Underdrains for LIDs, SuDs or WSuDs in #SWMM5
The reason for this blog: The following is an excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here
Underdrains are used in the following LID Controls
6.5.1 Underdrains
Underdrains are either recommended or required when the natural … Read the rest