From AQUIS web page:

AQUIS is one of the most advanced and powerful water network simulation platforms for off-line, on-line and real-time applications, enabling the end-user to improve system design and operation. In historical and real-time mode, where AQUIS is integrated with the SCADA system, water companies around the world are using AQUIS in their day to day pro-active operational management of their assets. The effects of planned operational changes can be analysed in order to minimise the impact of shortcomings in delivery and quality.

AQUIS homepage