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Septic & well regulations in Dawson County, TX
Dawson County is located in the West Texas / Permian Basin region of Texas. Southern High Plains with sandy loam and clay loam soils over the Ogallala Aquifer. Cotton farming dominates the landscape. 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 including soil analysis required. Permit application submitted to TCEQ Region 7 Midland 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 7.
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.
Dawson County Environmental Health
TCEQ Region 7 - Midland Office
Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Soil & Terrain Characteristics
Southern High Plains with sandy loam and clay loam soils over the Ogallala Aquifer. Cotton farming dominates the landscape. Sandy soils generally support conventional systems. Caliche layers at moderate depths in some areas.
County-Specific Considerations
Dawson County is served by TCEQ Region 7 Midland office for OSSF permitting. Groundwater Conservation District: Sandy Land Underground Water Conservation District. Lamesa is the county seat. Agricultural economy with cotton primary crop. Wells tap the Ogallala at moderate depths with declining levels.
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Septic Installation
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Dawson County
Emergency Services
Dawson County
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Drain Field Repair
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Septic to Sewer Conversion
Dawson County
Aerobic Septic System
Dawson County
Well Water Filtration
Dawson County
PFAS Water Testing
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Related Resources
Septic Permits & Regulations in Dawson County — FAQ
How much does a septic permit cost in Dawson County, TX?
- Septic permit fees in Dawson County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact TCEQ Region 7 - Midland Office at (432) 570-1359 for current fee schedules.
How long does it take to get a septic permit in Dawson County?
- The septic permit process in Dawson 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 Dawson County?
- Yes. Dawson 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 Dawson County, TX?
- TCEQ Region 7 - Midland Office oversees all septic system inspections in Dawson County. Contact them at (432) 570-1359 to schedule an inspection or ask about requirements.
Can I install my own septic system in Dawson County?
- Dawson County requires septic system installation by licensed contractors. All installations must be permitted through TCEQ Region 7 - Midland Office and pass inspection before the system can be used.
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