Bastrop County, TX septic permits and regulations

Septic systems in Bastrop County, Texas are permitted by Bastrop County Development Services - Environmental & Sanitation Services under 30 TAC Chapter 285.

Septic permit program

Program type: County Program
Authorized agent: Phillip Merino
Own septic program: Yes
Local rules beyond the state: Yes
Population: 97,216

Permit fee comparison

Average septic permit fee in Bastrop County: $508. Texas average: $285.

Local rules

All septic installations/alterations require permit regardless of acreage (stricter than state - no 10-acre exemption). Permit to Construct valid 1 year. License to Operate approval lasts for system's lifetime. Min lot: 0.5 acre with public water, 1 acre without. 2-year maintenance contract required for new aerobic systems; homeowners may self-maintain after initial period with approved training. Half-acre or smaller lots require design by Professional Sanitarian or PE regardless of system type. OSSF order updated June 2024. Address: 211 Jackson St, Bastrop TX 78602. Fax: (512) 581-7178. System sizing: structures up to 1,500 sq ft = minimum 180 GPD; multiple occupied structures = minimum 750-gallon tank per home.

What SepticPro has on file for Bastrop County

24 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

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Draw a permit-ready site plan for Bastrop County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Bastrop County Development Services - Environmental & Sanitation Services. See how SepticPro site plans work.

Other Texas counties

Data checked 2026-03-16. Always confirm requirements with Bastrop County Development Services - Environmental & Sanitation Services before applying.