MINNEAPOLIS (WCCO) — Minneapolis officials say the algae bloom on Cedar Lake is likely of the harmful blue-green variety, capable of making humans and pets sick.

The Minneapolis Park and Recreation Board said Friday that despite being called blue-green algae, the bacteria can actually have a vibrant rust color and may look like spilled paint.

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People are advised not to go into the lake, located just west of Lake of the Isles, and not let their pets swim or drink the water.

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(credit: John Cardwell)

Symptoms of sickness associated with blue-green algae include diarrhea, sore throat, vomiting, and headache. They can present just hours after exposure.

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For more information on blue-green algae, click here.