Please be advised that Alberta Health Services has recently detected the presence of blue green algae in the waters of Gregoire Lake.
For detailed information, go to Alberta Health Services Blue Green Algae Health Advisories. Please refer to the specific advisory for this lake.
Blue-green algae bloom advisories are issued and rescinded by Alberta Health Services. Typically, advisories are lifted in late autumn, when water temperatures are so cool that blue green algae growth is no longer supported.