As the municipality of Thalwil has informed, work to protect the lower Sihl valley and the city of Zurich from extreme flooding of the Sihl will begin in March 2022.
In order to protect the lower Sihl valley and the city of Zurich from extreme flooding of the Sihl, the canton of Zurich is building a relief tunnel from the Sihl near Langnau am Albis to Lake Zurich near Thalwil. To mark the official start of construction in March 2022, an information event will take place on March 18, 2022 from 7 p.m. to around 8:15 p.m.
The information event is being held by the Building Department of the Canton of Zurich, Office for Waste, Water, Energy and Air, in the Schweikrüti multi-purpose room in Gattikon. The event can also be followed online, via live stream and questions can be submitted via chat.
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