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Pathogenic microorganisms are extremely small organisms that may cause disease, and include:bacteria, viruses, parasites. Many different kinds can be present in the water and sand at recreational water areas. Most come from human and animal waste that enters waterways from: swimmers, runoff from...

Cyanobacteria are also known as blue-green algae. They're a type of bacteria that occur naturally in fresh and marine bodies of water. There are many types of cyanobacteria, and some can produce harmful toxins called cyanotoxins. Cyanobacteria can grow quickly in freshwater lakes and rivers under...

The Guidelines for Canadian Recreational Water Quality consist of multiple guideline technical documents that consider the various factors that could interfere with the safety of recreational waters from a human health perspective. This includes technical documents on understanding and managing...

The Guidelines for Canadian Recreational Water Quality comprise multiple guideline technical documents that consider the various factors that could interfere with the safety of recreational waters from a human health perspective. This includes technical documents on understanding and managing...

Water quality affects everyone. Find out more about water pollution and your health. What the flood? Recreational water safety.

Responsibility for the quality of drinking water is shared by all levels of government. The federal government plays a key role in the area of drinking water by, among other things, leading the development of guidelines for drinking water and providing scientific and technical expertise to the...

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.

This guideline technical document outlines the evaluation of the available information on calcium, magnesium, hardness, chloride, sulphate, total dissolved solids (TDS) and hydrogen sulphide with the intent of updating the guideline value for these operational parameters in drinking water. The...

Purpose of consultation This guideline technical document evaluated the available information on managing risks in recreational areas with the intent of updating/recommending a preventive risk management approach to managing recreational areas. The purpose of this consultation is to solicit...

This guideline technical document evaluated the available information on microbiological pathogens and biological hazards in recreational waters with the intent to provide regulatory authorities and decision-makers with guidance on these topics. The purpose of this consultation is to solicit...