Nassau County, NY septic permits and regulations
Septic systems in Nassau County, New York are permitted by Nassau County Department of Health under 10 NYCRR Appendix 75-A.
Septic permit program
- Program type: County Health Department
- Authorized agent: Nassau County Health Department
- Own septic program: No, uses New York state rules
- Local rules beyond the state: No
- Population: 1,395,774
Permit fee comparison
Average septic permit fee in Nassau County: $300. New York average: $309.
Local rules
Nassau County SEPTIC (Septic Environmental Program to Improve Cleanliness) program. Requires IA OWTS for new construction (since July 2019). 5-year inspection cycle for IA systems.
What SepticPro has on file for Nassau County
- 1 permit fee with sources
- The agency phone, email and office address
- Setback distances
- Soil and perc test requirements
- Allowed system types
- System design rules
- Inspection requirements
- Maintenance and pumping rules
- Point-of-sale rules
- Installer, designer and pumper licensing
Create a free account to see the full details.
Draw a permit-ready site plan for Nassau County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Nassau County Department of Health. See how SepticPro site plans work.
Other New York counties
- Albany County
- Allegany County
- Bronx County
- Broome County
- Cattaraugus County
- Cayuga County
- Chautauqua County
- Chemung County
- Chenango County
- Clinton County
- Columbia County
- Cortland County
- Delaware County
- Dutchess County
- Erie County
- Essex County
- Franklin County
- Fulton County
- Genesee County
- Greene County
- Hamilton County
- Herkimer County
- Jefferson County
- Kings County
Data checked 2026-03-16. Always confirm requirements with Nassau County Department of Health before applying.