Tag Archive : How SWMM5 uses zero Subcatchment Slope in its Runoff Calculations

This is just a note on how SWMM5 uses zero Subcatchment Slope in its Runoff Calculations:
1. If the slope is zero then the engine will NOT calculate Runoff as the WCON parameter is zero (Bullet 4 in Figure 1)
2. If you do want Runoff from all of your
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