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Septic & well regulations in Wise County, TX
Wise County is located in the North Texas / DFW region of Texas. Cross Timbers and Blackland Prairie transition with sandy loam and clay soils. Lake Bridgeport and Eagle Mountain Lake. 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. Wise County Environmental Health serves as a TCEQ Authorized Agent for local OSSF permitting. Site evaluation required. 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 within 72 hours. Non-emergency repairs require a permit from Wise County Environmental Health.
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.
Wise County Environmental Health
Wise County Environmental Health
(940) 627-3261Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.
Soil & Terrain Characteristics
Cross Timbers and Blackland Prairie transition with sandy loam and clay soils. Lake Bridgeport and Eagle Mountain Lake. West Fork Trinity River. Mixed soil permeability.
County-Specific Considerations
Wise County is a TCEQ Authorized Agent handling OSSF permits locally. Decatur is the county seat. Growing DFW exurb. Barnett Shale natural gas production. Lake Bridgeport recreation. Wells draw from the Trinity Aquifer system. Groundwater Conservation District: Upper Trinity GCD.
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Septic Installation
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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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Related Resources
Septic Permits & Regulations in Wise County — FAQ
How much does a septic permit cost in Wise County, TX?
Septic permit fees in Wise County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact Wise County Environmental Health at (940) 627-3261 for current fee schedules.
How long does it take to get a septic permit in Wise County?
The septic permit process in Wise 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 Wise County?
Yes. Wise 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 Wise County, TX?
Wise County Environmental Health oversees all septic system inspections in Wise County. Contact them at (940) 627-3261 to schedule an inspection or ask about requirements.
Can I install my own septic system in Wise County?
Wise County requires septic system installation by licensed contractors. All installations must be permitted through Wise County Environmental Health and pass inspection before the system can be used.
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