Government of Alberta map of whirling disease in Alberta
Government of Alberta - The Canadian Food Inspection Agency (CFIA) has declared the Oldman River watershed infected with whirling disease. The declaration covers all streams, creeks, lakes and rivers feeding into the Oldman River, including those in Waterton Lakes National Park. The affected zone ends at the confluence of the Oldman River and South Saskatchewan River. Areas in Alberta outside the Bow River and Oldman River watersheds were previously declared as a buffer area and are not affected by today’s declaration.
Whirling disease action plan