
Texas Well Drilling Cost: What Homeowners Pay in 2026
Texas well drilling costs $8,000 to $30,000+ in 2026. Depth, aquifer, and county drive the price. Here's the breakdown by region.
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.
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.
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.
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.
TCEQ Region 12 - Houston Office
Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
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.
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.
Septic Pumping
Madison County
Septic Inspection
Madison County
Septic Installation
Madison County
Well Water Testing
Madison County
Well Pump Repair
Madison County
Well Drilling
Madison County
Emergency Services
Madison County
Water Treatment
Madison County
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

Texas well drilling costs $8,000 to $30,000+ in 2026. Depth, aquifer, and county drive the price. Here's the breakdown by region.

Texas has roughly 2.6 million on-site septic systems under TCEQ Chapter 285 rules. Here's how permits, costs, and regional soils play out across all 254 counties.

Every Texas private well owner should test for coliform, nitrates, arsenic, and TDS. Here's what each region needs, plus where to send samples.
Get connected with licensed professionals who understand Madison County's regulations and soil conditions. Request a free quote today.
Find Providers