Advisory for Lake St John, Ontario

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Lake St John

Type: Cyanobacteria Bloom  -  Inactive

Issued: 9/20/2017

Details:

A warning has been issued by the Simcoe Muskoka District Health Unit about blue-green algae blooms in Lake St John.

The health unit confirms that tests have come back positive for blue green algae blooms in Lake St. John in Ramara Township.

The health unit says residents should not use the water. 

People are asked not to drink, cook, swim or bathe in the water. 

Blue-green algae contains toxins which could be harmful to people and animals. 
It tends to develop in late August and early September.