By order of Bosman Watermanagement B.V. Aqua Vision carried out current measurements at a sewage treatment plant in Eindhoven, The Netherlands. The measurements are done by means of an ADCP at a float. The advantage of an ADCP of Teledyne RD Instruments is that one of the four beams may reflect to the steep walls of the basin. Reliable current information can be gained from the remaining three beams.