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

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

Geary County’s Gathering Pond is in a blue-green algae warning, while Pottawatomie County’s Jeffery Energy Make-Up Lake is in ...

RICHLAND, Wash - The sockeye salmon fishing limits along the Hanford Reach and Upper Columbia River have been reduced due to ...

Several Kansas lakes are under health advisories due to the presence of blue-green algae, which can be harmful to people and ...

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

A boat in Lake Powell near Bullfrog on Oct. 6, 2022. Glen Canyon National Recreation Area officials issued an advisory on ...

The National Park Service reported Wednesday that cyanotoxins have been detected in the mouth of Antelope Canyon in Lake ...

Dogs have been banned from a lake in a park after potentially dangerous algae was spotted. Milton Country Park near Cambridge ...

Cyanobacteria flourish in warm, nutrient-rich water. Nutrients from improperly applied fertilizers or manure runoff can feed the algae, leading to rapid bloom formation. These blooms often appear as ...