
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.
Somervell County is located in the North Texas / DFW region of Texas. Cross Timbers and Prairies with sandy loam and limestone terrain. Brazos River and Paluxy River create alluvial zones. 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 4 Dallas 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 4.
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.
Somervell County - TCEQ Region 4 Dallas Office
Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Cross Timbers and Prairies with sandy loam and limestone terrain. Brazos River and Paluxy River create alluvial zones. Dinosaur Valley State Park area. Mixed soil types with limestone outcrops.
Somervell County is the second-smallest county in Texas. Served by TCEQ Region 4 for OSSF permitting. Glen Rose is the county seat. Dinosaur Valley State Park. Comanche Peak Nuclear Power Plant. Fossil Rim Wildlife Center. Wells draw from the Trinity Aquifer system.
Septic Pumping
Somervell County
Septic Inspection
Somervell County
Septic Installation
Somervell County
Well Water Testing
Somervell County
Well Pump Repair
Somervell County
Well Drilling
Somervell County
Emergency Services
Somervell County
Water Treatment
Somervell County
Drain Field Repair
Somervell County
Septic to Sewer Conversion
Somervell County
Aerobic Septic System
Somervell County
Well Water Filtration
Somervell County
PFAS Water Testing
Somervell 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 Somervell County's regulations and soil conditions. Request a free quote today.
Find Providers