Harmful algal blooms in freshwater lakes, ponds, rivers, and streams generally consist of visible patches of cyanobacteria or blue-green algae. Cyanobacteria are naturally present in low numbers in ...

Last August, I was standing on Lake Erie’s Ohio shore, shielding my eyes from the sun while talking to a middle-aged guy wearing swimming trunks and a shell necklace. He had to be Toledo’s only surfer ...

City officials are urging residents to use caution around local lakes and creeks after blue-green algae, which can be toxic, ...

Toxic algae blooms in the Caloosahatchee River are a recurring problem, with the latest 'all-clear' in Alva possibly short-lived; monitoring continues ...

The presence of potentially toxic blue-green algae has appeared in multiple Austin waterways over the Winter and the city urges residents to take precautions heading into the spring.

The City of Boulder is asking residents to keep themselves and their pets out of the water at the Boulder Reservoir due to a possible harmful algae bloom. Although the swim beach is closed for the ...

The following is a press release from the Humboldt County Department of Health and Human Services: A recent sampling event confirming dangerous levels of harmful algal toxins identified in Big Lagoon ...

On Friday, Colorado Parks and Wildlife announced that Jumbo Reservoir will be closed to some water recreation activities due to a toxic algae bloom. Activities that include water contact, like ...

A toxic algae bloom, known as red tide, is responsible for the mass deaths of crayfish and other marine life along South ...