Drinking Water Standards

Groundwater and Surface water quality is compared to drinking water standards and guidelines established by government agencies to protect the health of individuals.

A number of drinking water guidelines are based on Aesthetic considerations (AO: Aesthetic Objectives)  while others are Maximum Acceptable Concentrations (MAC) based on health considerations.

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  • The Guidelines for Canadian Drinking Water Quality (GCDWQ) document was updated in October 2017 by Health Canada and can be located at:


  • Drinking water guidelines in the U.S. are regulated by the Environmental Protection Agency (EPA) and can be found at:


  • In addition, the World Health Organization (WHO) has published drinking water guidelines and these can be viewed at:



Water Quality Specialists