A harmful algal bloom occurs in bodies of freshwater when Cyanobacteria, also called blue-green algae, produce toxins.

Blue-green algae has been detected in Lough Neagh for the first time in 2025, the Northern Ireland Environment Agency (NIEA) ...

Blue-green algae typically grows during the warm summer months, but has been discovered following a recent spring heatwave.

The presence of blue-green algae in Martray Lough near Ballygawley is "disheartening", the Department for Agriculture, ...

Solutions for protecting Door County waters from growing pollution and oxygen depletion Lurking beneath the surface of the ...

The lough, the UK's largest freshwater lake, has been blighted by large blooms of the potentially toxic blue-green algae in recent years. In a statement, the NIEA said reports of blue-green algae ...

Contamination fuels algae blooms and wreaks havoc. Our investigation pinpointed alarming chemical levels in nearly 1 in 4 ...

CELINA - In just a few weeks, area treatment trains that filter out nutrients responsible for toxic blue-green algal blooms in Grand Lake will be turned on, and officials are shooting for the stars i ...

The presence of blue-green algae in Martray Lough near Ballygawley ... the perfect conditions were created for the potentially toxic algae to bloom from the depths where it has always been present.

Blue-green algae has been detected in Lough Neagh for the first time in 2025, the Northern Ireland Environment Agency (NIEA) has confirmed. The lough, the UK's largest freshwater lake, has been ...