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privatewelldata / Certified labs

Certified labs

66 labs from 2 official lists. Updated 2026-10-18. Sources : Ontario MECP – List of Licensed Laboratories · MELCCFP – DR-12-LLA-03 accredited drinking-water labs.

All lists66Ontario MECP licence46Quebec MELCCFP accreditation20

Include labs that likely serve only public water systems

Accepts private well samples (listed) Certified lab Public systems only

AGAT Laboratories Ltd

ON

Ottawa, Ontario · (905) 712-5108

✓ Accepts samples from private citizens

AGAT Laboratories Ltd.

ON

Mississauga, Ontario · (905) 712-5108

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticides

AGAT Laboratories Ltd.

ON

Mississauga, Ontario · (905) 712-5108

✓ Accepts samples from private citizens
Organic chemicals / pesticides

ALS Environmental (Thunder Bay)

ON

Thunder Bay, Ontario · (807) 623-6463

✓ Accepts samples from private citizens
Lead

ALS Environmental (Waterloo)

ON

Waterloo, Ontario · (519) 886-6910

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticides

ALS Environmental (Winnipeg)

ON

Winnipeg, Manitoba · (807) 623-6463

Aquatic and Environmental Laboratory Inc.

ON

Barrie, Ontario · (705) 722-5227

✓ Accepts samples from private citizens

Bureau Veritas Canada (2019) Inc.

ON

Mississauga, Ontario · (905) 817-5700

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticides

Bureau Veritas Canada (2019) Inc.

ON

Unit 4 Mississauga, Ontario · (905) 817-5700

✓ Accepts samples from private citizens
Radioactivity

Caduceon Environmental Laboratories (Barrie)

ON

Ontario · (705) 252-5743

✓ Accepts samples from private citizens

Caduceon Environmental Laboratories (Kingston)

ON

Kingston, Ontario · (613) 544-2001

✓ Accepts samples from private citizens
Organic chemicals / pesticides

Caduceon Environmental Laboratories (Ottawa)

ON

Ottawa, Ontario · (613) 526-0123

✓ Accepts samples from private citizens
Lead

Caduceon Environmental Laboratories (Richmond Hill)

ON

Richmond Hill, Ontario · (289) 475-5442

✓ Accepts samples from private citizens
Organic chemicals / pesticides

Caduceon Environmental Laboratories (Windsor)

ON

Windsor, Ontario · (519) 966-9541

✓ Accepts samples from private citizens

City of Peterborough Environmental Protection Laboratory

ON

Peterborough, Ontario · (705) 742-7777 dial 2,2,1

✓ Accepts samples from private citizens
Lead

E3 Laboratories Inc.

ON

Niagara-on-the-Lake, Ontario · (905) 641-9000

✓ Accepts samples from private citizens

Eurofins Environment Testing Canada Inc.

ON

Ottawa, Ontario · (613) 727-5692

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticides

Gelda Scientific

ON

Mississauga, Ontario · (905) 673-9320

✓ Accepts samples from private citizens

Halton Regional Laboratory

ON

Burlington, Ontario · (905) 825-6000 ext. 6254

Lead

Health Physics Laboratory, Ontario Power Generation

ON

Whitby, Ontario · (905) 430-2215 ext. 402-3277

Radioactivity

Laboratory Services Division, University of Guelph

ON

Guelph, Ontario · (519) 767-6299 Toll Free: 1-877-UofG-AFL (1-877- 863-4235)

Ministry of Labour, Immigration, Training & Skills Development – Radiation Protection Services

ON

Unit 1 Mississauga, Ontario · (888) 999-3921

Radioactivity

Ministry of the Environment, Conservation & Parks – Laboratory Services Branch

ON

Etobicoke, Ontario · (437) 771-9439

LeadOrganic chemicals / pesticides

Near North Laboratories Inc.

ON

North Bay, Ontario · (705) 497-0550

✓ Accepts samples from private citizens

Niagara Analytical Laboratories Inc.

ON

Niagara Falls, Ontario · (905) 374-5227

✓ Accepts samples from private citizens

Paracel Laboratories Ltd.

ON

Ontario · (613) 731-9577

LeadOrganic chemicals / pesticides

Public Health Ontario Laboratory (Kingston)

ON

Kingston, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free)

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Hamilton)

ON

Hamilton, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free)

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (London)

ON

Unit 102 London, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free) Local: (519) 455-9310

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Orillia)

ON

Orillia, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free)

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Ottawa)

ON

Ottawa, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free)

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Peterborough)

ON

Peterborough, Ontario · Customer Service Centre (416) 235-6556 1 (877) 604-4567 (Toll Free)

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Sault Ste. Marie)

ON

Sault Ste. Marie, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free) Local: (705) 254-7132

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Sudbury)

ON

Sudbury, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free) Local: (705) 564-6917

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Thunder Bay)

ON

Thunder Bay, Ontario · Customer Service Centre: (416) 235-6556 1 (877) 604-4567 (Toll Free) Local: (807) 622-6449

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Timmins)

ON

Timmins, Ontario · Customer Service Centre (416) 235-6556 1 (877) 604-4567 (Toll Free)

✓ Accepts samples from private citizens

Public Health Ontario Laboratory (Toronto)

ON

Suite 1701 Toronto, Ontario · Customer Service Centre (416) 235-6556 1 (877) 604-4567 (Toll Free)

✓ Accepts samples from private citizens

SGS Canada Inc. (Lakefield)

ON

Lakefield, Ontario · (705) 652-2000

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticidesRadioactivity

SGS Canada Inc. (London)

ON

London, Ontario · (519) 672-4500

✓ Accepts samples from private citizens

Testmark Laboratories Ltd. (Kirkland Lake)

ON

Kirkland Lake, Ontario · (705) 642-3361

✓ Accepts samples from private citizens

Testmark Laboratories Ltd. (Mississauga)

ON

Mississauga, Ontario · (905) 821-1112

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticides

Testmark Laboratories Ltd. (Sudbury)

ON

Garson, Ontario · (705) 693-1121

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticides

Testmark Laboratories Ltd. (Thunder Bay)

ON

Thunder Bay, Ontario · (807) 333-0921

✓ Accepts samples from private citizens
Lead

Testmark Laboratories Ltd. (Timmins)

ON

Timmins, Ontario · (705) 531-1121

✓ Accepts samples from private citizens
Lead

Toronto Water Laboratory

ON

Toronto, Ontario · (416) 392-2960

LeadOrganic chemicals / pesticides

York-Durham Regional Environmental Laboratory

ON

Pickering, Ontario · (905) 686-0041

✓ Accepts samples from private citizens
LeadOrganic chemicals / pesticides

AGAT Laboratoires

QC

Quebec, Quebec · (514) 337-1082

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

AGAT Laboratoires ltee

QC

Montreal, Quebec · (514) 337-1000

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

Agro-Enviro-Lab

QC

Sainte-Anne-de-la-Pocatiere, Quebec · (418) 867-8883

Bacteria (coliform / E. coli)Nitrate / nitriteMetals

Bureau Veritas Canada (2019) Inc.

QC

Mississauga, Ontario · (905) 823-3080

Radioactivity

Bureau Veritas Canada (2019) inc.

QC

Quebec, Quebec · (418) 658-5784

Bacteria (coliform / E. coli)ArsenicLeadMetalsOrganic chemicals / pesticides

Bureau Veritas Canada (2019) inc.

QC

Montreal, Quebec · (514) 448-9001

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

Centre d'expertise en analyse environnementale du Quebec (MELCCFP)

QC

Quebec, Quebec · (418) 643-8225

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

Centre d'expertise en analyse environnementale du Quebec (MELCCFP)

QC

Laval, Quebec · (450) 664-1750

Nitrate / nitriteArsenicLeadMetalsOrganic chemicals / pesticides

Certilab inc.

QC

Saint-Charles-Borromee, Quebec · (450) 755-1255

Bacteria (coliform / E. coli)Nitrate / nitrite

Debit Lab inc.

QC

Saint-Jerôme, Quebec · (450) 438-6965

Bacteria (coliform / E. coli)

Eurofins EnvironeX

QC

Quebec, Quebec · (418) 977-1220

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

Eurofins EnvironeX

QC

Longueuil, Quebec · (514) 332-6001

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

H2Lab inc.

QC

Rimouski, Quebec · (418) 723-8660

Bacteria (coliform / E. coli)

H2Lab inc.

QC

Rouyn-Noranda, Quebec · (819) 797-0550

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

H2Lab inc.

QC

Joliette, Quebec · (450) 753-1118

Bacteria (coliform / E. coli)

H2Lab inc.

QC

Sainte-Agathe-des-Monts, Quebec · (819) 326-8690

Bacteria (coliform / E. coli)Nitrate / nitriteOrganic chemicals / pesticides

Laboratoire AquaLabo

QC

Saint-Michel, Quebec · (514) 374-0454

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals

SGS Canada Inc.

QC

Lakefield, Ontario · (705) 652-2000

Metals

Techni-Lab S.G.B. Abitibi inc.

QC

Sainte-Germaine-Boule, Quebec · (819) 787-6116

Nitrate / nitriteArsenicLeadMetals

Ville de Gatineau

QC

Gatineau, Quebec · (819) 663-7345

Bacteria (coliform / E. coli)Nitrate / nitriteArsenicLeadMetals