What is the minimum depth in a link of #SWMM5 ?

Introduction – the reason for these series of blogs are as an expanded view of the input, engine and output of #SWMM5 It is a companion to the EPA Documentation which I describe here:
I have noticed based on email questions and postings to the SWMM List Sever (a great resource hosted by CHI, Inc.) that many SWMM 5 users do not know about the really outstanding documentation on SWMM 5 posted on the EPA Website https://www.epa.gov/water-research/storm-water-management-model-swmm It consists of two now and in the near future three volumes on Hydrology, Water Quality, LID's and SuDS and Hydraulics. The documentation is fantastically complete with detailed background on the theory, process parameters and completely worked out examples for all of the processes in SWMM5. It is truly an outstanding aid to modelers and modellers worldwide. It would benefit you to read them (if you have not already downloaded the PDF files)
What it is the minimum depth in a link of SWMM5 ?   EPA SWMM5 uses internal units of feet or inches for rainfall.   The minimum depth is FUDGE in the Code and has the value of 0.001 feet or ft^2.  You can see the effect in the output file if you look at the depth, volume or area values.






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