LAKE POWELL, AZ — Toxins detected in Lake Powell have led National Park Service officials to issue a Water Advisory for the lake ahead of the holiday weekend. The toxins, according to officials, are ...

PAGE, Ariz. — Lake Powell's lower water levels aren't the only concern this Fourth of July weekend. The concentration of cyanotoxins was found to be at the "high end of safe exposure levels" in the ...

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.

FLAGSTAFF, AZ (AZFamily) — Summertime and heat mean more people will be looking to cool off in Arizona’s lakes and rivers, from rafting down the Colorado River to boating on Lake Powell. However, many ...