[[File:Drinking Water Sources.PNG|thumb|350px|A picture depicting different types of drinking water sources, including groundwater under the direct influence (GUDI) of surface water, which may be subject to contamination due to the influence of polluted/impacted surface water (Photo Source: Government of Ontario, 2022<ref>Government of Ontario. 2022. A guide for operators and owners of drinking water systems that serve designated facilities. 19 May 2022. Accessed 3 June 2022. https://www.ontario.ca/page/providing-safe-drinking-water-public-guide-owners-and-operators-non-residential-and-seasonal</ref>)]] | [[File:Drinking Water Sources.PNG|thumb|350px|A picture depicting different types of drinking water sources, including groundwater under the direct influence (GUDI) of surface water, which may be subject to contamination due to the influence of polluted/impacted surface water (Photo Source: Government of Ontario, 2022<ref>Government of Ontario. 2022. A guide for operators and owners of drinking water systems that serve designated facilities. 19 May 2022. Accessed 3 June 2022. https://www.ontario.ca/page/providing-safe-drinking-water-public-guide-owners-and-operators-non-residential-and-seasonal</ref>)]] |