Public Health Ontario Laboratory (Thunder Bay)

Public Health Ontario Laboratory (Thunder Bay) is on the official list: Ontario MECP licence; accepts private well samples. Updated 2026-10-18.

Thunder Bay, Ontario

Call ahead: certification lists include some labs that only test for public water systems.

Certified by: Ontario MECP licence
Accepts samples from private citizens: ✓
Official scope: Licence classes: Microbiological
Contact: 336 South Syndicate Ave., Thunder Bay, ON P7E 1E3
Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free) Local: (807) 622-6449
customerservicecentre@oahpp.ca
Source: Ontario MECP – List of Licensed Laboratories
Licence: Open Government Licence – Ontario
Record refreshed: 2026-10-18

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