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

The concentration of cyanotoxins was found to be at the “high end of safe exposure levels” in the Antelope Canyon portion of ...

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

The National Park Service (NPS) issued a warning on Wednesday, July 2, that cyanotoxins produced by algae blooms had reached “the high end of safe exposure levels” in parts of ...

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

Harmful cyanotoxins, produced by algae blooms, were detected in Lake Powell at the mouth of Antelope Canyon. The National Park Service issued a water advisory but recreation areas remain open ...

Harmful cyanotoxins, produced by algae blooms, were detected in Lake Powell at the mouth of Antelope Canyon. The National Park Service issued a water advisory but recreation areas remain open ...

Arizona is home to a wealth of stunning desert vistas, and one of the most beautiful vantage points overlooks Lake Powell and has hardly any tourists.

A toxic algae bloom is disrupting Fourth of July weekend recreation at one of the West’s most popular lakes. National Park ...

An aerial view of Lake Powell on June 24, 2021. Justin Sullivan/Getty Images What To Know The NPS stated that it detected the presence of cyanotoxins in the mouth of Antelope Canyon in Lake Powell ...