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Warning Advisory
Harmful Algae Present
- Do not swim or water ski
- Avoid areas of algae when boating
- Keep animals away
- Do not drink the water
- Clean fish well and discard guts
Updates
January 31, 2023: 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 Calf Creek, 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
December 7, 2023: 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 Calf Creek, 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
October 26, 2023: 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 are producing harmful toxins that may make humans and animals sick if ingested.
The Bureau of Land Management has issued a WARNING ADVISORY.
If visiting Calf Creek, 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
October 4, 2023: 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 are producing harmful toxins that may make humans and animals sick if ingested.
The Bureau of Land Management has issued a WARNING ADVISORY.
If visiting Calf Creek, 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
August 29, 2023: 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 are producing harmful toxins that may make humans and animals sick if ingested.
The Bureau of Land Management has issued a WARNING ADVISORY.
If visiting Calf Creek, 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
Monitoring for recreational water quality on August 16, 2023
Monitoring for recreational water quality on August 16, 2023
BE CAREFUL: Harmful algal 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 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
Monitoring for recreational water quality on August 1, 2023
BE CAREFUL: Harmful algal 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 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
Monitoring for recreational water quality on May 23, 2023
BE CAREFUL: Harmful algal mats (benthic cyanobacteria) were observed growing in the water by the Calf Creek Campground and Lower Calf Creek trail. These algal mats were producing dangerous toxins.
If visiting Calf Creek, 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