Zwingen Birs

Various measures were planned and carried out on the Birs in Zwingen to enable fish passage and for flood protection: Lowering of the riverbed, reactivation of the former moat at Zwingen Castle (flood relief), flood embankment, replacement of a 3.5 m high drop with a block ramp and underpinning of the bank protection.

Tiefbauamt Kanton Basel-Land

Hydraulic engineering

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Your contact person

Michael Aggeler
Head of the Water Department
+41 61 406 13 11 | bWljaGFlbC5hZ2dlbGVyQGdydW5lci5jaA==

Gruner Böhringer AG
Mühlegasse 10
CH-4104 Oberwil

References on the subject

Fish migration
Revitalization Wiese
Partial expansion of Bünz, Wohlen (AG)
Retention basin fire
Expansion Dorfbach