top of page

The Scoop on Blue Green Algae

Cyanobacteria is the proper name for blue-green algae, because these organisms are actually bacteria and not algae at all! Cyanobacteria were the earliest known forms of life on earth. When first discovered, cyanobacteria looked similar to algae and can sometimes appear blue-green in colour – which is why the term blue-green algae was used. 


Small Title

In New Brunswick, there are two types of cyanobacteria blooms to look out for:

Get To Know mmm.jpg

Small Title

Cyanobacteria can produce toxins, Toxins can sometimes remain in the water for several weeks after surface blooms are no longer visible. As a precaution, it is recommended that recreational water use be avoided in areas where surface blooms are present. 

PP Pet_edited.jpg

Small Title

Cyanobacteria can produce toxins, which may cause skin, eye and throat irritations. More serious health effects such as gastrointestinal illness can occur if toxins are consumed.


The Department of Health and the Department of Environment and Local Government work together to ensure that any reported or suspected bloom is evaluated and that an advisory is posted when necessary.

bottom of page