Hays County, TX septic permits and regulations
Septic systems in Hays County, Texas are permitted by Hays County Development Services under 30 TAC Chapter 285.
Septic permit program
- Program type: County Program
- Authorized agent: Hays County / TCEQ Region
- Own septic program: Yes
- Local rules beyond the state: Yes
- Population: 241,067
Permit fee comparison
Average septic permit fee in Hays County: $610. Texas average: $285.
Local rules
Has local OSSF rules adopted by county order beyond TAC 285. Applies to facilities treating up to 5,000 GPD. New septic system fee: $610. Apply online via mgoconnect.org. Complete fee schedule on Documents & Forms page.
What SepticPro has on file for Hays County
- 2 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 Hays County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Hays County Development Services. 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 Hays County Development Services before applying.