Septic permit rules and requirements in New Jersey
In New Jersey, the state sets the rule. The septic permit comes from your local health department. For some systems the state issues it itself. The code is N.J.A.C. 7:9A (Standards for Individual Subsurface Sewage Disposal Systems). New Jersey Administrative Code § 7:9A-3.5 and § 7:9A-3.9 · checked 2026-09-12
Your local health department
Issues the permit
checked 2026-09-12
N.J.A.C. 7:9A (Standards for Individual Subsurface Sewage Disposal Systems)
Code section
checked 2026-09-23
Who decides a septic permit in New Jersey
Your local health department issues an ordinary residential permit. For some systems the state issues it itself. The state sets the floor.
The board of health having jurisdiction issues most septic permits. The department issues one when a design does not meet the rule or the project is large.
New Jersey Administrative Code § 7:9A-3.5 and § 7:9A-3.9 · checked 2026-09-12
The floor state law sets
The rules that govern every septic system in New Jersey are N.J.A.C. 7:9A (Standards for Individual Subsurface Sewage Disposal Systems). Every local permit is issued under them.
It stops pollution from a poorly placed or built septic system. It also protects drinking water and public health.
New Jersey Administrative Code, Title 7, Chapter 9A · checked 2026-09-23
New Jersey counties on this site
We have not published a New Jersey county page yet. A county earns a page when we hold facts unique to it. Until then this page is the answer for every county in the state.
Telling us your county is how we decide which one to build next.
Sources
State records only. Each figure above has a government source and a checked-on date. County figures live on the county pages.
Verify before you act. Septic rules are set locally and they change. Check anything here with your local health department before you spend money on it.