After years of efforts to improve water quality at Lake Carmi and curb cyanobacteria blooms, the state has approved a permit to try applying alum at the popular boating and camping destination.

Among New Hampshire’s most treasured natural beauties are its lakes. But those water bodies face a number of mounting stressors: climate change, pollution runoff, aging dams, cyanobacteria blooms, and ...

A day after the warmest temperatures of the year arrived in Western Washington, the Kitsap Public Health District issued a warning to avoid Kitsap Lake in Bremerton due to potentially toxic ...

A cyanobacteria bloom is expanding in western Lake Erie, covering an area of about 160 square miles from the shoreline of Monroe County, Michigan, to the shoreline of Ottawa County, Ohio. The National ...

On a lake, it can look like pea soup, a green mat or blue or green paint. It might also look purplish or pink. No matter the color, it’s cyanobacteria, and it's toxic. While typically a late summer ...

Alberta Health Services has issued a no-contact advisory for a lake east of Calgary, after discovering high levels of cyanobacteria. Cyanobacteria has been identified in the waters of Eagle Lake, a ...

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