Germany
WSA Elbe-Nordsee is responsible for the operation, maintenance, and new construction of federal waterways. Its main task is to ensure a safe and smooth shipping traffic. The authority covers an area from the mouth of the Elbe in Hamburg to the Danish border via the North Sea, including the Eider Canal near Tönning. Founded through the merger of offices in Hamburg, Cuxhaven, and Tönning, WSA Elbe-Nordsee operates from three locations: Cuxhaven, Hamburg, and Tönning. The organization manages the Eider Spillway, a structure with five 40-meter openings built between 1967 and 1973 to protect against storm surges and ensure shipping on the Eider Canal.
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