Long-time river watchers and local scientists say this is by far the earliest they’ve seen such a massive proliferation of ...

National Park Service (NPS) officials issued a water advisory for Lake Powell just before the July 4 holiday weekend after ...

The Vilas County Health Department has issued a health advisory for Big Arbor Vitae Lake Beach due to the presence of ...

PAULA TRACY begins her 2025 Lakes Watchdog series at InDepthNH.org today. Sign up for our free newsletter to make sure you ...

Toxic algae can be harmful to pets and people, especially those who are elderly, immunocompromised or have underlying health ...

Don’t boat, water ski, or jet-ski on scummy water. These activities can cause toxins to become airborne, increasing the ...

The National Park Service detected the presence of cyanotoxins in Antelope Canyon, in concentrations at the high end of safe ...

Cyanobacteria, also known as blue-green algae, can produce toxins that are harmful to livestock, wildlife and people. North Dakota State University Extension specialists have received reports of ...

Brian Wheeler, director of Save Wild Trout, recently documented extensive algae blooms on the Big Hole, Jefferson and Boulder ...

Contact with harmful algae can lead to nausea, vomiting, breathing problems, and unexplained illness, NPS said in a press ...