Drinking Water Surveillance Program

The Drinking Water Surveillance Program (DWSP) monitors water quality at selected municipal drinking water systems for scientific and research purposes. DWSP is a voluntary partnership that compliments the regulatory monitoring that must be done by the drinking water systems. DWSP monitors for inorganic, organic and radiological parameters.

Water quality data are available by individual years.

For more information


Data Available

The data described here is available for you to use. [Learn more]
[See the licence for how you're allowed to use this data.]

2018 - 2020

2013 - 2017

2008 - 2012

2003 - 2007

1998 - 2002

Supporting Files

Additional Info

Field Value
Geographic coverage Ontario
Geography Breakdown None
Source URL/Address
Author Email
Maintainer branch
Last Validated Date 2021-05-26
Update frequency Yearly
Access instructions