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Calf Creek Recreational Monitoring

Caution when swimming icon. Boating is safe icon. Caution when eating fish icon.
Caution when swimming icon. Boating is safe icon. Caution when eating fish icon.

Calf Creek is located within the Grand Staircase-Escalante National Monument. DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent monitoring information below.

Updates

March 7, 2025: Harmful algae mat monitoring update

BE CAREFUL: Harmful algae mats (benthic cyanobacteria) were observed growing in the water by the Calf Creek Campground and parts of the Lower Calf Creek trail.

If visiting Calf Creek, we recommend:

  • Avoid touching or disturbing benthic algae mats (see photo examples here
  • Do not dunk head
  • Do not drink water or get it in your mouth
  • Do not let pets drink water or eat algae

June 27, 2024: Harmful algal bloom (HAB) monitoring update

BE CAREFUL: Harmful algae mats (benthic cyanobacteria) were observed growing in the water by the Calf Creek Campground and parts of the Lower Calf Creek trail.

If visiting, we recommend:

  • Avoid touching or disturbing benthic algae mats (see photo examples here
  • Do not dunk head
  • Do not drink water or get it in your mouth
  • Do not let pets drink water or eat algae

June 24, 2024: Harmful algal bloom (HAB) monitoring update

BE CAREFUL: Harmful algae mats (benthic cyanobacteria) were observed growing in the water by the Calf Creek Campground and parts of the Lower Calf Creek trail. These algae mats may produce harmful toxins that make humans and animals sick if ingested.

The Bureau of Land Management has issued a WARNING ADVISORY. 

If visiting, we recommend:

  • Avoid touching or disturbing benthic algal mats (see photo examples here
  • Do not dunk head
  • Do not drink water or get it in your mouth
  • Do not let pets drink water or eat algae
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