Look before you leap. That’s the general advice from state officials when it comes to enjoying New Hampshire’s beaches. The ...

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.

As Gareth Hampshire reports, the town is reviewing its sidewalk patio bylaws following an outcry over the death of a ...

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

Crystal Lake's public beach will remain closed to swimmers after water samples confirmed elevated levels of cyanobacteria, ...

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.