The New Hampshire Department of Environmental Services maintains an online tool, updated daily, called the Healthy Swimming Mapper, which tracks advisories for fecal bacteria at public beaches and ...

City of Mattoon water customers are under an unsafe water alert until at least Saturday. Here's what you need to know.

It’s the time of year to start checking Vermont’s waters for cyanobacteria blooms before you swim, play, or bring your pets, so you can have fun in the ...

Lake Norman is looking more colorful these days. Bright green, deep red and milky blue algae is blooming in northern parts of the lake — but these bright colors don’t bring good news.

Patchouli is one of the last sea lions released from the Marine Mammal Care Center after a toxic algae bloom in Southern California.

Kennewick’s Columbia Park fishing pond tests positive for toxic algae, posing a risk to dogs, people. Water is from Columbia River. What dog owners need to know.

Although recreation on the lake remains open throughout Glen Canyon National Recreation Area, NPS warned visitors to “avoid unnecessary exposure to reservoir water” in the Antelope Canyon zone.

In North Carolina, officials warned about cyanobacteria algae blooms in Lake Norman, urging people to keep children and pets away from water that appears bright green, blue or scummy.

Lake Powell is experiencing harmful algae blooms, with cyanotoxins at high exposure levels. Officials advise caution, telling people to avoid blue-green algae areas and rinse off after contact.

For July 4th holiday weekend, you should know what water contains toxic algae blooms Toxic algae can be harmful to pets and people, especially those who are elderly, immunocompromised or have ...

Cyanotoxins, produced by certain types of algae blooms, can be harmful to humans and animals and occur for several reasons.