As summer approaches, the Oregon Health Authority (OHA) is urging residents and visitors to be vigilant about potentially ...

OHA has launched a new reporting tool that tracks the possible presence of toxic cyanobacteria in freshwater bodies across the state.

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

The country’s lakes and reservoirs are increasingly choked by blooms of toxic cyanobacteria – commonly known as blue-green algae – making masses of water untreatable for household use.

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

Traditionally, pigments such as chlorophyll, which indicate the growth of toxic blue-green algae, have been sought in water. Eawag scientists have now shown in a study that these pigments have ...

A person has been poisoned by bacteria after swimming in an infested Canterbury lake. Te Whatu Ora last week issued a warning about toxic blue-green algae in Lake Hood near Ashburton. National Public ...

SW, the water looked blue and murky ... nutrient-rich sediments that fueled algae growth and toxic cyanobacteria blooms that caused the health department to issue advisories between 2008 and ...