List of Licensed Laboratories
This is a list of laboratories licensed to perform drinking water tests in Ontario. Prior to submitting samples please contact the licensed laboratory to determine if samples will be accepted.
| Laboratory Name | Shipping Address | Customer Service Contact | Valid Licence Class: Micro-biological | Valid Licence Class: Organic Chemical | Valid Licence Class: Radio-analytical | Valid Licence Class: Physical/Other | Valid Licence Class: Inorganic Chemical |
|---|---|---|---|---|---|---|---|
| ALS Laboratory Group (Environmental Division) – Winnipeg | 1329 Niakwa Road East Unit 12 Winnipeg, MB R2T 3T4 | Brenda Boudreau Brenda.Boudreau@ALSGlobal.com | Yes | Yes |
| Laboratory Name | Shipping Address | Customer Service Contact | Valid Licence Class: Micro-biological | Valid Licence Class: Organic Chemical | Valid Licence Class: Radio-analytical | Valid Licence Class: Physical/Other | Valid Licence Class: Inorganic Chemical |
|---|---|---|---|---|---|---|---|
| Testmark — Kirkland Lake | 1470 Government Road W, Box 426, Kirkland Lake, ON P2N 3J1 | Customer Service kirkland.lake@testmark.ca | Yes | Yes | Yes | ||
| AGAT Laboratories Ltd. | 5835 Coopers Ave., Mississauga, ON L4Z 1Y2 | Lori Smith lsmith@agatlabs.com | Yes | Yes | Yes | Yes | |
| AGAT Laboratories Ltd. | 5623 McAdam Road, Mississauga, ON L4Z 1N9 | Lori Smith lsmith@agatlabs.com | Yes | ||||
| ALS Laboratory Group (Environmental Division) Thunder Bay | 1081 Barton St., Thunder Bay, ON P7B 5N3 | Brenda Boudreau Brenda.Boudreau@alsglobal.com | Yes | Yes | Yes | ||
| ALS Laboratory Group (Environmental Division) Waterloo | 60 Northland Rd, Unit 1, Waterloo, ON N2V 2B8 | Brenda Boudreau Brenda.Boudreau@ALSGlobal.com | Yes | Yes | Yes | Yes | |
| Aquatic and Environmental Laboratory Inc. | 3239 Penetanguishene Rd, Barrie, ON L4M 4Y8 | Customer Service aquaenvirolab@gmail.com | Yes | Yes | |||
| Caduceon Environmental Laboratories Kingston | 285 Dalton Avenue, Kingston, ON K7M 6Z1 | contactkingston@caduceonlabs.com | Yes | Yes | Yes | Yes | |
| Caduceon Environmental Laboratories Ottawa | 2378 Holly Lane, Ottawa, ON K1V 7P1 | contactottawa@caduceonlabs.com | Yes | Yes | Yes | ||
| Caduceon Environmental Laboratories Richmond Hill | 110 West Beaver Creek Rd, Suite 14, Richmond Hill, ON L4B 1J9 | contactrichmondhill@caduceonlabs.com | Yes | Yes | |||
| Caduceon Environmental Laboratories - Barrie | 112 Commerce Park Road Barrie, ON L4N 8W8 | contactbarrie@caduceonlabs.com | Yes | Yes | |||
| Caduceon Environmental Laboratories Windsor | 3201 Marentette Ave, #5, Windsor, ON N8X 4G3 | contactwindsor@caduceonlabs.com | Yes | Yes | |||
| City of Hamilton Environmental Laboratory | 700 Woodward Ave, Hamilton, ON L8H 6P4 | Angie Evans Angie.Evans@hamilton.ca | Yes | Yes | Yes | Yes | |
| City of Ottawa Laboratory Services | 800 Green Creek Drive, Gloucester, ON K1J 1A6 | Walt Wang walt.wang@ottawa.ca | Yes | Yes | Yes | Yes | |
| City of Peterborough Environmental Protection Laboratory | 425 Kennedy Road, Peterborough, ON K9J 1B6 | dial 2,2,1 ESLab@peterborough.ca | Yes | Yes | Yes | ||
| E3 Laboratories Inc. | RR#4, 360 York Rd, Unit 10, Niagara-on-the-Lake, ON L0S 1J0 | info@e3labs.ca | Yes | ||||
| Eurofins Environment Testing Canada Inc. - Ottawa | 146 Colonnade Rd, Suite 8, Ottawa, ON K2E 7Y1 | infocanada@eurofinset.ca | Yes | Yes | Yes | Yes | |
| Gelda Scientific | 6320 Northwest Drive, Mississauga, ON L4V 1J7 | Damien Boyd damien@gelda.ca | Yes | ||||
| Halton Regional Laboratory | 1135 Lakeshore Road, Burlington, ON L7S 1A8 | Monica Klawunn monica.klawunn@halton.ca | Yes | Yes | Yes | ||
| Health Physics Laboratory, Ontario Power Generation | 1549 Victoria Street E, Whitby, ON L1N 9E3 | Tammi Foggetti Tammi.Foggetti@opg.com | Yes | ||||
| Laboratory Services Division, University of Guelph | 95 Stone Road W, Guelph, ON N1H 8J7 | aflinfo@uoguelph.ca | Yes | ||||
| Bureau Veritas Laboratories Radiological | 6790 Kitimat Road, Unit 4 Mississauga, ON L5N 5L9 | ontariodrinkingwater-YYZ@bureauveritas.com | Yes | ||||
| Bureau Veritas Laboratories | 6740 Campobello Road, Mississauga, ON L5N 2L8 | ontariodrinkingwater-YYZ@bureauveritas.coma | Yes | Yes | Yes | ||
| Bureau Veritas Laboratories | 6660 Campobello Road, Mississauga, ON L5N 2L9 | ontariodrinkingwater-YYZ@bureauveritas.com | Yes | ||||
| Near North Laboratories Inc. | 11-191 Booth Rd, RR#5, North Bay, ON P1A 4K3 | office@nearnorthlabs.ca | Yes | Yes | Yes | ||
| Niagara Analytical Laboratories Inc. | 5805 Progress Street, Niagara Falls, ON L2E 6X8 | mail@nalabs.ca | Yes | ||||
| Paracel Laboratories Ltd. | #300-2319 St. Laurent Blvd. Ottawa, ON K1G 4J8 | paracel@paracellabs.com | Yes | Yes | Yes | Yes | |
| Regional Municipality of Waterloo, Environmental Laboratory | 100 Maple Grove Road, Cambridge, ON N3H 4R6 | AnnMarie Wright awright@regionofwaterloo.ca | Yes | Yes | Yes | Yes | |
| SGS Environmental Services - Lakefield | 185 Concession Street, Lakefield, ON K0L 2H0 | Lakefield.EHS.Clientenquiry@sgs.com | Yes | Yes | Yes | Yes | Yes |
| SGS Environmental Services - London | 657 Consortium Court, London, ON N6E 2S8 | Angela Stott angela.stott@sgs.com | Yes | Yes | |||
| Testmark Laboratories Ltd. Sudbury | 7 Margaret Street, Garson, ON P3L 1E1 | Customer Service garson@testmark.ca | Yes | Yes | Yes | Yes | |
| Testmark Laboratories Ltd. Timmins | 1335 Riverside Drive, Unit #102, Timmins, ON P4R 1A6 | Customer Service timmins@testmark.ca | Yes | Yes | Yes | ||
| Testmark Laboratories Ltd. - Mississauga | 6820 Kitimat Road, Unit 4, Mississauga, ON L5N 5M3 | Customer Service mississauga@testmark.ca | Yes | Yes | Yes | Yes | |
| Testmark Laboratories Ltd. - Thunder Bay | 1131 Central Ave., Unit 2, Thunder Bay, ON P7B 7C9 | Customer Service thunder.bay@testmark.ca | Yes | Yes | Yes | ||
| Toronto Water Laboratory Central Laboratory | 545 Commissioners Street, Toronto, ON M4M 1A5 | Nawshaba.Dawood@toronto.ca | Yes | Yes | Yes | ||
| Toronto Water Laboratory Dee Ave. | 30 Dee Avenue, Toronto, ON M9N 1S9 | Nawshaba.Dawood@toronto.ca | Yes | Yes | Yes | ||
| York-Durham Regional Environmental Laboratory | 901 McKay Road, Pickering, ON L1W 3A3 | rel@durham.ca | Yes | Yes | Yes | Yes | |
| Ministry of the Environment, Conservation & Parks | 125 Resources Road, Etobicoke, ON M9P 3V6 | Emerson Perez emerson.perez@ontario.ca | Yes | Yes | Yes | Yes | |
| Ministry of Labour, Immigration, Training & Skills Development | 6295 Northam Drive, Unit 1 Mississauga, ON L4V 1W8 | rpslaboratory@ontario.ca | Yes | ||||
| Public Health Ontario Laboratory London | 1200 Commissioners. Rd. E., Unit 102 London, ON N5Z 4R3 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Sudbury | 1300 Paris St., Suite 2, Sudbury, ON P3E 6H3 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Timmins | 67 Wilson Avenue, Timmins, ON P4N 2S5 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Hamilton | 250 Fennell Avenue West, Hamilton, ON L8N 3R5 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Sault Ste. Marie | 160 McDougald Street, Sault Ste. Marie, ON P6A 3A8 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Orillia | 750 Memorial Avenue, Orillia, ON L3V 6K5 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Kingston | 181 Barrie Street, Kingston, ON K7L 3K2 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Ottawa | 2380 St. Laurent Blvd., Ottawa, ON K1G 6C4 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Peterborough | 99 Hospital Drive, Peterborough, ON K9J 6Y8 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Thunder Bay | 336 South Syndicate Ave., Thunder Bay, ON P7E 1E3 | Customer Service Centre customerservicecentre@oahpp.ca | Yes | ||||
| Public Health Ontario Laboratory Toronto | 661 University Ave, Suite 1701 Toronto, ON M5G 1M1 | Customer Service Centre customerservicecentre@oahpp.ca | Yes |
Prior to submitting samples, please contact the licensed laboratory to determine if samples will be accepted. Some laboratories will not accept samples from external clients.
Updated: October 07, 2025
Published: April 08, 2016