Pathfinder Reservoir in Natrona and Carbon counties became the most recent reservoir to fall under a cyanobacteria advisory.

According to a Wyoming Department of Environmental Quality news release, satellite footage indicated higher densities of cyanobacteria, or blue-green algae, over a large portion of Pathfinder Reservoir on August 26.

DEQ officials visited the reservoir the next day and subsequently issued a recreational advisory.

Blue-green algae can toxic to humans, pets and livestock.

The Wyoming Department of Health and Wyoming Livestock Board recommend the following precautions:

  • Avoid contact with water in the vicinity of the bloom, especially in areas where the bloom is dense and forms scum.
  • Do not drink water from the bloom. Boiling or otherwise filtering the water doesn't make it safe to drink.
  • Rinse fish with clean water and eat only the fillet.
  • Avoid water spray from the bloom.
  • Do not allow pets or livestock to drink water, eat bloom material or lick fur after contact.
  • After coming in contact with the bloom, rinse off with clean water as soon as possible and contact a doctor or veterinarian.

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