Zurich authorities warn:
“Blue-green algae are present in all of our lakes and rivers. In warm, calm water, they proliferate rapidly and rise to the water’s surface. Then they become a problem – but they also become visible. Therefore, if the water is murky, streaks or foam form on the surface, caution is advised, and it is not recommended to bathe in or let dogs near or in the water at these locations. Blue-green algae can grow in open water and in the shore area on water plants or stones. Recently, blue-green algae have been appearing year-round and not just in late summer.”
Kommunikation Gesundheitsdirektion
Blue-green algae can be deadly for #dogs. Dogs often die because they swallow or drink water contaminated with blue-green algae while playing on the shore or swimming. Caution is also advised when encountering algae accumulations washed up on the shore, as swallowing even small amounts can be hazardous to dogs’ health. Likewise, there may be a risk for dogs if they walk through murky water contaminated with blue-green algae and then lick their paws or fur dry. Therefore, it is important to always be vigilant when walking dogs by the water.
Further information in German can be found here.
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