State Requirements
Virginia Septic Tank Requirements
Complete guide to septic system requirements in Virginia (VA). Use our calculator for personalized recommendations.
Regulatory Agency
Virginia Department of Health
Permit Required
YesProfessional Install
RequiredMinimum Tank Size
1,000 gal
Tank Size Requirements
| Bedrooms | Min Tank Size | With Garbage Disposal |
|---|---|---|
| 3 | 1,000 gal | 1,500 gal |
| 4 | 1,250 gal | 1,875 gal |
| 1-2 | 1,000 gal | 1,500 gal |
| 5-6 | 1,500 gal | 2,250 gal |
Drainfield Sizing by Soil Type
Minimum square feet of absorption area based on soil percolation rate:
Gravel/Sandy
100
sq ft minimum
Sandy
150
sq ft minimum
Loam
200
sq ft minimum
Clay
300
sq ft minimum
Virginia Specific Notes
- Chesapeake Bay watershed has nitrogen requirements
- Rocky soils in western Virginia
- Time of sale inspections in some localities
Regulatory Contact
Virginia Department of Health
Important Disclaimer
This information is provided for reference only. Local county or city requirements may be stricter than state minimums. Always verify requirements with your local health department before installation.
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