An easy test for SWMM5 versions using the Status Report Message for Unrecognized Keywords in past SWMM5 GUI
SWMM 5.1.012 reading SWMM 5.1.013 Inp Files
SWMM 5.1.011 reading SWMM 5.1.013 Inp Files
SWMM 5.1.010 reading SWMM 5.1.013 Inp Files
SWMM 5.1.009 reading SWMM 5.1.013 Inp Files
SWMM 5.1.008 reading SWMM 5.1.013 Inp Files
SWMM 5.1.007 reading SWMM 5.1.013 Inp Files
SWMM 5.1.006 reading SWMM 5.1.013 Inp Files
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