Symptoms of blue-green algae poisoning often appear within minutes to a few hours of exposure. They can include vomiting, ...

A boat in Lake Powell near Bullfrog on Oct. 6, 2022. Glen Canyon National Recreation Area officials issued an advisory on Wednesday, warning visitors of harmful algal blooms following the discovery of ...

Cyanotoxins can be harmful to humans and animals. The toxic byproducts of cyanobacterial blooms — also known as blue-green algae — cyanotoxins occur most often in freshwaters.

Harmful algae bloom advisory at Blue Marsh Lake The presence of moderate levels of blue-green algae has been detected.

The Florida Department of Health in Polk County (DOH-Polk) cautions the public of the presence of blue-green algae in Reedy Lake at Frostproof City Pier on June 26, 2025. Water sample testing is ...

Dogs have been banned from a lake in a park after potentially dangerous algae was spotted. Milton Country Park near Cambridge posted a warning to say Todd's Pit lake, one of several in the park ...

"Harmful algae, also known as blue-green algae, is common and natural to our waters and found throughout Arizona and Utah.

Several popular beaches in Vermont and Northern New York are closed due to the presence of cyanobacteria, or blue-green algae blooms.

Those beaches are closed ahead of the busy July 4 holiday weekend.

Laurel Lake in Laurel has been closed for swimming after water samples performed by State University of New York Stony Brook confirmed the presence of blue-green algae on June 30.

The harmful algal blooms in fresh waters have led to severe environmental problems such as mass mortalities of wild and cultured fish and shellfish, and human illnesses, which hamper the ...

"Our responsibility as an authority regarding blue-green algae extends as far as informing users of the waterways about it to make them aware of algae and the associated risks.