Levels of cyanotoxins that were on the "high end of safe exposure levels" were observed at the mouth of Antelope Canyon in ...

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

Arizona's Lake Powell is an incredible oasis in a red rock landscape. After a short hike, you'll find yourself in the perfect ...

Federal officials are warning boaters and swimmers to avoid scummy water in Antelope Canyon after cyanotoxins were detected.

A toxic algae bloom, containing harmful cyanotoxins, has been detected in Lake Powell's Antelope Canyon, disrupting Fourth of ...

A boat in Lake Powell near Bullfrog on Oct. 6, 2022. Glen Canyon National Recreation Area officials issued an advisory on Wednesday, warning visitors of harmful algal blooms following the discovery of ...

But Lake Powell was made in 1963 when Glen Canyon Dam was built, diverting water from the Colorado River while millions of years of water and wind erosion shape-shifted Antelope Canyon into what ...

The National Park Service put out a water advisory for Lake Powell after a toxic algae bloom was detected in Antelope Canyon this week. Visitors are advised to use caution and avoid unnecessary ...

The spot was inundated 40 years ago when Lake Powell first filled, backing up through Glen Canyon and over a hundred tributaries.

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