When walking your dog, please be aware of the presence of blue-green algae in lakes and ponds. Algae can also accumulate in lake drains and dammed river sections! Blue-green algae are not actually algae, but cyanobacteria. A high concentration of nutrients and plenty of sunlight are the perfect conditions for blue-green algae. For this reason, blue-green algae can develop explosively in lakes and bodies of water. They can be yellow, green, brown or even red in color.
Here are the recommendations for dealing with blue-green algae from the Canton of Zurich Health Department:
Blue-green algae can be hazardous to health in increased concentrations!
- If the algae density in knee-deep water is so high that you can no longer see your feet, do not swim.
   no longer visible, do not swim
- Avoid conspicuously colored water surfaces with streaks and flakes
- People with sensitive skin, including small children, should only bathe in clear water.
   water
- Avoid swallowing water
- Always shower well and dry thoroughly after bathing
- Playing and exercising with dogs should be restricted to suitable shore areas with
   clear water
- Do not allow dogs to drink colored water and wash their fur if they come into contact with it,
   because bacteria can be ingested through licking

 

The information sheet can be found here:

 

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