The cyanobacteria bloom, also known as blue-green algae, can sicken people and animals who come in contact with it.

Health officials say there is an elevated count of cyanobacteria, or blue-green algae, in the Charles River this weekend.

Part of the Charles River is closed for water activities after toxic algae was spotted in the City of Boston. The algae bloom ...

An algae bloom has been discovered in a section of the Charles River and people are urged not to swim, boat, or fish in the ...

Boston health officials have detected cyanobacteria in the Charles River, temporarily banning water activities and urging ...

A bloom of toxic blue-green algae was found in the Charles River near the Harvard Bridge on Thursday, prompting health ...

State officials warn people not to have contact with the waters of the Charles River in Boston, and to keep their pets away ...

A portion of the Charles River is closed due to a toxic algae bloom in the water. Here are the areas to avoid.

The Charles River Watershed Association has spearheaded a campaign called 'Cut the Crap' to address the problem of sewage ...

The Charles River Watershed Association says it's the first time a bloom has been noticed in the area since it began monitoring algae in the river.

The Charles River Watershed Association says it's the first time a bloom has been noticed in the area since it began monitoring algae in the river.