Hunters Should Take Caution Near Water Bodies With Blue-Green Algae

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(KNOX) – With waterfowl and upland bird hunting seasons underway in the state, the North Dakota Department of Environmental Quality is reminding hunters to be aware of potentially toxic blue-green algae in wetlands and lakes. These algae can produce cyanotoxins, which, if ingested, can cause serious health problems for both humans and dogs.

People exposed to cyanotoxins may experience diarrhea, vomiting, dizziness, numbness of the lips, tingling in fingers and toes, skin rashes, hives, or blisters. In dogs, cyanotoxins have been linked to vomiting, seizures, skin irritation, and even death. There are currently no known antidotes for these toxins.

Know it. Blue-green algae can take many different forms. Watch for water that looks like grass clippings floating on the surface, clumps or puffballs, or green cottage cheese. Affected water may also resemble spilled green paint or pea soup and is often bright green or turquoise in color.

Avoid it.

• Water body statuses are posted on our Harmful Algal Blooms (HABs) Story Map from May 1 through Dec. 31 at tinyurl.com/WMP-HABS.
• Do not let pets swim in or drink from waters suspected of containing blue-green algae. Carry plenty of fresh water for you and your hunting dog.
• If you or your hunting dog accidentally swim in water that might have an algal bloom, rinse off with fresh water as soon as possible.