Caution advised as "harmful" blue-green algae found in Callander Bay

“Harmful” blue-green algae has been confirmed to be in Callander Bay and residents are being urged to use caution when using the lake.Two sightings of blue-green algae had been reported in Callander Bay throughout August, according to the North Bay Parry Sound District Health Unit.The most recent sighting, Aug. 20, was reported to the Ministry of Environment, Conservation and Parks.“The ministry took a sample and has confirmed the presence of harmful blue-green algae. The Nort