SPRINGDALE, Utah — Warnings have been issued for multiple bodies of water within Zion National Park, including several areas visited by thousands of people, over the possible presence of toxic algal blooms.
Popular locations such as The Narrows section of the park are affected by the warnings issued by the National Park Service.
The following locations are being monitored for toxic cyanobacteria and cyanotoxins:
- North Fork of the Virgin River
- North Creek (Tributary of Virgin River)
- La Verkin Creek (Tributary of Virgin River)
Under a warning, people are advised against swimming or putting their heads in the water. Visitors are always told to refrain from drinking stream water anywhere in the park.
"We share information so you can make informed decisions about whether and how to recreate," the park service said in its advisory.
Cyanobacteria naturally occur and can produce toxins that affect liver, nerve and skin tissue, and can contribute to illnesses in people, particularly children.
Popular areas affected by the warning:
- The Narrows
- Pine Creek
- Deep Creek
- Kolob Creek
- Orderville Canyon
- Emerald Pools
- Right Fork
- Left Fork (The Subway)
- Grapevine Spring
- La Verkin Creek
- Timber Creek
- Hop Valley Creek
- All canyoneering routes with an active surface water connection to the North Forth of the Virgin River
