MINNEAPOLIS (WCCO) — Edina officials are urging residents – and their pets — to avoid contact with Mirror Lake water after high levels of blue-green algae was detected.

According to city officials, the Nine Mile Creek Watershed District detected high blue-green algae levels in the lake, which they say could produce algal toxins dangerous to humans and animals.

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“High blue-green algae levels were measured in recent samples by the Nine Mile Creek Watershed District. High Microcystin levels are typical with excess growth of blue-green algae,” the City of Edina said in a statement.

The latest data indicates the algae levels present a public health risk.

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Microcystin exposure can cause harm to the liver and can be harmful to kidneys. In extreme cases, it can cause death, officials said.

The Nine Mile Creek Watershed District will continue monitoring changes to blue-green algae levels in the lake.

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Mirror Lake is located near Interlachen Boulevard and Blake Road Street.