Health Canada

Boron can be present in drinking water supplies through weathering of boron-containing rocks and soils, seawater spray and volcanoes as well as from anthropogenic sources such as wastewater from municipal sewage treatment and industrial processes, pesticide application and other human activities....

Guideline Technical Document for Public Consultation Consultation period ends November 28, 2023. Purpose of consultation: This guideline technical document evaluated the available information on iron with the intent of updating the guideline value for iron in drinking water.

Canadians can be exposed to antimony via food, drinking water, air and consumer products. Exposure to antimony trioxide and antimony containing substances (11 inorganic compounds) has been assessed previously (Environment Canada and Health Canada, 2010; ECCC and Health Canada, 2020). This section...

Health Canada has developed a technical document to provide regulatory authorities and decision makers with an objective for the level of iron substances in Canadian drinking water supplies. We're looking for comments on this draft document from regulatory authorities, decision makers and the...

We have developed a guideline value for aluminum in drinking water to protect the health of Canadians. Learn about the health effects of aluminum and how to reduce your exposure if it is present in your drinking water.

We have developed a proposed objective for PFAS in drinking water, which is available for public consultation. Learn about PFAS and how to reduce your exposure if it is present in your drinking water.

Health Canada has developed a guideline value for cadmium in drinking water to protect the health of Canadians. Learn about the health effects of cadmium and how to reduce your exposure if it is present in your drinking water.

Canadian drinking water guidelines have been developed for a variety of microbiological, chemical, physical and radiological parameters. These guidelines, which apply to drinking water from all private and municipal water sources, are set out in a publication entitled"Guidelines for Canadian...

Information on human biomonitoring of arsenic in Canada with results from the Canadian Health Measures Survey.

Through its treatment and distribution, drinking water comes into contact with many products and materials that can have an impact on its quality. Health Canada works with national and international standard-setting organizations to develop health-based standards for materials that come into...

Learn about the health effects of uranium and how to reduce your exposure if uranium is present at high levels in your drinking water.

Safe drinking water is everybody's business. Managing drinking water supplies properly, from the source water to the consumer's tap, takes a great deal of knowledge and coordination among multiple stakeholders--from governments and businesses, to individuals like you and me.

Learn about the health effects of strontium and how to reduce your exposure if it is present in your drinking water.

Perfluoroalkylated substances (PFAS) are synthetic chemicals. Short-term exposure to PFAS in drinking water at levels slightly higher than the maximum acceptable concentrations (MAC) or screening values, below, is not expected to result in health effects as these values are based on a lifetime of...

Learn about the health effects of manganese and how to reduce your exposure if it is present in your drinking water.

Learn about the health effects of lead and how to reduce your exposure if it is present in your drinking water.

Learn about the health effects of enteric viruses and how to reduce your exposure from your drinking water.

Learn about the health effects of copper and how to reduce your exposure if copper is present at high levels in your drinking water.

Health Canada has developed a guideline value for chloramines in drinking water to protect the health of Canadians. Learn about what it means to have chloramines in your drinking water.

Questions and answers on drinking water treatment devices.