By order of Nord Stream, Aqua Vision performed environmental monitoring work during dredging activities at the gas pipe line location in German waters southeast of the island of Rügen. Our ViSea Plume Detection Toolbox was used to measure the spread of sediment with an ADCP at the site of a Back-Hoe dredger and a Trailing Suction Hopper Dredger. We made use of the vessel MV Supplier of Northern Offshore Services.