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Septic & well regulations in Madison County, TX
Madison County is located in the Central Texas region of Texas. Post Oak Belt with sandy loam and clay soils over the Carrizo-Wilcox Aquifer. Trinity River bottomlands have 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 12 Houston 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 12.
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.
Madison County Environmental Health
TCEQ Region 12 - Houston Office
(713) 767-3500Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Soil & Terrain Characteristics
Post Oak Belt with sandy loam and clay soils over the Carrizo-Wilcox Aquifer. Trinity River bottomlands have alluvial deposits. Sandy upland soils support conventional systems.
County-Specific Considerations
Madison County is served by TCEQ Region 12 Houston office for OSSF permitting. Madisonville is the county seat on I-45. Rural county. Wells draw from the Carrizo-Wilcox Aquifer.
Find Services in Madison County
Septic Pumping
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Septic Inspection
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Septic Installation
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Well Water Testing
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Well Pump Repair
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Well Drilling
Madison County
Emergency Services
Madison County
Water Treatment
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Drain Field Repair
Madison County
Septic to Sewer Conversion
Madison County
Aerobic Septic System
Madison County
Well Water Filtration
Madison County
PFAS Water Testing
Madison County
Related Resources
Septic Permits & Regulations in Madison County — FAQ
How much does a septic permit cost in Madison County, TX?
Septic permit fees in Madison County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact TCEQ Region 12 - Houston Office at (713) 767-3500 for current fee schedules.
How long does it take to get a septic permit in Madison County?
The septic permit process in Madison 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 Madison County?
Yes. Madison 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 Madison County, TX?
TCEQ Region 12 - Houston Office oversees all septic system inspections in Madison County. Contact them at (713) 767-3500 to schedule an inspection or ask about requirements.
Can I install my own septic system in Madison County?
Madison County requires septic system installation by licensed contractors. All installations must be permitted through TCEQ Region 12 - Houston Office and pass inspection before the system can be used.
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