Blue-green algae at Fairy Lake prompts warning to Acton residents


Published August 30, 2022 at 10:40 am

Halton Region is warning Acton residents to avoid swimming in Fairy Lake due to blue-green algae.

Blue-green algae are naturally occurring organisms that in large quantities present themselves as a green paint-like discolouration on the water surface.

Depending on temperatures and nutrient levels (phosphorous and nitrogen), visible surface blooms form in the late summer and early fall.

While the blooms may contain toxins harmful to humans and animals, toxins could still be present in the water even without surface blooms.

Coming into contact with blue-green algae could cause health effects such as irritation and itching or headaches, fever, diarrhea, abdominal pain, nausea or vomiting if swallowed.

Residents who feel unwell after encountering blue-green algae are encouraged to contact their physician.

Photo: Town of Halton Hills 

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