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By Nathaniel Leigh

AHS

Blue-green algae advisories lifted for Northern Alberta lakes

Nov 5, 2025 | 12:49 PM

With cooling weather and water reservoir temperatures lowering, the risk posed by blue green algae has significantly lowered.

That according to Alberta Health Services which has lifted cyanobacteria advisories for 33 water bodies in the North Zone.

Even with the advisories lifted, AHS is advising residents to never drink or cook with untreated water from any body at any time.

Anyone who comes in contact with cyanobacteria, or ingests it, may experience rashes, sore throats, swollen lips, fever, nausea and vomiting.

The full list of lifted advisories can be found below:

1. Baptiste Lake
2. Beaver Lake
3. Bonnie Lake
4. Buffalo Lake
5. Calling Lake
6. Fawcett Lake
7. Floating Stone Lake
8. Garner Lake
9. Gregoire Lake
10. Goose Lake
11. Iosegun Lake
12. Isle Lake
13. Jenkins Lake
14. Kehiwin Lake
15. Lac La Biche Lake
16. Lac La Nonne
17. Lac Ste. Anne
18. Lawrence Lake
19. Lessard Lake
20. Lesser Slave Lake
21. Long Lake
22. Matchayaw (Devil’s) Lake
23. Minnow Lake
24. Mons Lake
25. Moonshine Lake
26. Moose Lake
27. Nakamun Lake
28. North Buck Lake
29. Thunder Lake
30. Paddle River Dam Reservoir
31. Shiningbank Lake
32. Skeleton Lake
33. Stoney Lake