The Kaltehofe Elbe Island Waterworks Foundation is committed to preserving the former waterworks on the Kaltehofe Elbe Island in Hamburg-Rothenburgsort. The Foundation includes a museum, a filtration system from the end of the 19th century representing today an industrial monument, and a nature park with. The Kaltehofe Elbe Island Waterworks is an Individual Site of the European Route of Industrial Heritage.