ChineseKoreanInstallation instructions
Known issues
Download other versions
Demo license 2018-2020


IMPORTANT NOTE: If you want to try Sumo16 without buying a license, please download Demo license 2018-2020 too and apply it as a license. The built-in demo license has been expired.

Why choose Sumo?

The Sumo© full featured Wastewater Process Simulator

sumoscreenshot– Modern design – no more navigating endless drop-down menus
– Open model source code!
– Fast runs
– Complete model library calibrated by industry leaders
– Virtually unlimited plant configurations



Sumo 19 beta for developers
Known issues with Sumo19 beta