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Drinking Water Quality Data

The Department of Environment in partnership with municipal governments monitors source and tap water quality of public water supplies on a regular basis. The collected data is used to ensure compliance with the "Guidelines for Canadian Drinking Water Quality" opens new window and to take appropriate measures to address emerging drinking water quality issues. The data is provided to the public on a regular basis through this web page.

The data below is for all sampling carried out up to December 31, 2015.

The Drinking Water Quality data shown on this page is now also available via the Newfoundland and Labrador Water Resources Portal. Using the Community Water Resources Reports feature a Community can be selected to generate reports that show all of the Drinking Water Quality data the Department has collected for that community.

To see when your community has been sampled please refer to the Sampling Schedule web page.

These documents are in Adobe PDF format and, if you have an older browser, may require the free Adobe Acrobat Reader to view and print. Click on the hyperlinks below to download each document for viewing and printing.

Due to the large number of parameters included these documents are best printed on legal (8.5" x 14") paper in landscape orientation.

Detection Limit

The detection limit is the lowest concentration of a substance that can be determined with confidence. Prior to March 31, 2004 analytical results less than the detection limit were reported as half of the detection limit. After March 31, 2004 analytical results less than the detection limit are simply reported as Less Than Detection Limit (LTD) which is considered to be zero for all practical purposes. If you wish to know the detection limit of a particular parameter, please click on the link below to see a list of the various labs, associated parameters and detection limits that have been used during this sampling program. The Department is working to develop better tools to deal with less than detection limit data for statistical analysis and public reporting.

Source Water Quality

Fall 2015

Summer 2015

Spring 2015

Winter 2015

 

Tap Water Quality

Fall 2015

Summer 2015

Spring 2015

Winter 2015

For additional information on drinking water quality or any other water resources related topics please contact us and visit the Department of Health and Community Services website.

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