EAU CLAIRE (WKBT) -- A harmful algae bloom has closed a beach in Eau Claire County. Officials with the county's health department Thursday say in addition to a continuing advisory for Lake Altoona ...

The Green Lake Association announced Friday that it identified a harmful blue-green algae bloom in the water at Hattie Sherwood Beach.

The city has closed the beach at Lake Mattoon again until further notice due to a harmful algal bloom, which can release neurological toxins.

On Friday, the Green Lake County Public Health Department issued a beach closure for Hattie Sherwood Beach after identifying a bloom of harmful blue-green algae in the water.

SANDPOINT, Idaho -- A public health advisory has been issued for the Chuck Slough in Sandpoint due to harmful algal blooms.

The state has issued a health alert at Bluestem Lake in southern Lancaster County due to harmful blue-green algae blooms.

The city of Martinez has issued a public advisory due to a possible harmful algal bloom at the Martinez Marina, warning visitors to avoid contact with the water and to take necessary precautions.

Health officials in Massachusetts are spreading the word about harmful blooms of cyanobacteria in the state.

Blue-green algae, formally known as cyanobacteria, take their colloquial name from the plant-coloured pigments produced during photosynthesis—and their blooms are nothing new to Alberta lakes.

The health department is advising people not to swim or touch Barry County’s Thornapple Lake after a harmful algal bloom may have been detected.

Health officials are warning residents to avoid the water of Brookline Reservoir and Crystal Lake in Newton because of algae blooms. Both bodies of water have blooms of a blue-green algae known as ...

Thurston County is warning the public to avoid Mcintosh Lake on SR 507 after lab results confirmed high levels of microsystins amid a toxic algae bloom.