10/12/2024
Cyanobacteria-affected water may not be suitable for drinking, recreation, or agricultural use. Some species of blue-green algae produce harmful toxins which take effect when eaten, inhaled, or when skin contact is made. Contact with affected water can cause skin irritation, mild respiratory effects, and hayfever-like symptoms. Ingesting toxins can also cause gastroenteritis symptoms, such as vomiting, diarrhea, fever, and headaches. Toxins can also have an effect on the liver and the nervous system.
Avoid contact with cyanobacteria-affected water, particularly in areas with visible scum or discoloured water. Follow the advice on any nearby signs and keep out of the water until authorities advise that the risk has passed.
If you come into contact with affected water, you should remove any affected clothing and wash yourself thoroughly with clean water. Affected wet suits should be rinsed in fresh water to remove any trace of algae. If you experience any problems, then you should seek medical advice.
The Guidelines for Canadian Recreational Water Quality are comprised of multiple guideline technical documents that consider the various factors that could interfere with the safety of recreational waters from a human health perspective
