Provincial framework: In Ontario, Part 8 of the Building Code governs many onsite sewage systems. The authority issuing permits can be a local municipality, health unit or conservation authority; the particular approval office has not been checked for this new city. View governing source →
Town of Caledon onsite-sewage permit and inspection process verified. Confirm the individual property, existing system design, legal permit and service connection before work.
Who approves onsite work near Caledon?
For a Caledon lot not connected to sanitary sewer, contact Town of Caledon Building Services to obtain the onsite-sewage permit, design and inspection requirements. The official page says the Town issues the system approval and a Town inspector must inspect the uncovered system. Do not confuse this with a Peel Region wastewater main service.
Records to request before purchase or renovation
- Property sewer-service confirmation and applicable utility account details.
- Available as-built site plan, past system permit or filing, inspections and commissioning paperwork.
- Pump-out, service and maintenance records, plus details of any expansions or reported failures.
- Site constraints: wells, slopes, flood-prone ground, shoreline setbacks and access for repairs.
When to seek a qualified professional
A design-capacity change, a new dwelling, significant repair, wastewater discharge problem or unknown tank condition can require professional site review and regulator contact. Never enter a septic tank. Stop using affected plumbing if sewage is escaping and obtain qualified assistance.
Official sources
Regulation and municipal starting points
- Ontario Part 8 sewage self-assessment — provincial framework
- Caledon municipal website — service and records starting point, not a verified onsite permit office
- Town of Caledon — Septic Systems (approval, design and inspection) — checked October 11, 2026