Well Water Testing
Why Test and What are you looking for?
Test your Well Water
by Mary Jane Conboy,
Executive Director Well Wise Resource Centre
Technical Support Document for Ontario Drinking Water Standards, Objectives and Guidelines
Appendix A of the Ontario Drinking Water Standards (ODWS) Technical Support Document
Well Aware Booklet for Well Owners: available in PDF only
Click the image to visit My Water Quality for well water testing services.
Check your well water for bacteria contamination at least 3 times per year - spring, summer, and fall. Free testing for E. Coli and Coliform bacteria is available from your local Public Health Unit.
For more information on water testing through your Public Health Unit,
Call ServiceOntario, INFOline at:
1-866-532-3161 (Toll-free) | In Toronto, (416) 314-5518
TTY 1-800-387-5559 | In Toronto, TTY 416-327-4282
Hours of operation : 8:30am - 5:00pm