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New Brunswick onsite wastewater

New Brunswick: know the system, the records and the authority.

A province-level starting point for owners, buyers and renovators, plus 5 city-area guides that keep the sewer-versus-onsite question front and centre.

Regulatory starting point

New Brunswick on-site sewage disposal

New Brunswick requires a licensed installer to submit the application for installation, construction, repair or replacement. Provincial inspection and approval are required before work proceeds and again before the system is covered.

What the provincial framework changes

New Brunswick requires a licensed installer to submit the application for installation, construction, repair or replacement. Provincial inspection and approval are required before work proceeds and again before the system is covered.

The practical result is that a septic decision cannot be separated from the property record. The applicable authority may need a permit, registration, filing, notification, approval or certified professional depending on the province and project.

Three files worth building

System fileDesign, permit/approval or filing, as-built plan, tank and field location.
Maintenance filePumping, service, alarms, repairs and treatment-unit maintenance.
Property fileWater supply, easements, setbacks, lot changes and future construction plans.
Transaction fileInspection findings, seller disclosures and unresolved defects before closing.

Official source

New Brunswick on-site sewage disposal

Reviewed 2026-09-14. Check the local authority for parcel-specific permit and record access.

5 New Brunswick city-area guides