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  1. A 'major' bloom of harmful cyanobacteria discovered in the Charles River

  2. Harmful bacteria bloom found in Charles River - Boston.com

  3. Cyanobacteria bloom prompts public health advisory for Charles River ...

  4. Section of Charles River turns green from first toxic algae bloom

  5. For the first time in four years, the Charles River experiences a ...

  6. Charles River Experiences First Cyanobacteria Bloom in Four Years

  7. Charles River Experiences First Cyanobacteria Bloom in Four …

  8. Blue-green algae bloom reported in Charles River - The Boston …

  9. High Toxic Algae Levels Found In Charles River, Health Advisory

  10. State officials warn of algae bloom along Boston river | AP News

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