If you’ve ever been swimming at Presque Isle, you may have seen signs advising you to avoid the green, murky areas of the ...

A harmful algae bloom– or H-A-B — is starting to clear up along the Hudson River after a stretch of late summer heat and ...

Phytoplankton is an important component of the food-web and is predated by a wide variety of aquatic organisms, such as water ...

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Tell us about your experiences with red tide and blue-green algae as we report on water quality in the Sunshine State. Zachary T. Sampson is an investigative reporter. He can be reached at ...

Red tide is a toxic algae bloom that can be deadly to marine life and harmful to humans. Blooms typically occur in the fall but can happen at any time and last from a few days to several years. The ...

BIG HORN COUNTY, MT — The Montana Department of Environmental Quality is warning residents about harmful algae blooms appearing in lakes and reservoirs across the state. The Tongue River Reservoir in ...

FLEMING ISLAND, Fla. — The Florida Department of Health issued a health alert Friday after water in the St. Johns River, near Mandarin Point, tested positive for cyanotoxins associated with blue-green ...

SOUTHWICK, Mass. (WWLP) – The Southwick Police Department has issued an advisory due to a cyanobacteria bloom observed on Congamond Lakes. On Friday, the police stated that the presence of blue-green ...

SANTA FE COUNTY, N.M. (KRQE) –The New Mexico Environment Department issued a warning on Friday about a potentially harmful algae bloom at Santa Cruz Lake near Española. Harmful algae blooms can appear ...