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Septic & well regulations in Maverick County, TX
Maverick County is located in the Rio Grande Valley region of Texas. Rio Grande Plain with sandy loam, clay, and caliche soils. Rio Grande valley has alluvial deposits. 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 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.
Maverick County Environmental Health
TCEQ Region 13 - San Antonio Office
(210) 490-3096Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Soil & Terrain Characteristics
Rio Grande Plain with sandy loam, clay, and caliche soils. Rio Grande valley has alluvial deposits. Semi-arid conditions. Mixed permeability across the county.
County-Specific Considerations
Maverick County is served by TCEQ Region 13 for OSSF permitting. Eagle Pass is the county seat on the Rio Grande border. Colonias may lack adequate water/wastewater infrastructure. Wells draw from the Carrizo-Wilcox and Edwards-Trinity aquifers.
Find Services in Maverick County
Septic Pumping
Maverick County
Septic Inspection
Maverick County
Septic Installation
Maverick County
Well Water Testing
Maverick County
Well Pump Repair
Maverick County
Well Drilling
Maverick County
Emergency Services
Maverick County
Water Treatment
Maverick County
Drain Field Repair
Maverick County
Septic to Sewer Conversion
Maverick County
Aerobic Septic System
Maverick County
Well Water Filtration
Maverick County
PFAS Water Testing
Maverick County
Related Resources
Septic Permits & Regulations in Maverick County — FAQ
How much does a septic permit cost in Maverick County, TX?
Septic permit fees in Maverick 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 Maverick County?
The septic permit process in Maverick 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 Maverick County?
Yes. Maverick 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 Maverick County, TX?
TCEQ Region 13 - San Antonio Office oversees all septic system inspections in Maverick County. Contact them at (210) 490-3096 to schedule an inspection or ask about requirements.
Can I install my own septic system in Maverick County?
Maverick 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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