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Water Quality and Testing

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​​​Metro Vancouver uses a multi-barrier a​​​​​pproach

A multi-barrier approach is used to ensuring high quality​ water. This includes protected watersheds, water treatment, and maintenance of water quality in the system. A monitoring program is in place across the entire system from the treatment facilities through the distribution system to our customers, the municipalities.​​​​​​

Daily drinking water testing 

Metro Vancouver conducts daily tests on our drinking water—analyzing more than 45,000​ water samples each year. Results are public and found in annual Water Quality Control reports.

Volume 1 uses data summaries and graphics to highlight water quality issues, and Volume 2 provides chemical and physical monitoring results (actual data), including numerous water quality parameters with potential health effects.​

Data collection and water testing in the watersheds

Metro Vancouver operates mon​​itoring sites throughout the watersheds. These monitoring sites gather data on weather conditions, precipitation, river levels, reservoir storage, snowpack, and wildfire indicators. 

​​ Learn more about how Metro Vancouver takes care of the watersheds.

Additional testing by your municipality

Municipalities that purchase water wholesale from Metro Vancouver and deliver it to residents and businesses also test for water quality regularly. Check with your municipality if you want to see a water quality report.

Common questions about your drinking water​​​​​


Celebrating 100 years of delivering high-quality drinking water​​

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