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The original item was published from 9/11/2019 3:49:00 PM to 12/1/2019 12:00:01 AM.

News Flash

Parks & Recreation: Park Operations

Posted on: September 4, 2019

[ARCHIVED] Harmful Algae Bloom in Camden Lakes

Camden Lake Harmful Algae Bloom

Water from the Camden lakes has tested positive for cyanobacteria, commonly known as “blue-green algae.” Please take extra precautions to help protect yourself and your loved ones, including pets.

The lakes in the Camden Passage neighborhood of Elk Grove have tested positive for cyanobacteria, a type of blooming algae commonly known as “blue‐green algae.” The presence of blue-green algae can produce a buildup of toxins harmful to both humans and animals.

While near-water activities such as picnicking, biking and hiking are safe, please take the following precautions to help protect yourself and your loved ones (including pets):

  • Avoid bodily contact with the water. If you come in contact with water containing blue-green algae, shower immediately with fresh water.
  • Keep dogs on leashes and do not let them swim in or drink from the lake. If you suspect your dog has been exposed to blue-green algae, contact a vet immediately.

Signs have been posted around the lake and water tests will be conducted weekly. The signs will be removed when the tests come back negative.

These lakes are a part of Laguna Creek and are a popular destination for Elk Grove residents and a natural habitat for a wide variety of wildlife. Swimming, boating and allowing dogs in the Camden lakes is never permitted per Cosumnes CSD park rules.

For more information on harmful algae, go to

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