Water testing · 8 min
Best water testing labs in Canada
Accredited labs we’d recommend over free dealer tests: Paracel, Bureau Veritas, AGAT, Caduceon and the Maxxam brand homeowners still search for.
Looking for a lab or free test option? Find a Water Test · Not sure which system you need? Run the Water Problem Wizard for a recommended stack and installed cost ranges.
What “best” means here
We are not a laboratory and we are not paid by these labs. “Best” means reputable, accredited options Canadians use for design-grade drinking and well water results — preferable to free in-home dealer tests when you need comprehensive analysis.
Labs we’d recommend
### Paracel Laboratories
Excellent reputation. Strong for metals, hardness, PFAS, bacteria, organics and drinking-water panels.
### Bureau Veritas
Large Canadian laboratory network for residential, commercial and environmental work. National coverage.
### AGAT Laboratories
National Canadian laboratory offering drinking water, well water, environmental and industrial testing.
### Caduceon Environmental Laboratories
Ontario-based. Often used by municipalities and contractors.
### Maxxam (now Bureau Veritas)
Still widely recognized by homeowners. Services continue under the Bureau Veritas brand.
How to choose
- Ontario focus → Paracel, Caduceon, BV/AGAT
- National kit shipping → Bureau Veritas or AGAT
- PFAS or organics → confirm the lab’s current PFAS package before ordering
- Bacteria only on a well → check free public health first
Discovery layer
Use Find a Water Test or browse the full lab directory. When results suggest treatment, we match one vetted local installer — unbiased advice first, then help installing the right system.