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Septic & well regulations in Parker County, TX
Parker County is located in the North Texas / DFW region of Texas. Cross Timbers and Blackland Prairie transition with sandy loam and clay soils. Brazos River tributaries and Lake Weatherford. 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. Parker 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 Parker 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.
Parker County Environmental Health
Parker County Environmental Health
(817) 594-6110Contact 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. Brazos River tributaries and Lake Weatherford. Mixed permeability. Limestone outcrops in some areas.
County-Specific Considerations
Parker County is a TCEQ Authorized Agent handling OSSF permits locally. Weatherford is the county seat. Rapidly growing DFW suburb. Cutting horse capital of the world. Wells draw from the Trinity Aquifer system. Groundwater Conservation District: Upper Trinity GCD.
Find Services in Parker County
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Septic Installation
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Well Water Testing
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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
Parker County
Well Water Filtration
Parker County
PFAS Water Testing
Parker County
Related Resources
Septic Permits & Regulations in Parker County — FAQ
How much does a septic permit cost in Parker County, TX?
Septic permit fees in Parker County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact Parker County Environmental Health at (817) 594-6110 for current fee schedules.
How long does it take to get a septic permit in Parker County?
The septic permit process in Parker 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 Parker County?
Yes. Parker 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 Parker County, TX?
Parker County Environmental Health oversees all septic system inspections in Parker County. Contact them at (817) 594-6110 to schedule an inspection or ask about requirements.
Can I install my own septic system in Parker County?
Parker County requires septic system installation by licensed contractors. All installations must be permitted through Parker County Environmental Health and pass inspection before the system can be used.
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