Blue-green algae (cyanobacteria) bloom, water quality advisories lifted in North Zone

November 1, 2021

GRANDE PRAIRIE – Recent weather has cooled lake and reservoir water temperatures to such an extent that blue-green algae is no longer a health concern, including in 27 of water bodies in North Zone, which had previously been placed under blue-green algae (cyanobacteria) bloom advisories.

Effective immediately, Alberta Health Services has lifted the blue-green algae (cyanobacteria) bloom advisories for:

Nakamun Lake
Winagami Lake
Skeleton Lake
Paddle River Dam Reservoir
Calling Lake
Cold Lake
Lesser Slave Lake
Elinor Lake
Bonnie Lake
Baptiste Lake
Bear Lake
Lac La Nonne
Floating Stone Lake
Hutch Lake
Sturgeon Lake
Lac La Biche
Stoney Lake
Goose Lake
Footner Lake
Lower Mann Lake
Vincent Lake
Upper Mann Lake
Lessard Lake
Thunder Lake
Lower Therien Lake
Moose Lake
Steele (Cross) Lake

AHS has also lifted water quality advisories for:

Lac Ste. Anne, Alberta Beach
Lesser Slave Lake, Marten River Campground Beach
Lac La Biche, Golden Sands Beach and McArthur Beach
Sturgeon Lake, Young's Point Provincial Park

As always, visitors and residents are reminded to never drink or cook with untreated water directly from any recreational body of water, at any time.

Alberta Health Services is the provincial health authority responsible for planning and delivering health supports and services for more than four million adults and children living in Alberta. Its mission is to provide a patient-focused, quality health system that is accessible and sustainable for all Albertans.