H2ONET
From H2ONET web page:
H2ONET Analyzer is the most powerful and complete water distribution modeling, analysis and design software. It performs fast, reliable, and comprehensive hydraulic and dynamic water quality modeling, energy management, real-time simulation and control, fire flow analysis, unidirectional flushing, and with automated on-line SCADA interface. The program can also be effectively used to analyze pressurized sewer collection systems.
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