Who approves septic work around Niagara Falls?
For Niagara Falls properties using a private sewage system, Niagara Region—not the City of Niagara Falls counter—is the identified Part 8 application and inspection authority. Contact the regional onsite-sewage section for permits, tank changes, inspections, file search, and the special-review route when adding bedrooms, bathrooms or floor area.
Niagara Region lists different permit and inspection categories for new systems, tank replacement, system alteration, decommissioning and special requests for renovations. A regional permit does not confirm the existing property’s design capacity or setbacks.
Official sources for this guide
Official authority route
- Ontario sewage self-assessmentProvincial · topic-specific
- Niagara Region — sewage system permit applications, fees and inspectionsLocal authority · septic/permit-specific
- Niagara Region — sewage system permit applications, fees and inspections — municipal or regional authority details, reviewed October 11, 2026