AHS issues algae warning for Pigeon Lake

Alberta Health Services is warning the public after finding blue-green algae in Pigeon Lake. 
Blooms of the algae, also known as cyanobacteria, have been identified on parts of the popular swimming spot 100 kilometres southwest of Edmonton. 
The algae is dangerous for both humans and pets and can cause skin irritation, sore eyes and throat, fever, nausea, vomiting and diarrhoea within hours of contact. 
Cyanobacteria is naturally occurring, and becomes visible during periods of ca