How is the Time of Flooding Calculated in SWMM 5? Posted on August 8, 2013December 23, 2015 By Storm/Sewer Modeler with a 45 yr association with EPASWMM. Now at Autodesk supporting InfoWorks ICM_SWMM Founder http://robertdickinson.org, Chair/TAC at http://CIMM.ORG No Comments on How is the Time of Flooding Calculated in SWMM 5? The time flooding in SWMM 5 is pretty simple: 1. It is the sum of all time steps in which excess flow is coming out of the top of the manhole or 2. If you are using the ponding option then it is the time the surface pond has more than zero depth. via Blogger http://www.swmm5.net/2013/08/how-is-time-of-flooding-calculated-in.html Share this:ShareTwitterLinkedInEmailSkypePrintFacebook Related #INFOSWMM, H2OMapSWMM (retired), InfoSWMM, SWMM5 Tags:How is the Time of Flooding Calculated in SWMM 5?