Blue-green algae are microscopic organisms that naturally occur in Connecticut’s lakes, ponds and rivers. When they interact with hot temperatures, sunlight and high nutrient levels, it causes the ...

Experts say there are dangerous levels of contamination in over half of coastal and great lakes beaches in the U.S.

A new report reveals contaminated beach conditions in Washington, raising health concerns for summer visitors.

Another notable closure is at Walden Pond State Reservation’s main beach. The beach will remain closed for the entirety of ...

State officials said that officials try to schedule follow-up tests within the next day when a closure takes place.

New York beaches are tested regularly to determine the public's risk of coming in contact with waterborne diseases. See the latest updates.

The Rhode Island Department of Environmental Health announced a recommendation to close the swimming area at Hope Community ...

Swimmer's itch reported in Freedom Park ponds in Star.Swimmer's itch is caused by "the penetration of the larval stage of ...

Lonesome Lake has long been reputed to be unfit for drinking and even swimming. That’s because of contamination presumed to ...

A new paper in Environmental Toxicology and Chemistry finds that efforts to eradicate invasive mollusks in Idaho's Snake ...

Going into a new week, several Massachusetts beaches are closed, most of them due to high levels of organisms present in the water.