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Septic & well regulations in Castro County, TX
Castro County is located in the Panhandle / High Plains region of Texas. Flat High Plains irrigated farmland with deep clay loam and sandy loam soils over the Ogallala Aquifer. Pullman clay loam series is common. 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 1 Lubbock 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 1. A licensed Installer must assess the system failure and submit a repair application.
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. Conventional systems have no mandatory inspection schedule but should be pumped every 3-5 years.
Castro County Environmental Health
Castro County - TCEQ Region 1 Lubbock Office
Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Soil & Terrain Characteristics
Flat High Plains irrigated farmland with deep clay loam and sandy loam soils over the Ogallala Aquifer. Pullman clay loam series is common. Soils generally support conventional septic with adequate depth, though caliche layers may be encountered.
County-Specific Considerations
Castro County is served by TCEQ Region 1 Lubbock office for OSSF permitting. Groundwater Conservation District: High Plains Underground Water Conservation District No. 1. Dimmitt is the county seat. Heavy agricultural irrigation has led to significant Ogallala Aquifer depletion. Wells tap the Ogallala at 200-400 feet with declining levels and hard water.
Find Services in Castro 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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Castro County
Emergency Services
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Water Treatment
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Drain Field Repair
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Septic to Sewer Conversion
Castro County
Aerobic Septic System
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Well Water Filtration
Castro County
PFAS Water Testing
Castro County
Related Resources
Septic Permits & Regulations in Castro County — FAQ
How much does a septic permit cost in Castro County, TX?
- Septic permit fees in Castro County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact Castro County - TCEQ Region 1 Lubbock Office at (806) 796-7092 for current fee schedules.
How long does it take to get a septic permit in Castro County?
- The septic permit process in Castro 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 Castro County?
- Yes. Castro 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 Castro County, TX?
- Castro County - TCEQ Region 1 Lubbock Office oversees all septic system inspections in Castro County. Contact them at (806) 796-7092 to schedule an inspection or ask about requirements.
Can I install my own septic system in Castro County?
- Castro County requires septic system installation by licensed contractors. All installations must be permitted through Castro County - TCEQ Region 1 Lubbock Office and pass inspection before the system can be used.
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