What it looks like, how it can affect people and how to report sightings.
Blue Marsh Lake closed to swimming because of algae
Headed to a lake or river today? Look out for blooming harmful
The National Park Service is warning people to stay out of the
Harmful blue-green algae found at Riverfront Park near Windsor
Andover couple whose puppy died just hours after walk at Anton Lakes send warning to dog owners
Blue-green algae at High Cliff State Park forces DNR to shut down
Blue Mesa Water Quality Advisory - Toxic Algae - Curecanti
Detection of Harmful Algal Blooms at Hyalite Reservoir and Elk
Alert over toxic blue-green algae in lake Windermere
Possible presence of dangerous blue-green algae at Browns Lake
Health warning remains on Lake Clearwater
There is no cure': Austin urges people to keep dogs away from