The Simcoe Muskoka District Health Unit has confirmed four locations of blue-green algae blooms affecting the following areas:

• The south - east shoreline of Lake Dalrymple.
• The north - east shoreline of Lake Simcoe
• Both the north and south shoreline of Lake St. John, expanding the advisory to all of Lake St. John. 

Residents are advised that some types of blue-green algae can produce toxins. Residents can read the full notice on the Township's website and learn more about the impact of blue-green algae blooms by visiting the Simcoe Muskoka District Health Unit's website.