Blue-Green Algae Identified at Hattie Cove
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 present, and for about 2 weeks after it has gone away. It is important to avoid: