State Requirements
New York Septic Tank Requirements
Complete guide to septic system requirements in New York (NY). Use our calculator for personalized recommendations.
Regulatory Agency
New York State Department of Health
Permit Required
YesProfessional Install
RequiredMinimum Tank Size
1,000 gal
Tank Size Requirements
| Bedrooms | Min Tank Size | With Garbage Disposal |
|---|---|---|
| 3 | 1,250 gal | 1,875 gal |
| 4 | 1,500 gal | 2,250 gal |
| 1-2 | 1,000 gal | 1,500 gal |
| 5-6 | 2,000 gal | 3,000 gal |
Drainfield Sizing by Soil Type
Minimum square feet of absorption area based on soil percolation rate:
Gravel/Sandy
125
sq ft minimum
Sandy
175
sq ft minimum
Loam
250
sq ft minimum
Clay
350
sq ft minimum
New York Specific Notes
- County health departments issue permits
- Long Island has special watershed requirements
- Adirondack region has stricter rules
Regulatory Contact
New York State 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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