There is unusual abundances of blue-green algae on West end of Fraser Lake.

Some residents in B.C.'s Central Interior are being told to avoid drinking or bathing in their tap water following an outbreak of potentially toxic algae blooms.

The Okanagan Indian Band is advising residents to not enter or consume water from the north arm of Okanagan Lake until further notice due to a toxic algae bloom.

Low water, warm temperatures and our seasonal waterfowl population are factors we think are contributing to the unprecedented algae and weed growth in the lake at the the Alaska Native Health Campus.

Cities around Canada are urging swimmers to take caution as toxic blue-green algae warnings are in effect throughout the nation. This algae, if in contact with humans and pets, can be extremely harmful.

Unknown species of green algae in a lake near Kongiganak.

Visitors advised not to swim in lake and keep dogs on leash

Appears to be smothering all aquatic plant life.

A blue-green algae advisory is in effect for Prior Lake in Thetis Lake Regional Park after the toxic blooms were spotted in the water.

A blue-green algae advisory is in effect for Prior Lake in Thetis Lake Regional Park after the toxic blooms were spotted in the water.

Toxic algal blooms which can be fatal to humans, are increasing across the world as temperatures rise, according to the first global survey of dozens of freshwater lakes based on 30 years of NASA data.