NATIONAL PARK SERVICE · news
Water Advisory for Lake Powell
July 2, 2025 · Source: National Park Service
The National Park Service has detected the presence of cyanotoxins in the mouth of Antelope Canyon in Lake Powell in concentrations that are at the high end of safe exposure levels. Cyanotoxins are produced by certain types of algae blooms and can be harmful to humans and animals.
Read the official NPS sourceWhat Travelers Need to Know
Use the official notice to confirm the affected destination, dates and visitor arrangements before finalizing your trip.
Dates and operating conditions can change after publication. Check the park’s official visitor information for your travel date.
Traveler guidance by State & Nation Staff Writer.