Tool: Epanet MSX


EPANET is used in homeland security research to model contamination threats to water systems. Historically, EPANET has been limited to tracking the dynamics of a single chemical transported through a network of pipes and storage tanks, such as a fluoride used in a tracer study or free chlorine used in a disinfection decay study. Recently, the NHSRC released a new extension to EPANET called EPANET-MSX (Multi-Species eXtension) that allows for the consideration of multiple interacting species in the bulk flow and on the pipe walls. This capability has been incorporated into both a stand-alone executable program as well as a toolkit library of functions that programmers can use to build customized applications.


Shang, F., J. G. Uber, and L. Rossman




Operating System

Operating systems, which the tool supports. Select several options by holding down the control key (in Windows).

Tool capabilities

The following simulation capabilities are supported by Epanet MSX. The blue ones are supported by this platform

License type

The general license type