PASADENA, Calif. (KABC) -- It was the largest algal bloom on record and it took place in June off the California coast. The planktonic algae made the water look green while producing a toxin. Seals, ...

Low concentrations of harmful cyanobacteria, or blue-green algae, have been detected in Lake Mendocino near Ukiah, the U.S. Army Corps of Engineers said Thursday. According to the Army Corps, the ...

SPOKANE, Wash. - Some frequent Manito Park-goers are voicing concerns about the filtration system at the park's Mirror Pond. Mirror Pond turned green a number of years ago due to planktonic algae. The ...

MADISON (WKOW) -- It's peak bloom season for blue-green algae, and the Wisconsin Department of Natural Resources is cautioning beachgoers against its harmful effects to humans and pets. When ...

TYLER, Texas (KLTV) - An infrequent but troublesome problem in East Texas ponds is blue-green algae, or cyanobacteria. These microscopic aquatic organisms thrive in warm, nutrient-rich waters. Under ...