Blue-green algae present at Prospect Lake

November 24, 2016

Information Bulletin
For Immediate Release 


Blue-green algae present at Prospect Lake

Saanich, BC – The District of Saanich advises that water samples taken from Prospect Lake have tested positive for blue-green algae (cyanobacteria).

Visitors and residents are advised to take the following precautions:

  • Avoid all contact with blue-green algae blooms. If contact occurs, wash as soon as possible.
  • Do not allow your pets to swim or wade in any areas where blue-green algae is visible.

Blue-green algae produces a visible blue-green sheen, which appears as surface scum. If you notice a blue-green algae bloom, please report it to Saanich Parks at 250-475-5522 or

Updates will be posted on, Facebook @Saanich.BC and Twitter @saanich


More about blue-green algae:

  • Blue-green algae are known toxin producers. The blooms are unpredictable and may occur at any time.
  • Ingesting water containing the cyanotoxins may cause a range of symptoms including headaches and abdominal pain in humans. Cyanotoxins can lead to lethal liver damage in dogs. 



Media Contact: 
Eva Riccius 
Parks Department
Phone: 250-475-5523