local rules beyond the state: No
  • Population: 8,615

Permit fee comparison

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

Local rules

OSSF permitting handled by Dimmit County Sanitation Department, (830) 876-9105, [email protected]. Office at 212 N. 4th St, Ste #5, Carrizo Springs TX 78834.

What SepticPro has on file for Dimmit 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 Dimmit County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for TCEQ Region 16 - Laredo. See how SepticPro site plans work.

Other Texas counties

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