Blue-Green Algae

• Algal bloom advisory issued for Calgary’s Lake Sundance

  Alberta Health Services has issued an advisory for Lake Sundance after finding evidence of blue-green algal blooms that could cause a variety of symptoms, especially in children.

  Canada

  Aug 14
  
• City of Lethbridge taking proactive approach to blue-green algae

  After an extended advisory period for cyanobacteria at a lake in Lethbridge last year, the city took a proactive approach to mitigate the issue this summer.

  Environment

  Jul 23, 2025
  
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• Blue-green algae advisory issued for Pigeon Lake

  Alberta Health Services has issued a blue-green algae (cyanobacteria) advisory for Pigeon Lake, located south of Edmonton in Leduc County and the County of Wetaskiwin.

  Health

  Jul 16, 2025
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• 7-month-old puppy becomes sick and dies after swimming in Merritt-area lake

  Dr. Adrian Walton told Global News that runoff from farm and dairy operations can get flushed into some of the local streams. When the weather is hot, algae blooms can occur.

  Environment

  Jul 7, 2025
• Cyanobacteria advisory remains in place for Henderson Lake

  The presence of cyanobacteria has resulted in many advisories put into effect at local lakes and ponds across Alberta, including Henderson Lake in Lethbridge.

  Canada

  Sep 6, 2024
• Saskatchewan lakes a hot spot for toxic algae

  Peter Leavitt, a professor of biology with the University of Regina, said the Prairies are a breeding ground for toxic algae. He said 40 per cent of all Saskatchewan lakes have it.

  Canada

  Jul 30, 2024
• Rogers Cove beach in Peterborough closed due to suspected blue-green algae blooms

  Peterborough Public Health closed Rogers Cove beach on Little Lake on Wednesday following the results of water samples with suspected blue-green algae blooms.

  Health

  Jul 10, 2024
• Warm weather in N.S. prompts reminder to be on guard for harmful blue-green algae

  As the weather gets warmer, a warning for Nova Scotians to be on the lookout for blue-green algae as its toxic blooms can be deadly to pets and make people sick.

  Environment

  May 21, 2024
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• Team effort needed to tackle Manitoba lake pollution, experts say

  'Phosphorus is a really valuable nutrient. And also it can be a contaminant or deteriorate water quality if it is transported in excess to surface waters.'

  Environment

  Oct 17, 2023
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• Blue-green algae spotted in Conestogo Lake reservoir: GRCA

  The Grand River Conservation Authority has issued a warning that blue-green algae has been seen in the reservoir at Conestogo Lake.

  Canada

  Oct 4, 2023