Town officials have issued a public health advisory after a blue-green algae bloom known as cyanobacteria has been found in ...

Waters in Plymouth and Brookline tested positive for toxic blue-green algae blooms that can make people and pets sick.

Officials at Cherry Creek Reservoir in Aurora are warning people about toxic blue-green algae, which can cause rashes, gastrointestinal issues, muscle weakness, or even vomiting.

AURORA, Colo. — Colorado Parks and Wildlife said on Saturday that they are advising people not to swim at Cherry Creek Reservoir due to the presence of blue-green algae. In a social media post ...

It may be green, brown or reddish in color. Toxic algae blooms are most common in the Tri-Cities area from the second week of August, usually peaking in September and continuing into October.

Algae, which may be toxic, typically grows on rocks and other surfaces along the Columbia River shoreline or may be seen as clumps in the water. It may be green, brown or reddish in color.