Maintaining a high level of drinking water quality has been a top priority in Germany for decades, and almost all water supply utilities deliver this on a reliable basis. But another factor plays an equally important role in water supply: pressure. While water pressure drops and strong fluctuations are certainly a nuisance, they can also cause damage to appliances and equipment in households and industry. In order to avoid this, many water supply utilities have to adapt their pumping equipment to changing demand levels.