Mason County, TX septic permits and regulations

Septic systems in Mason County, Texas are permitted by TCEQ Region 8 - San Angelo under 30 TAC Chapter 285.

Septic permit program

  • Program type: Own Program
  • Authorized agent: Mason County / TCEQ Region
  • Own septic program: No, uses Texas state rules
  • Local rules beyond the state: No
  • Population: 3,953

Permit fee comparison

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

Local rules

All new OSSFs must be permitted regardless of property size. OSSF Designated Officer: Eli Castillo, 325-347-2477, [email protected].

What SepticPro has on file for Mason 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 Mason County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for TCEQ Region 8 - San Angelo. See how SepticPro site plans work.

Other Texas counties

Data checked 2026-03-16. Always confirm requirements with TCEQ Region 8 - San Angelo before applying.