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State of New Jersey-Department of Environmental Protection-Division of Water Monitoring and Standards
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  Bureau of Freshwater & Biological Monitoring


Report a HAB

Advisories below may be used by government and non-government entities to alert the public for risk.

  • Advisory language is based on the recommended NJ Action Level and Health Advisory Guidelines for Recreational Exposure.
  • Intended to be protective for a range of exposures that are most likely to occur
  • When posting advisories, it is recommended to err on the side of caution to avoid unnecessary risk to the public.
  • If necessary, it is suggested that the language be tailored to the specific HAB occurrence and waterbody use.

Click any of the images for printable versions of the advisory language below.

Warning - Avoid Contact or Ingestion (Humans and Animals)

A suspected Harmful Algal Bloom is present which can be harmful to humans and animals. People, pets and livestock should avoid contact and swallowing the water. Avoid swimming, wading, and watersports. Fish caught in this waterbody should not be eaten.

8.5" x 11"

11" x 17"


Danger/ High Risk - No Contact or Ingestion (Humans and Animals)

A confirmed Harmful Algal Bloom is present with levels quantified at or above the NJ Health Advisory Guidance. There should be no contact with the water including, but not limited to, swimming, wading, and watersports. Fish caught in this waterbody should not be eaten. Pets and livestock should not contact or swallow the water.

8.5" x 11"

11" x 17"

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Last Updated: September 21, 2017