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Septic & well regulations in Frio County, TX
Frio County is located in the Gulf Coast region of Texas. South Texas Brush Country with sandy loam and clay soils over the Carrizo-Wilcox and Gulf Coast Aquifers. Frio River creates alluvial zones. 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 including soil analysis required. Permit application submitted to TCEQ Region 13 San Antonio office. 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 13.
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.
Frio County Environmental Health
TCEQ Region 13 - San Antonio Office
Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Soil & Terrain Characteristics
South Texas Brush Country with sandy loam and clay soils over the Carrizo-Wilcox and Gulf Coast Aquifers. Frio River creates alluvial zones. Mixed soil permeability varies across the county.
County-Specific Considerations
Frio County is served by TCEQ Region 13 San Antonio office for OSSF permitting. Pearsall is the county seat. Eagle Ford Shale oil and gas activity has increased development. Wells tap the Carrizo-Wilcox Aquifer at moderate to deep depths.
Find Services in Frio County
Septic Pumping
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Septic Inspection
Frio County
Septic Installation
Frio County
Well Water Testing
Frio County
Well Pump Repair
Frio County
Well Drilling
Frio County
Emergency Services
Frio County
Water Treatment
Frio County
Drain Field Repair
Frio County
Septic to Sewer Conversion
Frio County
Aerobic Septic System
Frio County
Well Water Filtration
Frio County
PFAS Water Testing
Frio County
Related Resources
Septic Permits & Regulations in Frio County — FAQ
How much does a septic permit cost in Frio County, TX?
- Septic permit fees in Frio County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact TCEQ Region 13 - San Antonio Office at (210) 490-3096 for current fee schedules.
How long does it take to get a septic permit in Frio County?
- The septic permit process in Frio 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 Frio County?
- Yes. Frio 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 Frio County, TX?
- TCEQ Region 13 - San Antonio Office oversees all septic system inspections in Frio County. Contact them at (210) 490-3096 to schedule an inspection or ask about requirements.
Can I install my own septic system in Frio County?
- Frio County requires septic system installation by licensed contractors. All installations must be permitted through TCEQ Region 13 - San Antonio Office and pass inspection before the system can be used.
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