Contact information for drinking water related authorities and offices in each provincial and territorial government can be found at https://www.canada.ca/en/environment-climate-change/services/water-overview/governance-legislation/provincial-territorial.html.
Alberta, British Columbia, Newfoundland and Labrador, Northwest Territories, and Saskatchewan also have water quality testing information available online. This can be accessed by following the directions below.
Alberta
http://www.environment.alberta.ca/apps/RegulatedDWQ/Listing.aspx
Find your community in the alphabetical list and click on it. Choose a month from the drop down list and then click on “Get Summary Report”. This report includes testing data for E. coli and coliform bacteria.
British Columbia
Begin by checking the map found here, http://www2.gov.bc.ca/gov/content/health/about-bc-s-health-care-system/partners/health-authorities/regional-health-authorities to see in which Health Authority area your community is located. If you are in the Fraser, Interior, Northern, or Vancouver Island regions then you can follow the directions below.
Fraser Health
https://www.healthspace.ca/Clients/FHA/FHA_Website.nsf/Water-Drinking?OpenPage&
Find and click on your community in the list on the left hand side of this site. This will take you to a list of the water systems in that area, if there is more than one to choose from you should click on the ones that seem most relevant. At this point, you might see a list of inspection types along with their dates. Click on the most recent inspection (unless there is a certain time period in which you have more interest) and read the report.
Interior Health
https://www.interiorhealth.ca/YourEnvironment/DrinkingWater/Pages/WaterSamples.aspx
You can enter your Facility, City, or select your Region from the drop-down menu, then you will see results for E. coli and Total Coliform tests.
Northern Health
http://www.healthspace.ca/Clients/NHA/NHA_Website.nsf
On the left hand side of the page click on Water Sample Results under the Drinking Water heading. Find and click on your community in the list on the left hand side of this site. This will take you to a list of the water systems in that area, if there is more than one to choose from you should click on the ones that seem most relevant. At this point, you might see a list of sampling sites; in which case, you should pick the ones that seem the most relevant. If you keep clicking you will come to a list of the water quality test results for that location, if they are available.
Vancouver Island Health Authority
https://www.healthspace.ca/Clients/VIHA/VIHA_Website.nsf
Click on Water Samples. Find and click on your community in the list on the left hand side of this site. This will take you to a list of the water systems in that area, if there is more than one to choose from you should click on the ones that seem most relevant. At this point, you might see a list of sampling sites and test results. You can see more test results by clicking on NEXT at the bottom of the page or changing how many results are shown per page.
Newfoundland and Labrador
Scroll down to the heading “Community Water Resources Reports”, select your community from the drop-down list and click the “View Community Reports” button. This will bring you to a second drop-down list. The specific information dealing with the quality of your tap water can be found under “Tap Water Nutrients and Metals” and “Tap Water Physical Parameters and Major Ions”.
Saskatchewan
https://waterquality.saskatchewan.ca/DrinkingWater
On this page select the information you want to see, the location you want to search, and click the “Search” button.
Choose Sample Tests to see the results of a variety of tests that have been done.
Yukon Territory
http://yukon.maps.arcgis.com/apps/webappviewer/index.html?id=2365a4c0b8744f34be7f1451a38493d2
On this page, you can filter sites by a number of different criteria (Sample Type, Status, Water Source, Agency, Network Source, Sub Drainage, and Sub Sub Drainage). You can also click on the dots on the map in order to learn about the different sites.
If you can't find your community's drinking water quality test results
If you can't find your community's drinking water quality test results then you can go to http://www.watertoday.ca/ and search for your community in the upper right hand search box. This will inform you of any boil water advisories in your community.
You can also perform an Internet search for your community's water quality test results, they might be available on your city's website.
You could phone your city's/town's water treatment plant or office and ask whether there are water quality test results available to the public and, if not, why they are not available to the public.