Grayson County, TX septic permits and regulations
Septic systems in Grayson County, Texas are permitted by Grayson County (Authorized Agent of TCEQ) under 30 TAC Chapter 285.
Septic permit program
- Program type: County Program
- Authorized agent: Grayson County / TCEQ Region
- Own septic program: Yes
- Local rules beyond the state: No
- Population: 135,543
Permit fee comparison
Average septic permit fee in Grayson County: $170. Texas average: $285.
Local rules
Authorized agent of TCEQ and State of Texas. County modified OSSF rules Aug 8, 2021 to allow half-acre lots in certain circumstances. Has own Grayson County On-Site Sewage Facility Rules. 2-year continuous maintenance contract required for proprietary systems; new contract must be purchased 30 days before expiration. Affidavit to the Public required and filed with County Clerk. Mon-Fri 8am-5pm.
What SepticPro has on file for Grayson County
- 6 permit fees 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 Grayson County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Grayson County (Authorized Agent of TCEQ). See how SepticPro site plans work.
Other Texas counties
- Anderson County
- Andrews County
- Angelina County
- Aransas County
- Archer County
- Armstrong County
- Atascosa County
- Austin County
- Bailey County
- Bandera County
- Bastrop County
- Baylor County
- Bee County
- Bell County
- Bexar County
- Blanco County
- Borden County
- Bosque County
- Bowie County
- Brazoria County
- Brazos County
- Brewster County
- Briscoe County
- Brooks County
Data checked 2026-03-16. Always confirm requirements with Grayson County (Authorized Agent of TCEQ) before applying.