
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
(214) 665-6444Contact 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
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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
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Emergency Services
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Water Treatment
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Drain Field Repair
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Septic to Sewer Conversion
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Aerobic Septic System
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Well Water Filtration
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PFAS Water Testing
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Septic permit fees in Somervell County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact Somervell County - TCEQ Region 4 Dallas Office at (214) 665-6444 for current fee schedules.
The septic permit process in Somervell 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.
Yes. Somervell 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.
Somervell County - TCEQ Region 4 Dallas Office oversees all septic system inspections in Somervell County. Contact them at (214) 665-6444 to schedule an inspection or ask about requirements.
Somervell County requires septic system installation by licensed contractors. All installations must be permitted through Somervell County - TCEQ Region 4 Dallas Office and pass inspection before the system can be used.

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Get connected with local professionals who understand Somervell County's regulations and soil conditions. Request a free quote today.
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