July 9th, 2021 - Cyanobacteria in Darlings Lake

The Government of New Brunswick has issued an advisory confirming the presence of a cyanobacteria bloom in Darlings Lake.

Cyanobacteria, or commonly known as blue-green algae, may not all be harmful- only some cyanobacteria species produce toxins. Samples from Darlings Lake have been taken and are currently being analyzed for the presence of these harmful toxins. In the meantime, this advisory is meant to help recreational water users make informed decisions on water use in the affected area. It is currently recommended that you do not swim or engage in recreational activities in Darlings Lake, and to keep your pets at a distance from the water.

Our team sampled the area today, and the pictures below are from Darlings Lake- it looks like cans of bright green paint have been poured into the water. Our friends at ACAP Saint John have put together a great list on how to spot a cyanobacteria bloom:

Blooms most commonly look like green or blue-green scum along the surface of the water. If the bloom is very thick it may appear as though paint or hydroseed has been spilled on the water. Wind/waves can cause blooms to accumulate at the shore. When the bloom is just forming, or wind/wave action has dispersed the bloom, the water can appear as cloudy or clear water with small green or blue-green globules (balls) or flecks suspended in it. Fresh blooms can smell like freshly cut grass and older blooms can have a foul smell. Blooms can appear and disappear quickly or overnight. If you suspect that you may have a cyanobacteria bloom in your area, you should contact the Department of Environment and Local Government.