Cyanobacteria (blue-green algae) advisories lifted in Calgary Zone

November 2, 2023

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

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

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. Our mission is to provide a patient-focused, quality health system that is accessible and sustainable for all Albertans. Our current focus is on reducing emergency department wait-times, improving EMS response times, increasing access to surgeries, and improving patient flow.