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Septic & well regulations in Llano County, TX
Llano County is located in the Hill Country region of Texas. Llano Uplift with Precambrian granite and gneiss bedrock, the oldest exposed rock in Texas. Thin sandy soils over granite. Understanding local permit requirements and soil conditions is essential before installing, repairing, or inspecting a septic system.
Permits & Requirements
New Installation
TCEQ OSSF permit required under 30 TAC Chapter 285. Site evaluation required. Permit application submitted to TCEQ Region 11 Austin office. Llano Uplift granite and gneiss make excavation difficult. Properties 10 acres or larger with a single-family dwelling may qualify for the 10-acre exemption.
Repair
Emergency repairs may proceed without prior permit but must be reported to TCEQ within 72 hours. Non-emergency repairs require a permit from TCEQ Region 11.
Inspection
Aerobic systems require inspections 3 times per year by a licensed Maintenance Provider. A 2-year initial maintenance contract is mandatory for all new aerobic installations.
Llano County Environmental Health
TCEQ Region 11 - Austin Office
Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Soil & Terrain Characteristics
Llano Uplift with Precambrian granite and gneiss bedrock, the oldest exposed rock in Texas. Thin sandy soils over granite. Colorado River and Llano River valleys have deeper alluvial deposits. Lake LBJ and Inks Lake along the Colorado River.
County-Specific Considerations
Llano County is served by TCEQ Region 11 Austin office for OSSF permitting. Groundwater Conservation District: Central Texas GCD. Llano is the county seat. Granite quarrying industry. Highland Lakes recreation. Wells tap the Ellenburger and Trinity aquifers through hard rock at variable depths.
Find Services in Llano County
Septic Pumping
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Septic Inspection
Llano County
Septic Installation
Llano County
Well Water Testing
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Well Pump Repair
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Well Drilling
Llano County
Emergency Services
Llano County
Water Treatment
Llano County
Drain Field Repair
Llano County
Septic to Sewer Conversion
Llano County
Aerobic Septic System
Llano County
Well Water Filtration
Llano County
PFAS Water Testing
Llano County
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Septic Permits & Regulations in Llano County — FAQ
How much does a septic permit cost in Llano County, TX?
- Septic permit fees in Llano County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact TCEQ Region 11 - Austin Office at (512) 339-2929 for current fee schedules.
How long does it take to get a septic permit in Llano County?
- The septic permit process in Llano County generally takes 2–6 weeks, depending on soil evaluation scheduling and application completeness. Soil evaluations must be performed by a licensed soil scientist before applying.
Do I need a soil evaluation for a septic permit in Llano County?
- Yes. Llano County requires a professional soil evaluation before issuing any septic permit. A licensed soil scientist evaluates soil type, depth, drainage, and water table levels to determine the appropriate septic system design.
Who handles septic inspections in Llano County, TX?
- TCEQ Region 11 - Austin Office oversees all septic system inspections in Llano County. Contact them at (512) 339-2929 to schedule an inspection or ask about requirements.
Can I install my own septic system in Llano County?
- Llano County requires septic system installation by licensed contractors. All installations must be permitted through TCEQ Region 11 - Austin Office and pass inspection before the system can be used.
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