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The Ministry of the Environment, Conservation and Parks has confirmed the presence of blue-green algae (BGA) in a water sample collected at Hattie Cove on August 11, 2025. Hattie Cove is located within Pukaskwa National Park near Marathon.

Water should be avoided whenever a BGA bloom is…

The Ministry of the Environment, Conservation and Parks has confirmed the presence of blue-green algae (BGA) in a water sample collected at Marie Louise Lake on September 21, 2024. Marie Louise Lake is located in Sleeping Giant Provincial Park, approximately 85 km east of Thunder Bay, on Highway…

The Ministry of the Environment, Conservation and Parks has confirmed the presence of blue-green algae (BGA) in a water sample collected at Icarus lake on August 29, 2025. The bloom was observed throughout most of the lake. Icarus Lake is located approximately 100km southwest of Thunder Bay on…